Magnetic investigations on a valence‐delocalized dinuclear Fe(II)‐Fe(III) complex | Zendy

Saal C | Zendy; Mohanta S. | Zendy; Nag K. | Zendy; Dutta S. K. | Zendy; Werner R. | Zendy; Haase W. | Zendy; Duin E. | Zendy; Johnson M. K. | Zendy

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Magnetic investigations on a valence‐delocalized dinuclear Fe(II)‐Fe(III) complex

Author(s) -

Saal C,

Mohanta S.,

Nag K.,

Dutta S. K.,

Werner R.,

Haase W.,

Duin E.,

Johnson M. K.

Publication year - 1996

Publication title -

berichte der bunsengesellschaft für physikalische chemie

Language(s) - English

Resource type - Journals

ISSN - 0005-9021

DOI - 10.1002/bbpc.19961001228

Subject(s) - delocalized electron , antiferromagnetism , valence (chemistry) , exchange interaction , chemistry , isotropy , condensed matter physics , spectroscopy , absorption spectroscopy , magnetic susceptibility , materials science , atomic physics , molecular physics , crystallography , physics , ferromagnetism , quantum mechanics , organic chemistry

The magnetic properties of a valence delocalized mixed valent Fe(II)‐Fe(III) complex have been investigated. On the basis of magnetic susceptibility measurements and NIR absorption spectroscopy the double exchange parameter was determined to B = 940cm −1 while for the isotropic exchange interaction an antiferromagnetic contribution of, J = −100 cm −1 was obtained. The results were further discussed with regard to vibronic interaction. For the vibronic‐interaction parameter A only an upper bound of 2500 cm −1 could be given.

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