International
Tables for
Crystallography
Volume G
Definition and exchange of crystallographic data
Edited by S. R. Hall and B. McMahon

International Tables for Crystallography (2006). Vol. G, ch. 3.1, p. 77

Section 3.1.5.1. The dictionary identification block

B. McMahona*

aInternational Union of Crystallography, 5 Abbey Square, Chester CH1 2HU, England
Correspondence e-mail: bm@iucr.org

3.1.5.1. The dictionary identification block

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As mentioned above, the dictionary file must contain information that unambiguously states its identity and version. In DDL1-based CIF dictionaries, this is achieved by itemizing the full set of dictionary attributes (see Section 2.5.6.5[link] ) within a data block named data_on_this_dictionary, as in Example 3.1.5.1[link] from the core dictionary.

Example 3.1.5.1. A DDL1 dictionary identification block.

[Scheme scheme3]








































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