Crystallographic Information Framework

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Index

DDL dictionary

Category groups

The following category groups are defined in this dictionary:

ddl_group
Component categories of the macromolecular DDL.
datablock_group
Categories that describe the characteristics of data blocks.
category_group
Categories that describe the characteristics of categories.
sub_category_group
Categories that describe the characteristics of subcategories.
item_group
Categories that describe the characteristics of data items.
dictionary_group
Categories that describe the dictionary.
compliance_group
Categories that are retained specifically for compliance with older versions of the DDL.

International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.