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New version of imgCIF/CBF dictionary

  • To: Multiple recipients of list <comcifs-l@iucr.org>
  • Subject: New version of imgCIF/CBF dictionary
  • From: Brian McMahon <bm@iucr.org>
  • Date: Fri, 5 Sep 2003 14:59:40 +0100 (BST)
Dear colleagues

The image CIF dictionary (imgCIF) version 1.3.1 has been posted.

The imgCIF dictionary project is directed by Herbert Bernstein following a
proposal by Andrew Hammersley and an early implementation by John
Westbrook. The dictionary provides data names and attributes of data items
used in pure ASCII imgCIF and isomorphous crystallographic binary files
(CBF). The CBF/imgCIF dictionary is an extension to the macromolecular CIF
(mmCIF) dictionary, whose primary purpose is to extend the mmCIF
dictionary to cover the needs of collection of synchrotron data images for
structural biology. Synchrotron data is also of importance in
small-molecule data collection, and the representation of binary image
data is also of importance in publication of journal articles, creation of
web pages, production of movies, etc.


Further information is on the imgCIF page of the IUCr web site:

The canonical version of the dictionary is available from

This dictionary was approved by COMCIFS on 19 August 2003.

I congratulate Herbert and his co-workers on the continuing development
and maintenance of this dictionary.

Brian McMahon
Coordinating Secretary, COMCIFS
Brian McMahon                                             tel: +44 1244 342878
Research and Development Officer                          fax: +44 1244 314888
International Union of Crystallography                  e-mail:  bm@iucr.ac.uk
5 Abbey Square, Chester CH1 2HU, England                         bm@iucr.org

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