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Reversible Electron Transfer Coupled to Spin Crossover in an Iron Coordination Salt in the Solid State
Author(s) -
Khusniyarov Marat M.,
Weyhermüller Thomas,
Bill Eckhard,
Wieghardt Karl
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200704951
Subject(s) - dication , spin crossover , chemistry , spin states , mössbauer spectroscopy , electron transfer , diimine , crystallography , spin (aerodynamics) , ion , salt (chemistry) , electronic structure , coordination complex , electron paramagnetic resonance , electron , inorganic chemistry , photochemistry , computational chemistry , nuclear magnetic resonance , metal , physics , organic chemistry , quantum mechanics , biochemistry , thermodynamics , catalysis
A rad. dad : The electronic structure of [Fe(dad) 3 ][Fe(pda) 2 ] was investigated by X‐ray crystallography, Mössbauer spectroscopy, and magnetic susceptibility measurements as a function of the temperature. Reversible one‐electron transfer from the dianion (high‐spin Fe II ) to the dication (low‐spin Fe II ) generates a monoanion (intermediate‐spin Fe III ) and a monocation (high‐spin Fe II and α‐diimine π radical anion) above 235 K.
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