FeIII in a low-spin state in caesium bis[3-ethoxysalicylaldehyde 4-methylthiosemicarbazonato(2-)-κ3O2,N1,S]ferrate(III) methanol monosolvate

被引：7

作者：

Powell, Robyn E. ^{[1
]}

Schwalbe, Carl H. ^{[2
]}

Tizzard, Graham J. ^{[3
]}

van Koningsbruggen, Petra J. ^{[1
]}

机构：

[1] Aston Univ, Sch Engn & Appl Sci Chem Engn & Appl Chem, Birmingham B4 7ET, W Midlands, England

[2] Aston Univ, Sch Life & Hlth Sci, Birmingham B4 7ET, W Midlands, England

[3] Univ Southampton, Dept Chem, Natl Crystallog Serv, Southampton SO17 1BJ, Hants, England

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2014年 / 70卷

关键词：

crystal structure; thiosemicarbazones; iron(III); low-spin structures; chromophores; switching behaviour; Fe-III spin-crossover behaviour; MAGNETIC-SUSCEPTIBILITY; CRYSTAL-STRUCTURES; X-RAY; CROSSOVER; THIOSEMICARBAZONE; TRANSITION; COMPLEXES; PROGRAM; FE(III);

D O I：

10.1107/S2053229614008158

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synthesis and crystal structure (at 100 K) of the title compound, Cs[Fe(C11H13N3O2S2)(2)]center dot CH3OH, is reported. The asymmetric unit consists of an octahedral [Fe-III(L)(2)]-fragment, where L-2-is 3-ethoxysalicylaldehyde 4-methylthiosemicarbazonate(2-) {systematic name: [2-(3-ethoxy-2-oxidobenzylidene) hydrazin-1-ylidene](methylamino) methanethiolate}, a caesium cation and a methanol solvent molecule. Each L-2-ligand binds through the thiolate S, the imine N and the phenolate O atoms as donors, resulting in an (FeS2N2O2)-S-III chromophore. The O, N, S-coordinating ligands are orientated in two perpendicular planes, with the O and S atoms in cis positions and the N atoms in trans positions. The Fe III cation is in the low-spin state at 100 K.

引用

页码：595 / +

页数：13

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