Abstract
We report on the studies of the influence of hydrostatic pressure (up to 1.2 GPa) on dynamic electronic structure phenomena in 3d transition metal coordination compounds by Mossbauer and magnetic susceptibility measurements. We present examples of mononuclear spin crossover compounds of iron(II) and chromium(H), dinuclear complexes of iron(H) exhibiting coexistence of intramolecular antiferromagnetic coupling and thermal spin crossover, ID, 2D and 3D spin crossover coordination polymers of iron(II), a valence tautomeric system of cobalt(II) showing thermal transition from a high-spin [Co-II(semiquinone)] to a low-spin [Co-III(catecholate)] species on lowering the temperature, a photo-magnetically active Prussian blue-type system with temperature- and pressure-induced electron transfer, and finally an iron-TCNE compound with ferromagnetic interaction.
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