Spin Crossover Behaviors in Solvated Cobalt(II) Compounds

Spin Crossover Behaviors in Solvated Cobalt(II) Compounds
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溶剂化钴 (II) 化合物中的自旋交叉行为

DOI:
10.1039/c4dt03743j
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发表时间:
2015
期刊:
Dalton Trans.
影响因子:
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通讯作者:
J. K. Clegg
J. K. Clegg
中科院分区:
--
文献类型:
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作者:
S. Hayami;M. Nakaya;H. Ohmagari;S. A. Amolegbe;M. Nakamura;R. Ohtani;R. Yamaguchi;T. Kuroda-Sowa;J. K. Clegg

文献摘要

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合成了两种溶剂化的三联吡啶钴配合物[Co(MeO-terpy)2](BF 4)2·H2O(1·H2O)和[Co(MeO-terpy)2](BF 4)2·丙酮(1·丙酮)。退火这些复合物中的每一个导致两个去溶剂化的物种,1和1′,分别形成。1·H_2O和1的SCO均为两步渐进式。化合物1·丙酮在所有温度下都具有高自旋,1′由于相变而经历反向自旋转变。
Two solvated cobalt(II) terpyridine complexes, [Co(MeO-terpy)2](BF4)2·H2O (1·H2O) and [Co(MeO-terpy)2](BF4)2·acetone (1·acetone) were prepared. Annealing each of these complexes resulted in the formation of two desolvated species, 1 and 1′, respectively. 1·H2O and 1 exhibited two-step and gradual SCO. The compound 1·acetone has high-spin at all temperatures and 1′ undergoes a reverse spin transition due to a phase change.