International Tables for Crystallography


DDL2 dictionary
J. D. Westbrook and S. R. Hall. International Tables for Crystallography (2005). Vol. G, ch. 4.10, pp. 473-478  [ doi:10.1107/97809553602060000750 ]

Abstract

This is version 2.1.3 of the dictionary definition language (DDL2). It provides a machine-readable description of the attributes of data items in the mmCIF and related dictionaries. This version of DDL is described in Chapter 2.6.

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About International Tables for Crystallography

International Tables for Crystallography is the definitive resource and reference work for crystallography. The series consists of nine volumes and comprises articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the structure and properties of materials.