Issue 1, 1990
From the journal:

Journal of the Chemical Society, Dalton Transactions

Chemistry of ferroverdin: trinuclear species of type [M(FeL3)2](M = Mg, Ca, Mn, Fe, Co, Ni, Zn, or Cd; L = 4-methyl-1,2-benzoquinone 2-oximate)

Partha Basu,   Samudranil Pal  and  Animesh Chakravorty  

Abstract

Reaction of sodium tris (4-methyl-1,2-benzoquinone 2-oximato) ferrate(II), Na[FeL3], with M2+(M = Mg, Ca, Mn, Fe, Co, Ni, Zn, or Cd) in methanol furnishes trinuclear species of type [M(FeL3)2]. Upon treatment with NaOH, M(OH)2 is precipitated and Na[FeL3] is regenerated. The iron(II) atoms of the two [FeL3]– moieties in the trinuclear complexes are low spin but M2+ is high spin (S=5//2, 2, [fraction three-over-two], and 1 in the cases of M = Mn, Fe, Co, and Ni respectively). The M2+ site can be doped with Mn2+ and e.s.r. data for the doped complexes are compatible with a near octahedral environment of the M2+ site. It is proposed that this environment is created by the six oximato oxygen atoms of the two facial [FeL3]– moieties. The significance of the present work in relation to the reported variation of the iron content in different preparations of ferroverdin is noted.

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Article information

DOI
https://doi.org/10.1039/DT9900000009
Article type
Paper

J. Chem. Soc., Dalton Trans., 1990, 9-11

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Chemistry of ferroverdin: trinuclear species of type [M(FeL3)2](M = Mg, Ca, Mn, Fe, Co, Ni, Zn, or Cd; L = 4-methyl-1,2-benzoquinone 2-oximate)

P. Basu, S. Pal and A. Chakravorty, J. Chem. Soc., Dalton Trans., 1990, 9 DOI: 10.1039/DT9900000009

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