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Spin-crossover in iron(ii) coordination compounds with 2,6-bis(benzimidazol-2-yl)pyridine

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Abstract

New iron(II) complexes with 2,6-bis(benzimidazol-2-yl)pyridine (L), in particular, [FeL2]A2·nH2O (A = Br (I), NO3 (II), C2N3 (III); n = 1 (I), 0.5 (II), 2 (III)) and [NiL2]Br2·1.23H2O·3.33EtOH (IV), have been synthesized and studied using single-crystal and powder X-ray diffraction techniques, UV-vis (diffuse reflection), IR and Mössbauer spectroscopy, as well as static magnetic susceptibility measurements. According to the experimental μeff(T) curves all the studied iron(II) compounds exhibit 1A15T2 spin-crossover.

Graphical abstract: Spin-crossover in iron(ii) coordination compounds with 2,6-bis(benzimidazol-2-yl)pyridine

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Article information


Submitted
28 Jan 2020
Accepted
11 Mar 2020
First published
12 Mar 2020

New J. Chem., 2020, Advance Article
Article type
Paper

Spin-crossover in iron(II) coordination compounds with 2,6-bis(benzimidazol-2-yl)pyridine

A. D. Ivanova, E. V. Korotaev, V. Yu. Komarov, L. A. Sheludyakova, V. A. Varnek and L. G. Lavrenova, New J. Chem., 2020, Advance Article , DOI: 10.1039/D0NJ00474J

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