Existing CIF standards referenced include the IUCr Symmetry CIF dictionary (SymCIF) and Magnetic CIF dictionary (MagCif) . Specific versions used in preparation for this work were SymCIF version 1.0.1 (2005) and MagCIF version 0.9.8 (2020) . References to the keys and values in these dictionaries will be given as such: SymCIF:_.... and MagCIF:_..., respectively. Occasional references are also made to the CLEG GitHub site maintained by the author .