loop_ _publ_manuscript_incl.entry_id _publ_manuscript_incl.extra_item _publ_manuscript_incl.extra_info _publ_manuscript_incl.extra_defn 'EXAMHYPO' '_atom_site.symmetry_multiplicity' 'to emphasise special sites' yes 'EXAMHYPO' '_chemical.compound_source' 'rare material, unusual source' yes 'EXAMHYPO' '_reflns.d_resolution_high' 'limited data is a problem here' yes 'EXAMHYPO' '_crystal.magnetic_permeability' 'unusual value for this material' no