International
Tables for
Crystallography
Volume B
Reciprocal space
Edited by U. Shmueli

International Tables for Crystallography (2006). Vol. B. ch. 3.3, p. 384   | 1 | 2 |

Section 3.3.3.3.4. Commercial systems

R. Diamonda*

aMRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, England
Correspondence e-mail: rd10@cam.ac.uk

3.3.3.3.4. Commercial systems

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A number of very powerful molecular-modelling systems are now available commercially and we mention a few of these here. Typically, each consists of a suite of programs sharing a common data structure so that the components of a system may be acquired selectively.

The Chem-X system, from Chemical Design Ltd, enables models to be developed from sketch-pad input, provides for their geometrical optimization and interfaces the result to Gaussian80 for quantum-mechanical calculations.

MACCS , from Molecular Design Ltd, and related software (Allinger, 1976[link]; Wipke et al., 1977[link]; Potenzone et al., 1977[link]) has similar features and also has extensive database-maintenance facilities including data on chemical reactions.

Sybyl , from Tripos Associates (van Opdenbosch et al., 1985[link]), also builds from sketches with a standard fragment library, and provides interfaces to quantum-mechanical routines, to various databases and to MACCS.

Insight II (Section 3.3.3.1.7[link]) is available from Biosym and GRAMPS (Section 3.3.3.1.4[link]) is available from T. J. O'Donnell Associates.

References

First citation Allinger, N. L. (1976). Calculation of molecular structure and energy by force field methods. Adv. Phys. Org. Chem. 13, 1–82.Google Scholar
First citation Opdenbosch, N. van, Cramer, R. III & Giarrusso, F. F. (1985). Sybyl, the integrated molecular modelling system. J. Mol. Graphics, 3, 110–111.Google Scholar
First citation Potenzone, R., Cavicchi, E., Weintraub, H. J. R. & Hopfinger, A. J. (1977). Molecular mechanics and the CAMSEQ processor. Comput. Chem. 1, 187–194.Google Scholar
First citation Wipke, W. T., Braun, H., Smith, G., Choplin, F. & Sieber, W. (1977). SECS – simulation and evaluation of chemical synthesis: strategy and planning. ACS Symp. Ser. 61, 97–125.Google Scholar








































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