Site-Differentiated Mn II Fe II Complex Reproducing the Selective Assembly of Biological Heterobimetallic Mn/Fe Cofactors
- Award ID(s):
- 1834750
- NSF-PAR ID:
- 10398271
- Date Published:
- Journal Name:
- Journal of the American Chemical Society
- Volume:
- 145
- Issue:
- 6
- ISSN:
- 0002-7863
- Page Range / eLocation ID:
- 3491 to 3498
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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The synthesis, single-crystal structures and magnetic properties of three new cyano-bridged complexes [FeIII4MII2] (M = Fe II , Co II , Ni II ) are reported. Electronic absorption spectroscopy reveals the occurrence of intervalence charge transfer for [FeIII4FeII2]. Field-induced slow magnetic relaxation behavior is exhibited for [FeIII4CoII2] and [FeIII4NiII2] which originates from the ferromagnetic interactions between Fe III and M II spin centers of the square.more » « less