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Cambridge Structural Database
Content
Description
Contact
Research centerCambridge Crystallographic Data Centre
Access
Data format.cif
Website
Web service URLwww.ccdc.cam.ac.uk/structures
Tools
WebWebCSD
Standalone
  • CSD System
  • CSD (the database)
  • ConQuest
  • IsoStar
  • Mogul
  • GOLD
  • CSD-CrossMiner

The Cambridge Structural Database (CSD) is both a repository and a validated and curated resource for the three-dimensional structural data of molecules generally containing at least carbon and hydrogen, comprising a wide range of organic, metal-organic and organometallic molecules. The specific entries are complementary to the other crystallographic databases such as the Protein Data Bank (PDB), Inorganic Crystal Structure Database and International Centre for Diffraction Data. The data, typically obtained by X-ray crystallography and less frequently by electron diffraction or neutron diffraction, and submitted by crystallographers and chemists from around the world, are freely accessible (as deposited by authors) on the Internet via the CSD's parent organization's website (CCDC, Repository[1]). The CSD is overseen by the not-for-profit incorporated company called the Cambridge Crystallographic Data Centre, CCDC.

Csd
The inside of the CCDC headquarters Cambridge, UK

The.csd extension also represents the Thomson Reuters Creative Solutions Data (.csd) file type.A.csd file is a client data backup created in UltraTax CS or FixedAssets CS that are parts of Thomson Reuters' professional accounting and tax management suite named Creative Solutions, CS. Configuration Section Designer 2.0.0 R2 A Visual Studio add-in that allows you to graphically design.NET Configuration Sections and automatically generates all the required code and a schema definition (XSD) for them. CSD reader is an integrated viewer product for PC that is mainly created to support all CSD file types created by CSD products such as HTM, EXE, and CSD Type. It is developed and distributed freely by Dream to Reality to support CSD document utilization at PC easily and conveniently. Can't open a.csd file? Open Control Panel Control Panel Home Default Programs Set Associations. Select a file type in the list and click Change Program.

The CSD is a widely used repository for small-molecule organic and metal-organic crystal structures for scientists. Structures deposited with Cambridge Crystallographic Data Centre (CCDC) are publicly available for download at the point of publication or at consent from the depositor. They are also scientifically enriched and included in the database used by software offered by the centre. Targeted subsets of the CSD are also freely available to support teaching and other activities.[2]

History[edit]

The CCDC grew out of the activities of the crystallography group led by Olga Kennard OBE FRS in the Department of Organic, Inorganic and Theoretical Chemistry of the University of Cambridge. From 1965, the group began to collect published bibliographic, chemical and crystal structure data for all small molecules studied by X-ray or neutron diffraction. With the rapid developments in computing taking place at this time, this collection was encoded in electronic form and became known as the Cambridge Structural Database (CSD).

The CSD was one of the first numerical scientific databases to begin operations anywhere in the world, and received academic grants from the UK Office for Scientific and Technical Information and then from the UK Science and Engineering Research Council. These funds, together with subventions from National Affiliated Centres, enabled the development of the CSD and its associated software during the 1970s and 1980s. The first releases of the CSD System to the United States, Italy and Japan occurred in the early 1970s. By the early 1980s the CSD System was being distributed in more than 30 countries. As of 2014, the CSD System was distributed to academics in 70 countries.

During the 1980s, interest in the CSD System from pharmaceutical and agrochemicals companies increased significantly. This led to the establishment of the Cambridge Crystallographic Data Centre (CCDC) as an independent company in 1987, with the legal status of a non-profit charitable institution, and with its operations overseen by an international board of governors. The CCDC moved into purpose-built premises on the site of the University Department of Chemistry in 1992.

Kennard retired as Director in 1997 and was succeeded by David Hartley (1997-2002) and Frank Allen (2002-2008). Colin Groom was appointed as executive director from 1 October 2008[3] to September 2017.[4] And most recently, Juergen Harter was appointed CEO in June 2018.[5]

CCDC software products diversified to the use of crystallographic data in applications in the life sciences and crystallography. Much of this software development and marketing is carried out by CCDC Software Limited (founded in 1998), a wholly owned subsidiary which covenants all of its profits back to the CCDC.

Although the CCDC is a self-administering organization, it retains close links with the University of Cambridge, and is a University Partner Institution that is qualified to train postgraduate students for higher degrees (PhD, MPhil).

The CCDC established US applications and support operations in the USA in October 2013,[6][7] initially at Rutgers, the State University of New Jersey, where it is co-located with the RCSB Protein Data Bank

Contents[edit]

One Millionth Structure Added to CSD, CSD ID: XOPCAJ

The CSD is updated with about 50,000 new structures each year,[8] and with improvements to existing entries. Entries (structures) in the repository are released for public access as soon as the corresponding entry has appeared in the peer-reviewed scientific literature. Meanwhile, data can also be deposited and published directly through the CSD without an accompanying scientific article as what is known as a CSD Communication.

Periodically, general statistics about the breadth of CSD holdings are reported, for example the January 2014 report.[9] As of January 2019, the summary statistics are as follows:[10]

Querystructures% of CSD
Total # of structures995,907100.0
# of different compounds900,984-
# of literature sources2,004-
Organic structures431,03743.5
Transition metal present478,13848.2
alkali or alkaline earth metal present48,0564.8
main group metal present101,94810.3
3D coordinates present937,80994.6
Error-free coordinates926,42298.81
Neutron studies2,1420.2
Powder diffraction studies4,7610.5
Low/high temp. studies503,36850.8
Absolute configuration determined28,8342.9
Disorder present in structure256,01925.8
Polymorphic structures29,8173.0
R-factor < 0.100935,41994.4
R-factor < 0.075845,70885.3
R-factor < 0.050553,04255.8
R-factor < 0.030121,80612.3
No. of atoms with 3D coordinates85,791,623-

As of January 2019, the top 25 scientific journals in terms of publication of structures in the CSD repository were:[11]

1. 73,070 structures were reported in Inorg. Chem.
2. 62,072 structures were reported in Dalton & J. Chem. Soc., Dalton Trans.
3. 54,160 structures were reported in Organometallics
4. 48,967 structures were reported in J. Am. Chem. Soc.
5. 42,422 structures were reported in Acta Crystallogr. Sect. E
6. 32,610 structures were reported in Chem. Eur. J.
7. 29,790 structures were reported in J. Organomet. Chem.
8. 29,640 structures were reported in Angew. Chem. Int. Ed.
9. 28,682 structures were reported in Inorg. Chim. Acta
10. 28,351 structures were reported in Chem. Commun. & J. Chem. Soc.
11. 27,328 structures were reported in CSD Communications
12. 26,774 structures were reported in Acta Crystallogr. Sect. C
13. 26,734 structures were reported in Polyhedron
14. 24,045 structures were reported in Eur. J. Inorg. Chem.
15. 23,483 structures were reported in J. Org. Chem.
16. 22,286 structures were reported in Cryst. Growth Des.
17. 22,011 structures were reported in CrystEngComm
18. 15,985 structures were reported in Organic Letters
19. 15,424 structures were reported in Z. Anorg. Allg. Chem.
20. 14,864 structures were reported in Acta Crystallogr. Sect. B
21. 13,909 structures were reported in Tetrahedron8,597 structures were reported as Private Communication to the CSD
22. 12,734 structures were reported in J. Mol. Struct.
23. 11,234 structures were reported in Tetrahedron Lett.
24. 9,150 structures were reported in Eur. J. Org. Chem.
25. 8,789 structures were reported in New Journal of Chemistry


These 25 journals account for 704,541 of the 996,193 or 70.7% of the structures in the CSD.

These data show that most structures are determined by X-ray diffraction, with less than 1% of structures being determined by neutron diffraction or powder diffraction. The number of error-free coordinates were taken as a percentage of structures for which 3D coordinates are present in the CSD.

The significance of the structure factor files, mentioned above, is that, for CSD structures determined by X-ray diffraction that have a structure file, a crystallographer can verify the interpretation of the observed measurements.


Growth trend[edit]

Historically, the number of structures in the CSD has grown at an approximately exponential rate passing the 25,000 structures milestone in 1977, the 50,000 structures milestone in 1983, the 125,000 structures milestone in 1992, the 250,000 structures milestone in 2001, the 500,000 structures milestone in 2009,[12][13][14]and the 1,000,000 structures milestone on June 8, 2019.[15] The one millionth structure added to CSD is the crystal structure of 1-(7,9-diacetyl-11-methyl-6H-azepino[1,2-a]indol-6-yl)propan-2-one.

Growth Trend of Structure in CSD from 1965 - 2018[11]
Number of published structures per year
Year# publishedTotal
201853429974,653
201755031921,224
201654975866,193
201553610811,218
201450759757,608
201348025706,849
201245199661,121
201143882615,922
201041240572,040
200940627530,800
200836802490,173
200736569453,371
200634713416,802
200531733382,089
200427988350,356
200326287322,368
200224306296,081
200121781271,775
200019998249,994
199918780229,996
199817289211,216
199715896193,927
199615487178,031
199513001162,544
199412290149,543
199312032137,253
199210691125,221
19919941114,530
19908935104,589
1989775095,654
1988764487,904
1987747280,260
1986687372,788
1985691165,915
1984651159,004
1983525052,493
1982523347,243
1981466642,010
1980425237,344
1979387633,092
1978341529,216
1977309225,801
1976273522,709
1975217119,974
1974214217,803
1973199115,661
1972196913,670
1971154811,701
1970126110,153
196911308,892
19689757,762
19679366,787
19666835,851
19656565,168
1923-196445124,512

Note: data for 1923-1964 are aggregated together in the last line of the table.

File format[edit]

3D printed model of Benzoic Acid, taken from a crystal structure determination, created using coordinates from the Cambridge Structural Database, and via the CCDC program Mercury. The top model shows a single molecule of benzoic acid. The bottom model shows a hydrogen-bonded dimer.

The primary file format for CSD structure deposition, adopted around 1991, is the 'Crystallographic Information file' format, CIF.[16]

The deposited CSD files can be downloaded in the CIF format. Iskysoft data recovery license code. The validated and curated CSD files can be exported in a wide range of formats, including CIF, MOL, Mol2, PDB, SHELX and XMol, using tools in the CSD System.

The CCDC uses two different codes to distinguish between the deposited dataset and the curated CSD entry. For example, one specific ‘CSD Communication' of an organic molecule was deposited with the CCDC and assigned the deposition number 'CCDC-991327.' This allows free public access to the data as deposited. From the deposited data, selected information is extracted to prepare the validated and curated CSD entry which was assigned the refcode 'MITGUT'. As a part of the curation process, CCDC also applies an algorithm, DeCIFer, to help the editors assign chemistry to structures when those representations (e.g. bond types and charge assignments etc.) are missing from the original CIF files submitted.[17] The validated and curated entry is included in the CSD System and WebCSD distributions, with availability restricted to those making appropriate contributions.

Viewing the data[edit]

3D printed model of 1-methyl-2,3,4,5-tetrakis((trimethylsilyl)ethynyl)-1H-pyrrole structure. CSD Identifier: XURZAN

Each data set in CSD can be openly viewed and retrieved using the free Access Structure service. Through this web-browser based service, users can view the data set in 2D and 3D, obtain some basic information about the structure, and download the deposited data set. More advanced search functions and curated information are available through the subscription based CSD system.

Besides using the CSD system, the structure files may be viewed using one of several open source computer programs such as Jmol. Some other free, but not open source programs include MDL Chime, Pymol, UCSF Chimera, Rasmol, WINGX,[18] Crackserialcodes. the CCDC provides a free version of its visualization program Mercury.

Starting from 2015, Mercury from CCDC also provides the functionality to generate 3D print ready file from structures in CSD.[19]

See also[edit]

References[edit]

  1. ^'CCDC CIF Depository Request Form'. Cambridge Crystallographic Data Centre. Retrieved 2014-09-16.
  2. ^'CCDC Homepage'. Cambridge Crystallographic Data Centre. Retrieved 2014-09-16.
  3. ^Groom C, Allen F (July 2009). 'CCDC well groomed: an interview with Colin Groom, Executive Director, Cambridge Crystallographic Data Centre, and Frank Allen, Emeritus Fellow'. Journal of Computer-Aided Molecular Design. 23 (7): 391–4. Bibcode:2009JCAMD.23.391W. doi:10.1007/s10822-009-9272-5. PMID19421719.
  4. ^'Announcement from the Chair, on behalf of Trustees'. The Cambridge Crystallographic Data Centre. September 11, 2017. Retrieved 2019-05-15.
  5. ^'The CCDC welcomes Jürgen Harter as CEO'. The Cambridge Crystallographic Data Centre (CCDC). June 11, 2018. Retrieved 2019-05-15.
  6. ^'CCDC opens US operations'. The Cambridge Crystallographic Data Centre (CCDC). October 30, 2013. Retrieved 2019-05-15.
  7. ^'The Cambridge Crystallographic Data Centre Establishes U.S. Operations in New Partnership with Rutgers' Center for Integrative Proteomics Research'. Rutgers Office of Research and Economic Development. Retrieved May 15, 2019.
  8. ^Bruno IJ, Groom CR (October 2014). 'A crystallographic perspective on sharing data and knowledge'. Journal of Computer-Aided Molecular Design. 28 (10): 1015–22. Bibcode:2014JCAMD.28.1015B. doi:10.1007/s10822-014-9780-9. PMC4196029. PMID25091065.
  9. ^'CSD Entries: Summary Statistics'(PDF). Cambridge Crystallographic Data Centre. Archived from the original(PDF) on 2014-06-11. Retrieved 2014-09-16.
  10. ^'CSD Entries: Summary Statistics'(PDF). Cambridge Structural Database. January 1, 2019. Retrieved May 15, 2019.
  11. ^ ab'CSD Journal Statistics'(PDF). Cambridge Structural Database. January 1, 2019. Retrieved May 16, 2019.
  12. ^Groom CR, Allen FH (January 2014). 'The Cambridge Structural Database in retrospect and prospect'. Angewandte Chemie. 53 (3): 662–71. doi:10.1002/anie.201306438. PMID24382699.
  13. ^'Growth of the Cambridge Structural Database (CSD) since 1970'. CCDC. Retrieved 2014-09-16.
  14. ^'CSD Statistics'. The Cambridge Crystallographic Data Centre (CCDC). Retrieved 2019-05-17.
  15. ^Robinson, Philip; Withers, Neil; Pink, Chris; Valsler, Ben. 'The Cambridge Structural Database hits one million structures'. Chemistry World. Retrieved 2019-06-07.
  16. ^Hall SR, Allen FH, Brown ID (1991). 'The Crystallographic Information File (CIF): a new standard archive file for crystallography'. Acta Crystallographica. A47 (6): 655–685. doi:10.1107/S010876739101067X. Archived from the original on 2006-11-27. Retrieved 2014-09-17.
  17. ^Bruno IJ, Groom CR (October 2014). 'A crystallographic perspective on sharing data and knowledge'. Journal of Computer-Aided Molecular Design. 28 (10): 1015–22. Bibcode:2014JCAMD.28.1015B. doi:10.1007/s10822-014-9780-9. PMC4196029. PMID25091065.
  18. ^Farrugia LJ (1 August 1999). 'WinGX suite for small-molecule single-crystal crystallography'. Journal of Applied Crystallography. 32 (4): 837–838. doi:10.1107/S0021889899006020.
  19. ^'3D Printing: Easy as 1, 2, 3!'. The Cambridge Crystallographic Data Centre (CCDC). August 19, 2015. Retrieved 2019-05-18.

External links[edit]

  • The Cambridge Crystallographic Data Centre (CCDC) — parent site to CSD
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Cambridge_Structural_Database&oldid=984344573'

Many people share .csd files without attaching instructions on how to use it. Yet it isn't evident for everyone which program a .csd file can be edited, converted or printed with. On this page, we try to provide assistance for handling .csd files.

Csd File Converter

2 filename extension(s) found in our database.

.csd - Compact Shared Document

The CSD document files are related to Dream to Reality CSD Reader. CSD file is a Compact Shared Document. CSD is electronic document format technology based products and services. CSD converts existing electronic document and content to a single CSD file format to allow view the converted file on various hardware and software platforms. The Dream to Reality CSD Reader seems to be no longer supported.

View, comment, download and edit skill Minecraft skins. When attacking with unarmed, no Minecraft XP is awarded, no MCMMO exp is awarded, and the 1 block knockback typical for attacks does not happen. (The problem with the 1 block knockback is also. Minecraft Shotter, You kill someone with it. Other Skills Acrobatics. Overview: Reduces fall damage and improves damage dodge chance, making it useful for those who PvP or explore a lot. Abilities: Roll. Unarmed is a combat skill which allows players to use their fists as if they were a proper weapon. Minecraft unarmed skill.

Application:
Dream to Reality CSD Reader
Category:
Document files
Mime-type:
application/octet-stream
Magic:
- / -
Aliases:
-
Compact Shared Document related extensions:
.gom
gOpenMol Model
.cwn
Cifraweb Editor Notation Document
.rgo
RepliGo Document
.3tf
Crystal Reports Chart Template
.cg3
Cabri 3D Document
.bcf
Belltech Business Card Designer Pro Document

.csd - Casio WK-3000 User Scale Memory

The CSD configuration files are related to Casio Data Manager. CSD file is a Casio WK-3000 User Scale Memory. The Casio WK-3000 is a portable music keyboard, manufactured by Casio.

Application:
Casio Data Manager
Category:
Configuration files
Mime-type:
application/octet-stream
Magic:
- / -
Aliases:
-
Casio WK-3000 User Scale Memory related extensions:
.gdws
GUI Design Studio Workspace Settings
.shi
Simple Help Editor Settings
.tlp
Tunnelier Profile
.wst
WinSSHD Settings
.tiw
Bentley InRoads Wizard Settings Data
.brg
ProjectWise User Settings

Naturally, other applications may also use the .csd file extension. Even harmful programs can create .csd files. Be especially cautious with .csd files coming from an unknown source!

Can't open a .csd file?

Csd
The inside of the CCDC headquarters Cambridge, UK

The.csd extension also represents the Thomson Reuters Creative Solutions Data (.csd) file type.A.csd file is a client data backup created in UltraTax CS or FixedAssets CS that are parts of Thomson Reuters' professional accounting and tax management suite named Creative Solutions, CS. Configuration Section Designer 2.0.0 R2 A Visual Studio add-in that allows you to graphically design.NET Configuration Sections and automatically generates all the required code and a schema definition (XSD) for them. CSD reader is an integrated viewer product for PC that is mainly created to support all CSD file types created by CSD products such as HTM, EXE, and CSD Type. It is developed and distributed freely by Dream to Reality to support CSD document utilization at PC easily and conveniently. Can't open a.csd file? Open Control Panel Control Panel Home Default Programs Set Associations. Select a file type in the list and click Change Program.

The CSD is a widely used repository for small-molecule organic and metal-organic crystal structures for scientists. Structures deposited with Cambridge Crystallographic Data Centre (CCDC) are publicly available for download at the point of publication or at consent from the depositor. They are also scientifically enriched and included in the database used by software offered by the centre. Targeted subsets of the CSD are also freely available to support teaching and other activities.[2]

History[edit]

The CCDC grew out of the activities of the crystallography group led by Olga Kennard OBE FRS in the Department of Organic, Inorganic and Theoretical Chemistry of the University of Cambridge. From 1965, the group began to collect published bibliographic, chemical and crystal structure data for all small molecules studied by X-ray or neutron diffraction. With the rapid developments in computing taking place at this time, this collection was encoded in electronic form and became known as the Cambridge Structural Database (CSD).

The CSD was one of the first numerical scientific databases to begin operations anywhere in the world, and received academic grants from the UK Office for Scientific and Technical Information and then from the UK Science and Engineering Research Council. These funds, together with subventions from National Affiliated Centres, enabled the development of the CSD and its associated software during the 1970s and 1980s. The first releases of the CSD System to the United States, Italy and Japan occurred in the early 1970s. By the early 1980s the CSD System was being distributed in more than 30 countries. As of 2014, the CSD System was distributed to academics in 70 countries.

During the 1980s, interest in the CSD System from pharmaceutical and agrochemicals companies increased significantly. This led to the establishment of the Cambridge Crystallographic Data Centre (CCDC) as an independent company in 1987, with the legal status of a non-profit charitable institution, and with its operations overseen by an international board of governors. The CCDC moved into purpose-built premises on the site of the University Department of Chemistry in 1992.

Kennard retired as Director in 1997 and was succeeded by David Hartley (1997-2002) and Frank Allen (2002-2008). Colin Groom was appointed as executive director from 1 October 2008[3] to September 2017.[4] And most recently, Juergen Harter was appointed CEO in June 2018.[5]

CCDC software products diversified to the use of crystallographic data in applications in the life sciences and crystallography. Much of this software development and marketing is carried out by CCDC Software Limited (founded in 1998), a wholly owned subsidiary which covenants all of its profits back to the CCDC.

Although the CCDC is a self-administering organization, it retains close links with the University of Cambridge, and is a University Partner Institution that is qualified to train postgraduate students for higher degrees (PhD, MPhil).

The CCDC established US applications and support operations in the USA in October 2013,[6][7] initially at Rutgers, the State University of New Jersey, where it is co-located with the RCSB Protein Data Bank

Contents[edit]

One Millionth Structure Added to CSD, CSD ID: XOPCAJ

The CSD is updated with about 50,000 new structures each year,[8] and with improvements to existing entries. Entries (structures) in the repository are released for public access as soon as the corresponding entry has appeared in the peer-reviewed scientific literature. Meanwhile, data can also be deposited and published directly through the CSD without an accompanying scientific article as what is known as a CSD Communication.

Periodically, general statistics about the breadth of CSD holdings are reported, for example the January 2014 report.[9] As of January 2019, the summary statistics are as follows:[10]

Querystructures% of CSD
Total # of structures995,907100.0
# of different compounds900,984-
# of literature sources2,004-
Organic structures431,03743.5
Transition metal present478,13848.2
alkali or alkaline earth metal present48,0564.8
main group metal present101,94810.3
3D coordinates present937,80994.6
Error-free coordinates926,42298.81
Neutron studies2,1420.2
Powder diffraction studies4,7610.5
Low/high temp. studies503,36850.8
Absolute configuration determined28,8342.9
Disorder present in structure256,01925.8
Polymorphic structures29,8173.0
R-factor < 0.100935,41994.4
R-factor < 0.075845,70885.3
R-factor < 0.050553,04255.8
R-factor < 0.030121,80612.3
No. of atoms with 3D coordinates85,791,623-

As of January 2019, the top 25 scientific journals in terms of publication of structures in the CSD repository were:[11]

1. 73,070 structures were reported in Inorg. Chem.
2. 62,072 structures were reported in Dalton & J. Chem. Soc., Dalton Trans.
3. 54,160 structures were reported in Organometallics
4. 48,967 structures were reported in J. Am. Chem. Soc.
5. 42,422 structures were reported in Acta Crystallogr. Sect. E
6. 32,610 structures were reported in Chem. Eur. J.
7. 29,790 structures were reported in J. Organomet. Chem.
8. 29,640 structures were reported in Angew. Chem. Int. Ed.
9. 28,682 structures were reported in Inorg. Chim. Acta
10. 28,351 structures were reported in Chem. Commun. & J. Chem. Soc.
11. 27,328 structures were reported in CSD Communications
12. 26,774 structures were reported in Acta Crystallogr. Sect. C
13. 26,734 structures were reported in Polyhedron
14. 24,045 structures were reported in Eur. J. Inorg. Chem.
15. 23,483 structures were reported in J. Org. Chem.
16. 22,286 structures were reported in Cryst. Growth Des.
17. 22,011 structures were reported in CrystEngComm
18. 15,985 structures were reported in Organic Letters
19. 15,424 structures were reported in Z. Anorg. Allg. Chem.
20. 14,864 structures were reported in Acta Crystallogr. Sect. B
21. 13,909 structures were reported in Tetrahedron8,597 structures were reported as Private Communication to the CSD
22. 12,734 structures were reported in J. Mol. Struct.
23. 11,234 structures were reported in Tetrahedron Lett.
24. 9,150 structures were reported in Eur. J. Org. Chem.
25. 8,789 structures were reported in New Journal of Chemistry


These 25 journals account for 704,541 of the 996,193 or 70.7% of the structures in the CSD.

These data show that most structures are determined by X-ray diffraction, with less than 1% of structures being determined by neutron diffraction or powder diffraction. The number of error-free coordinates were taken as a percentage of structures for which 3D coordinates are present in the CSD.

The significance of the structure factor files, mentioned above, is that, for CSD structures determined by X-ray diffraction that have a structure file, a crystallographer can verify the interpretation of the observed measurements.


Growth trend[edit]

Historically, the number of structures in the CSD has grown at an approximately exponential rate passing the 25,000 structures milestone in 1977, the 50,000 structures milestone in 1983, the 125,000 structures milestone in 1992, the 250,000 structures milestone in 2001, the 500,000 structures milestone in 2009,[12][13][14]and the 1,000,000 structures milestone on June 8, 2019.[15] The one millionth structure added to CSD is the crystal structure of 1-(7,9-diacetyl-11-methyl-6H-azepino[1,2-a]indol-6-yl)propan-2-one.

Growth Trend of Structure in CSD from 1965 - 2018[11]
Number of published structures per year
Year# publishedTotal
201853429974,653
201755031921,224
201654975866,193
201553610811,218
201450759757,608
201348025706,849
201245199661,121
201143882615,922
201041240572,040
200940627530,800
200836802490,173
200736569453,371
200634713416,802
200531733382,089
200427988350,356
200326287322,368
200224306296,081
200121781271,775
200019998249,994
199918780229,996
199817289211,216
199715896193,927
199615487178,031
199513001162,544
199412290149,543
199312032137,253
199210691125,221
19919941114,530
19908935104,589
1989775095,654
1988764487,904
1987747280,260
1986687372,788
1985691165,915
1984651159,004
1983525052,493
1982523347,243
1981466642,010
1980425237,344
1979387633,092
1978341529,216
1977309225,801
1976273522,709
1975217119,974
1974214217,803
1973199115,661
1972196913,670
1971154811,701
1970126110,153
196911308,892
19689757,762
19679366,787
19666835,851
19656565,168
1923-196445124,512

Note: data for 1923-1964 are aggregated together in the last line of the table.

File format[edit]

3D printed model of Benzoic Acid, taken from a crystal structure determination, created using coordinates from the Cambridge Structural Database, and via the CCDC program Mercury. The top model shows a single molecule of benzoic acid. The bottom model shows a hydrogen-bonded dimer.

The primary file format for CSD structure deposition, adopted around 1991, is the 'Crystallographic Information file' format, CIF.[16]

The deposited CSD files can be downloaded in the CIF format. Iskysoft data recovery license code. The validated and curated CSD files can be exported in a wide range of formats, including CIF, MOL, Mol2, PDB, SHELX and XMol, using tools in the CSD System.

The CCDC uses two different codes to distinguish between the deposited dataset and the curated CSD entry. For example, one specific ‘CSD Communication' of an organic molecule was deposited with the CCDC and assigned the deposition number 'CCDC-991327.' This allows free public access to the data as deposited. From the deposited data, selected information is extracted to prepare the validated and curated CSD entry which was assigned the refcode 'MITGUT'. As a part of the curation process, CCDC also applies an algorithm, DeCIFer, to help the editors assign chemistry to structures when those representations (e.g. bond types and charge assignments etc.) are missing from the original CIF files submitted.[17] The validated and curated entry is included in the CSD System and WebCSD distributions, with availability restricted to those making appropriate contributions.

Viewing the data[edit]

3D printed model of 1-methyl-2,3,4,5-tetrakis((trimethylsilyl)ethynyl)-1H-pyrrole structure. CSD Identifier: XURZAN

Each data set in CSD can be openly viewed and retrieved using the free Access Structure service. Through this web-browser based service, users can view the data set in 2D and 3D, obtain some basic information about the structure, and download the deposited data set. More advanced search functions and curated information are available through the subscription based CSD system.

Besides using the CSD system, the structure files may be viewed using one of several open source computer programs such as Jmol. Some other free, but not open source programs include MDL Chime, Pymol, UCSF Chimera, Rasmol, WINGX,[18] Crackserialcodes. the CCDC provides a free version of its visualization program Mercury.

Starting from 2015, Mercury from CCDC also provides the functionality to generate 3D print ready file from structures in CSD.[19]

See also[edit]

References[edit]

  1. ^'CCDC CIF Depository Request Form'. Cambridge Crystallographic Data Centre. Retrieved 2014-09-16.
  2. ^'CCDC Homepage'. Cambridge Crystallographic Data Centre. Retrieved 2014-09-16.
  3. ^Groom C, Allen F (July 2009). 'CCDC well groomed: an interview with Colin Groom, Executive Director, Cambridge Crystallographic Data Centre, and Frank Allen, Emeritus Fellow'. Journal of Computer-Aided Molecular Design. 23 (7): 391–4. Bibcode:2009JCAMD.23.391W. doi:10.1007/s10822-009-9272-5. PMID19421719.
  4. ^'Announcement from the Chair, on behalf of Trustees'. The Cambridge Crystallographic Data Centre. September 11, 2017. Retrieved 2019-05-15.
  5. ^'The CCDC welcomes Jürgen Harter as CEO'. The Cambridge Crystallographic Data Centre (CCDC). June 11, 2018. Retrieved 2019-05-15.
  6. ^'CCDC opens US operations'. The Cambridge Crystallographic Data Centre (CCDC). October 30, 2013. Retrieved 2019-05-15.
  7. ^'The Cambridge Crystallographic Data Centre Establishes U.S. Operations in New Partnership with Rutgers' Center for Integrative Proteomics Research'. Rutgers Office of Research and Economic Development. Retrieved May 15, 2019.
  8. ^Bruno IJ, Groom CR (October 2014). 'A crystallographic perspective on sharing data and knowledge'. Journal of Computer-Aided Molecular Design. 28 (10): 1015–22. Bibcode:2014JCAMD.28.1015B. doi:10.1007/s10822-014-9780-9. PMC4196029. PMID25091065.
  9. ^'CSD Entries: Summary Statistics'(PDF). Cambridge Crystallographic Data Centre. Archived from the original(PDF) on 2014-06-11. Retrieved 2014-09-16.
  10. ^'CSD Entries: Summary Statistics'(PDF). Cambridge Structural Database. January 1, 2019. Retrieved May 15, 2019.
  11. ^ ab'CSD Journal Statistics'(PDF). Cambridge Structural Database. January 1, 2019. Retrieved May 16, 2019.
  12. ^Groom CR, Allen FH (January 2014). 'The Cambridge Structural Database in retrospect and prospect'. Angewandte Chemie. 53 (3): 662–71. doi:10.1002/anie.201306438. PMID24382699.
  13. ^'Growth of the Cambridge Structural Database (CSD) since 1970'. CCDC. Retrieved 2014-09-16.
  14. ^'CSD Statistics'. The Cambridge Crystallographic Data Centre (CCDC). Retrieved 2019-05-17.
  15. ^Robinson, Philip; Withers, Neil; Pink, Chris; Valsler, Ben. 'The Cambridge Structural Database hits one million structures'. Chemistry World. Retrieved 2019-06-07.
  16. ^Hall SR, Allen FH, Brown ID (1991). 'The Crystallographic Information File (CIF): a new standard archive file for crystallography'. Acta Crystallographica. A47 (6): 655–685. doi:10.1107/S010876739101067X. Archived from the original on 2006-11-27. Retrieved 2014-09-17.
  17. ^Bruno IJ, Groom CR (October 2014). 'A crystallographic perspective on sharing data and knowledge'. Journal of Computer-Aided Molecular Design. 28 (10): 1015–22. Bibcode:2014JCAMD.28.1015B. doi:10.1007/s10822-014-9780-9. PMC4196029. PMID25091065.
  18. ^Farrugia LJ (1 August 1999). 'WinGX suite for small-molecule single-crystal crystallography'. Journal of Applied Crystallography. 32 (4): 837–838. doi:10.1107/S0021889899006020.
  19. ^'3D Printing: Easy as 1, 2, 3!'. The Cambridge Crystallographic Data Centre (CCDC). August 19, 2015. Retrieved 2019-05-18.

External links[edit]

  • The Cambridge Crystallographic Data Centre (CCDC) — parent site to CSD
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Cambridge_Structural_Database&oldid=984344573'

Many people share .csd files without attaching instructions on how to use it. Yet it isn't evident for everyone which program a .csd file can be edited, converted or printed with. On this page, we try to provide assistance for handling .csd files.

Csd File Converter

2 filename extension(s) found in our database.

.csd - Compact Shared Document

The CSD document files are related to Dream to Reality CSD Reader. CSD file is a Compact Shared Document. CSD is electronic document format technology based products and services. CSD converts existing electronic document and content to a single CSD file format to allow view the converted file on various hardware and software platforms. The Dream to Reality CSD Reader seems to be no longer supported.

View, comment, download and edit skill Minecraft skins. When attacking with unarmed, no Minecraft XP is awarded, no MCMMO exp is awarded, and the 1 block knockback typical for attacks does not happen. (The problem with the 1 block knockback is also. Minecraft Shotter, You kill someone with it. Other Skills Acrobatics. Overview: Reduces fall damage and improves damage dodge chance, making it useful for those who PvP or explore a lot. Abilities: Roll. Unarmed is a combat skill which allows players to use their fists as if they were a proper weapon. Minecraft unarmed skill.

Application:
Dream to Reality CSD Reader
Category:
Document files
Mime-type:
application/octet-stream
Magic:
- / -
Aliases:
-
Compact Shared Document related extensions:
.gom
gOpenMol Model
.cwn
Cifraweb Editor Notation Document
.rgo
RepliGo Document
.3tf
Crystal Reports Chart Template
.cg3
Cabri 3D Document
.bcf
Belltech Business Card Designer Pro Document

.csd - Casio WK-3000 User Scale Memory

The CSD configuration files are related to Casio Data Manager. CSD file is a Casio WK-3000 User Scale Memory. The Casio WK-3000 is a portable music keyboard, manufactured by Casio.

Application:
Casio Data Manager
Category:
Configuration files
Mime-type:
application/octet-stream
Magic:
- / -
Aliases:
-
Casio WK-3000 User Scale Memory related extensions:
.gdws
GUI Design Studio Workspace Settings
.shi
Simple Help Editor Settings
.tlp
Tunnelier Profile
.wst
WinSSHD Settings
.tiw
Bentley InRoads Wizard Settings Data
.brg
ProjectWise User Settings

Naturally, other applications may also use the .csd file extension. Even harmful programs can create .csd files. Be especially cautious with .csd files coming from an unknown source!

Can't open a .csd file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:
example.csd
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

  • Open Control Panel > Control Panel Home > Default Programs > Set Associations.
  • Select a file type in the list and click Change Program.

The .csd file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ccd, cd, cds, ced, cs, csc, cse, csf, csr, css, csv, csw, csx, cwd, cxd

Is it possible that the filename extension is misspelled?

Csd Reader

Similar file extensions in our database:

.fsd
FacetWin File Set Description
.czd
CAD Zone Drawing
.sd
ArcGIS Service Definition Data
.scd
Microsoft Schedule Plus Document
.dsd
Diet Studio Data
.ssd
Stardock WindowBlinds Skin Filelist

Operating systems

Csd File Viewer

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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