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Lattice water molecules tuned spin-crossover for an iron(II) complex with thermal hysteresis.
Luo, Yang-Hui; Yang, Li-Jing; Liu, Qing-Ling; Ling, Yang; Wang, Wei; Sun, Bai-Wang.
Afiliação
  • Luo YH; School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 210096, P. R. China. chmsunbw@seu.edu.cn.
Dalton Trans ; 43(44): 16937-42, 2014 Nov 28.
Article em En | MEDLINE | ID: mdl-25301143
A new iron(II) complex based on the 4,4'-dimethyl-2,2'-bipyridine ligand [Fe(4,4'-dmbpy)3(ClO4)(SCN)·3H2O (1·3H2O)] has been prepared and characterized. Structural studies and Hirshfeld surface analysis for complex 1·3H2O at three different temperatures (300, 240 and 130 K) are described. The UV-vis absorption spectrum of a water-free sample (1) in methanol solution and magnetic susceptibility measurements for solid-state samples 1·3H2O and 1 revealed that the removal of lattice water molecules from complex 1·3H2O changed the magnetic properties from the low-spin state (1·3H2O) to the complete spin-crossover (1) between 350-220 K with a thermal hysteresis of 7 K, and was accompanied by a colour change from brown to red.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Dalton Trans Assunto da revista: QUIMICA Ano de publicação: 2014 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Dalton Trans Assunto da revista: QUIMICA Ano de publicação: 2014 Tipo de documento: Article