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This collection of papers originally presented in 1987 at The International School on Crystallographic Computing is largely concerned with methods of single-crystal structure determination, with an emphasis on direct methods and on methods applicable to protein crystallography. In addition there are contributions on fiber diffraction and electron diffraction techniques. Programming methods for assessing data bases are presented as are introductions to symbolic programming and programming for array processors.
Computing Methods in Crystallography is a collection of lectures delivered at a Summer School, held in Oxford in August 1962. The book presents the underlying mathematics and computing methods in crystallography. The text covers topics on the algebra required for the fundamental operations of transformation of coordinates, interpolation, approximation of trigonometric and exponential functions, solution of linear equations and derivation of latent roots and vectors; methods for calculation of structure factors, least-squares adjustment, and Fourier series evaluation; the theory and practice of intensity scaling and symmetry determination; and methods of direct phase determination. Crystallographers, physicists, and students in allied fields will find the book very useful.
X-ray crystallography provides a unique opportunity to study the arrangement of atoms in a molecule. This book's modern computer-graphics centered approach facilitates the extrapolation of these valuable observations. A unified treatment of crystal systems, the book explains how atoms are arranged in crystals using the metric matrix. Featuring t
International Tables for Crystallography Volume G, Definition and exchange of crystallographic data, describes the standard data exchange and archival file format (the Crystallographic Information File, or CIF) used throughout crystallography. It provides in-depth information vital for small-molecule, inorganic and macromolecular crystallographers, mineralogists, chemists, materials scientists, solid-state physicists and others who wish to record or use the results of a single-crystal or powder diffraction experiment. The volume also provides the detailed data ontology necessary for programmers and database managers to design interoperable computer applications. The accompanying CD-ROM contains the CIF dictionaries in machine-readable form and a collection of libraries and utility programs. This volume is an essential guide and reference for programmers of crystallographic software, data managers handling crystal-structure information and practising crystallographers who need to use CIF.
I U CR World List of Crystallographic Computer Programs.
Computing Methods in Crystallography is a collection of lectures given at a two-week Summer School held in Oxford, UK in August 1962. About forty-five crystallographers focused on advances in the use of computing methods in crystallography. The discussions are organized around four themes: algebra, statistics, phase determination, and programming. This book is comprised of 20 chapters and begins with an introduction to the algebra required for the fundamental operations of transformation of coordinates, interpolation, and approximation of trigonometric and exponential functions, as well as solution of linear equations and derivation of latent roots and vectors. Methods for calculation of structure factors, least-squares adjustment, Fourier series evaluation, and a number of other operations are described. The statistical properties of reciprocal space are also considered, along with probability methods for centrosymmetric crystals. The final chapter looks at some crystallographic programs in FORTRAN. This monograph will be a valuable resource for crystallographers as well as physics students and researchers interested in the application of computing methods to crystallography.