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Structure, Magnetochemistry and Biological Relevance of [Mn 4 O 3 Cl 4 (OAc) 3 (py) 3 ], a Complex with S = 9/2 Ground State
Author(s) -
Li Qiaoying,
Vincent John B.,
Libby Eduardo,
Chang HsiuRong,
Huffman John C.,
Boyd Peter D. W.,
Christou George,
Hendrickson David N.
Publication year - 1988
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198817311
Subject(s) - ground state , antiferromagnetism , magnetochemistry , ferromagnetism , excited state , condensed matter physics , spin (aerodynamics) , chemistry , physics , materials science , atomic physics , crystallography , thermodynamics , crystal structure
The title compound 1 is a model for the Mn 3 IIIMn IV center near the photosystem II. It follows from the dependence of the susceptibility of 1 on temperature and field strength that its magnetic properties are determined both by ferromagnetic as well as antiferromagnetic interactions and that the ground state has a spin of 9/2. The first excited states should be more than 200 cm −1 energy‐richer than the ground state.