An electron paramagnetic resonance study of a manganese(IV) ion in a trigonal environment

C.R. Byfleet Department of Chemistry, University of British Columbia, Vancouver 8, British Columbia, Canada; Department of Chemistry, The University, Southampton, England

W.C. Lin Department of Chemistry, University of British Columbia, Vancouver 8, British Columbia, Canada

C.A. McDowell Department of Chemistry, University of British Columbia, Vancouver 8, British Columbia, Canada

Abstract

An electron paramagnetic resonance (E.P.R.) study on ammonium 9-molybdomanganate (NH₄)₆MnMo₉O₃₂.8H₂O, has been carried out. The system has a Mn(IV) central ion and can be considered as a d ³ ion in a D ₃ environment. The results are fitted to a spin hamiltonian with S = 3/2 and I = 5/2 which is due to ⁵⁵Mn. The values of the spin hamiltonian parameters determined were

A ligand field theory approach has been taken in an attempt to interpret the observed zero-field splitting parameter.

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An electron paramagnetic resonance study of a manganese(IV) ion in a trigonal environment

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An electron paramagnetic resonance study of a manganese(IV) ion in a trigonal environment

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