Hydrothermal synthesis and magnetic properties of novel Mn(II) and Zn(II) materials with thiolato-carboxylate donor ligand frameworks

Dalton Transactions : an International Journal of Inorganic Chemistry
Simon M HumphreyPaul T Wood

Abstract

The hydrothermal reaction of thiosalicylic acid, (C(6)H(4)(CO(2)H)(SH)-1,2) with manganese(III) acetate leads to formation of the coordination solid [Mn(5)((C(6)H(4)(CO(2))(S)-1,2)(2))(4)(mu3-OH)2] (1) via a redox reaction, where resulting manganese(II) centres are coordinated by oxygen donor atoms and S-S disulfide bridge formation is simultaneously observed. Reaction of the same ligand under similar conditions with zinc(II) chloride yields the layered coordination solid [Zn(C(6)H(4)(CO(2))(S)-1,2)] (2). Hydrothermal treatment of manganese(III) acetate with 2-mercaptonicotinic acid, (NC(5)H(3)(SH)(CO(2)H)-2,3) was found to produce the 1-dimensional chain structure [Mn(2)((NC(5)H(3)(S)(CO(2))-2,3)(2))(2)(OH(2))(4)].4H(2)O (3) which also exhibits disulfide bridge formation and oxygen-only metal interactions. Compound 3 has been studied by thermogravimetric analysis and indicates sequential loss of lattice and coordinated water, prior to more comprehensive ligand fragmentation at elevated temperatures. The magnetic behaviour of 1 and 3 has been investigated and both exhibit antiferromagnetic interactions. The magnetic behaviour of 1 has been modelled as two corner-sharing isosceles triangles whilst 3 has been modelled as a 1-dime...Continue Reading

Citations

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Jun 10, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Yan-Qiong SunYi-Ping Chen
Mar 18, 2009·Dalton Transactions : an International Journal of Inorganic Chemistry·Simon M HumphreyErica R Wise
Feb 18, 2009·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Richard A MolePaul T Wood
Feb 18, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Salomé DelgadoFélix Zamora
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Jun 14, 2021·Chemical Communications : Chem Comm·Shaowu DuZhangzhen He
Jun 15, 2007·Inorganic Chemistry·Zhangang HanCarlos J Gómez-García

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