The CIF powder diffraction dictionary, which defines data names for describing powder diffraction experiments and results, has a new version (2.5.0) ready for release. This is the version that will be covered in the soon-to-be published second edition of International Tables for Crystallography, Volume G. Of particular interest to members of this list might be new data names for describing preferred orientation (March-Dollase and spherical harmonics) and QPA. Contributions from members of this list are gratefully acknowledged.
The release notes are available at https://github.com/COMCIFS/cif_pd/wiki/Release-Notes-for-CIF-Powder-Dictionary-2.5.0, and the dictionary itself can be perused at https://github.com/COMCIFS/cif_pd/blob/master/cif_pd.dic. Your feedback is welcome, preferably by raising an issue in the above repository. I note that these definitions are freely available for reuse in other data formalisation efforts (e.g. "<logical location> corresponds to _pd_meas.rocking_angle"). James Hester (COMCIFS chair) -- T +61 (02) 9717 9907 M +61 (04) 0249 4148
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