Crystal structure and magnetic properties of the spin crossover complex FeII(ethyl nicotinate)2[AuI(CN)2]2

Akihiro Sugaya; Shotaro Ueno; Jun Okabayashi; Takafumi Kitazawa

doi:10.1039/C3NJ01564E

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Crystal structure and magnetic properties of the spin crossover complex Fe^II(ethyl nicotinate)₂[Au^I(CN)₂]₂†

Akihiro Sugaya,^a Shotaro Ueno,^a Jun Okabayashi^b and Takafumi Kitazawa*^ac

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* Corresponding authors

^a Department of Chemistry, Faculty of Science, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan
E-mail: kitazawa@chem.sci.toho-u.ac.jp
Fax: +81 47 472 5077
Tel: +81 47 472 5077

^b Research Center for Spectrochemistry, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan

^c Research Centre for Materials with Integrated Properties, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan

Abstract

A new Fe^II two-step spin crossover (SCO) coordination polymer, Fe^II(ethyl nicotinate)₂[Au^I(CN)₂]₂1, with four-inflection associated with phase transitions, has been synthesized. Complex 1 with large side chain ligands has been found to undergo unbalanced two-step SCO transitions. This phenomenon is associated with aurophilic interactions through the pairing of bilayers and quadruple effects.

This article is part of the themed collection: Advanced Complex Inorganic Nanomaterials

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Article information

DOI: https://doi.org/10.1039/C3NJ01564E
Article type: Letter
Submitted: 12 Dec 2013
Accepted: 12 Mar 2014
First published: 14 Mar 2014

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New J. Chem., 2014,38, 1955-1958

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Crystal structure and magnetic properties of the spin crossover complex Fe^II(ethyl nicotinate)₂[Au^I(CN)₂]₂

A. Sugaya, S. Ueno, J. Okabayashi and T. Kitazawa, New J. Chem., 2014, 38, 1955 DOI: 10.1039/C3NJ01564E

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