期刊
JOURNAL OF APPLIED CRYSTALLOGRAPHY
卷 41, 期 -, 页码 637-640出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S0021889808006481
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The pressure dependences of the lattice parameters of two spin transition compounds have been derived from neutron powder diffraction measurements at ambient temperature. The study of Fe(PM-AzA)(2)(NCS)(2) [ PM is N-2'-pyridylmethylene and AzA is 4-(phenylazo) aniline] has been used to validate this new type of investigation of spin crossover compounds, and the study of Fe(PM-BiA)(2)(NCS)(2) (BiA is 4-aminobiphenyl) has allowed the atypical spin crossover behaviour of this compound under pressure to be explained. In addition, this complex exhibits a pressure-induced structural transition with an associated symmetry change, inducing the transformation of Fe(PM-BiA)(2)(NCS)(2) into a different polymorph that avoids a first-order spin transition in favour of continuous transition.
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