Field-induced single-molecule magnet behavior in ideal trigonal antiprismatic cobalt(II) complexes: precise geometrical control by a hydrogen-bonded rigid metalloligand

Ryoji Mitsuhashi; Kasper S. Pedersen; Takaaki Ueda; Takayoshi Suzuki; Jesper Bendix; Masahiro Mikuriya

doi:10.1039/C8CC04756A

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Field-induced single-molecule magnet behavior in ideal trigonal antiprismatic cobalt(ii) complexes: precise geometrical control by a hydrogen-bonded rigid metalloligand†

Ryoji Mitsuhashi,

*^a Kasper S. Pedersen,^b Takaaki Ueda,^a Takayoshi Suzuki,^cd Jesper Bendix

^e and Masahiro Mikuriya

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
E-mail: mitsuhashi@kwansei.ac.jp

^b Department of Chemistry, Technical University of Denmark, Kongens Lyngby 2800, Denmark

^c Department of Chemistry, Faculty of Science, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan

^d Research Institute for Interdisciplinary Science, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan

^e Department of Chemistry, University of Copenhagen, Universitets Parken, 5, Copenhagen, Denmark

Abstract

A new cobalt(II) complex bearing a pair of cobalt(III) tris-chelate complexes as metalloligands was prepared. The Co^II ion possesses an ideal trigonal antiprismatic geometry because of the intermolecular hydrogen-bonds between the metalloligands via counter anions. This complex exhibits slow magnetic relaxation under a dc field reminiscent of a single-molecule magnet behavior.

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Article information

DOI: https://doi.org/10.1039/C8CC04756A
Article type: Communication
Submitted: 14 Jun 2018
Accepted: 17 Jul 2018
First published: 18 Jul 2018

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Chem. Commun., 2018,54, 8869-8872

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Field-induced single-molecule magnet behavior in ideal trigonal antiprismatic cobalt(II) complexes: precise geometrical control by a hydrogen-bonded rigid metalloligand

R. Mitsuhashi, K. S. Pedersen, T. Ueda, T. Suzuki, J. Bendix and M. Mikuriya, Chem. Commun., 2018, 54, 8869 DOI: 10.1039/C8CC04756A

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Chemical Communications

Field-induced single-molecule magnet behavior in ideal trigonal antiprismatic cobalt(ii) complexes: precise geometrical control by a hydrogen-bonded rigid metalloligand†

Abstract

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Field-induced single-molecule magnet behavior in ideal trigonal antiprismatic cobalt(II) complexes: precise geometrical control by a hydrogen-bonded rigid metalloligand

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