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.
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收藏
页码：595 / +
页数：13
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