二聚体Co(II) 双水杨醛缩乙二胺配合物中由单重态-三重态和四重态自旋态产生的三稳态

Tristability arising from singlet-triplet and quartet spin states for dimeric Co(II)salen.

作者信息

Min Kil Sik, Arthur Jordan, Shum William W, Bharathy Muktha, zur Loye Hans-Conrad, Miller Joel S

机构信息

Department of Chemistry, 315 South 1400 East, Room 2124, University of Utah, Salt Lake City, Utah 84112-0850, USA.

出版信息

Inorg Chem. 2009 Jun 1;48(11):4593-4. doi: 10.1021/ic900436e.

DOI:10.1021/ic900436e

PMID:19371063

Abstract

The magnetic behavior of N,N'-ethylenebis(salicylideniminato)cobalt(II) (Co(II)Salen, 1) has been reinvestigated and reveals spin-crossover behavior above 295 K. It has a singlet ground state and a triplet excited state at 30 K (21 cm(-1); 60 cal/mol) above the ground state, and at a higher temperature spin crossover to the quartet, a second excited state occurs.

摘要

N,N'-亚乙基双（水杨醛亚胺基）钴（II）（Co（II）Salen，1）的磁性行为已被重新研究，结果表明在295 K以上具有自旋交叉行为。它在基态时有一个单重态，在高于基态30 K（21 cm⁻¹；60 cal/mol）时有一个三重态激发态，并且在更高温度下自旋交叉到四重态，即第二个激发态出现。