INTERNATIONAL TABLES

for CRYSTALLOGRAPHY

Volume G

Definition and Exchange of Crystallographic Data

4.9. DDL1 dictionary

S. R. Hall

Abstract

This chapter presents the contents of the dictionary that defines the terms of the dictionary definition language (DDL1) used in the coreCIF family of CIF applications.

The data names defined in the DDL1 dictionary are used to describe the attributes of data definitions.

Version 1.4.1 of the DDL1 dictionary contains definitions for 27 data items grouped in 18 categories.

References

IEEE (1991). IEEE Standard for Information Technology - Portable Operating System Interface (POSIX) - Part 2: Shell and utilities, Vol. 1, IEEE Standard 1003.2-1992. New York: The Institute of Electrical and Electronic Engineers, Inc. See also http://www.opengroup.org/onlinepubs/009695399/.