Issue 20, 2015
From the journal:

Dalton Transactions

Spin-crossover behaviors in solvated cobalt(ii) compounds†

Shinya Hayami,*ab   Manabu Nakaya,a   Hitomi Ohmagari,a   Amolegbe Saliu Alao,ac   Masaaki Nakamura,a   Ryo Ohtani,a   Ryotaro Yamaguchi,d   Takayoshi Kuroda-Sowad  and  Jack K. Clegge  

* Corresponding authors

a Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
E-mail: hayami@sci.kumamoto-u.ac.jp

b Institute of Pulsed Power Science (IPPS), Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

c Department of Chemistry, College of Natural Science, Federal University of Agriculture, Abeokuta, PMB 2240, Nigeria

d School of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashi-Osaka-shi, Osaka 577-8502, Japan

e School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane St., Lucia QLD 4072, Australia

Abstract

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.

Graphical abstract: Spin-crossover behaviors in solvated cobalt(ii) compounds

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Article information

DOI
https://doi.org/10.1039/C4DT03743J
Article type
Communication
Submitted
07 Dec 2014
Accepted
23 Dec 2014
First published
07 Jan 2015

Dalton Trans., 2015,44, 9345-9348

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Spin-crossover behaviors in solvated cobalt(II) compounds

S. Hayami, M. Nakaya, H. Ohmagari, A. S. Alao, M. Nakamura, R. Ohtani, R. Yamaguchi, T. Kuroda-Sowa and J. K. Clegg, Dalton Trans., 2015, 44, 9345 DOI: 10.1039/C4DT03743J

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