2001 Cambridge, UK. On October 5th 2001, the 250,000th crystal structure
was archived to the Cambridge Structural Database (CSD), marking another milestone
in the ever-accelerating growth of the world's repository of organic and metal-organic
250,000th structure is an organic compound, the product of a photocyclization
reaction. It has been assigned the CSD reference code IBEZAQ and was one of
two structures published in Angewandte Chemie (International Edition), 2001,
40, 577-579. The paper's authors are A.G. Griesbeck, W. Kramer and J. Lex,
of the University of Ksln, Germany.
"This is a landmark achievement not only for the CSD, but also for small-molecule
crystallography worldwide." said Dr. Frank Allen, Scientific Director of the
Cambridge Crystallographic Data Centre (CCDC), the organization which compiles,
evaluates and distributes the CSD. "The CSD began in 1965 with just a few
hundred structures. We passed the 200,000 mark early in 1999, and we expect
to reach half a million structures by 2010."
The Cambridge Structural Database is a unique and fully comprehensive research
resource in molecular and supramolecular chemistry. Nearly 800 published papers
describe uses of the CSD to study chemical bonding, molecular conformations,
hydrogen bonding and other intermolecular interactions, and with particular
emphasis on molecular and drug design. The CSD has subscribers at almost 120
industrial sites and nearly 1000 academic institutions, covering 56 countries
"Expansion, maintenance, development and distribution of the CSD and its associated
software continue to be the cornerstones of the CCDC's activities," said Dr.
David Hartley, CCDC's Executive Director. "We are not only determined to maintain
the currency of the CSD itself, but also to enhance its permanent value through
the development of new scientific applications and software products ."
The CCDC is an independent non-profit organisation (UK Registered Charity
No. 800579), which compiles and distributes the Cambridge Structural Database,
the comprehensive database of published organic and metal-organic structures
determined by x-ray and neutron diffraction techniques. The distributed CSD
System also includes companion software systems for information retrieval
and data analysis, and structural knowledge bases derived from CSD information.
The CCDC and its collaborators also develop CSD-related applications programs
such as SuperStar and GOLD, for investigating protein ligand interactions
and for protein ligand docking, and DASH, a program for structure solution
from powder diffraction data. A parallel database system, Relibase+, is also
available for the analysis of protein-ligand structures in the Protein Data
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