High-Temperature Spin Crossover in Ironpyridine

High-Temperature Spin Crossover in Ironpyridine

Novel iron(II) coordination compounds containing a ligand 2,6-bis(1H-imidazol-2-yl)pyridine (L), having such a composition as [FeL[sub.2]]SO[sub.4]·0.5H[sub.2]O, [FeL[sub.2]]Br[sub.2]·H[sub.2]O, [FeL[sub.2]](ReO[sub.4])[sub.2], [FeL[sub.2]]B[sub.10]H[sub.10]∙H[sub.2]O, [FeL[sub.2]]B[sub.12]H[sub.12]...

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Veröffentlicht in:Molecules (Basel, Switzerland) Switzerland), 2022-08, Vol.27 (16)
Hauptverfasser: Lavrenova, Ludmila G, Shakirova, Olga G, Korotaev, Evgeniy V, Trubina, Svetlana V, Tikhonov, Alexsei Ya, Os’kina, Irina A, Petrov, Sergey A, Zhizhin, Konstantin Yu, Kuznetsov, Nikolay T
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Electric fields
Pyridine
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container_issue 16
container_start_page
container_title Molecules (Basel, Switzerland)
container_volume 27
creator Lavrenova, Ludmila G
Shakirova, Olga G
Korotaev, Evgeniy V
Trubina, Svetlana V
Tikhonov, Alexsei Ya
Os’kina, Irina A
Petrov, Sergey A
Zhizhin, Konstantin Yu
Kuznetsov, Nikolay T
description Novel iron(II) coordination compounds containing a ligand 2,6-bis(1H-imidazol-2-yl)pyridine (L), having such a composition as [FeL[sub.2]]SO[sub.4]·0.5H[sub.2]O, [FeL[sub.2]]Br[sub.2]·H[sub.2]O, [FeL[sub.2]](ReO[sub.4])[sub.2], [FeL[sub.2]]B[sub.10]H[sub.10]∙H[sub.2]O, [FeL[sub.2]]B[sub.12]H[sub.12]∙1.5H[sub.2]O had been synthesized and studied using UV-Vis (diffuse reflectance), infrared, extended X-ray absorption fine structure (EXAFS), and Mössbauer spectroscopy methods, as well as X-ray diffraction and static magnetic susceptibility methods. The analysis of the μ[sub.eff](T) dependence in the temperature range of 80-600 K have shown that all the obtained complexes exhibit a high-temperature spin crossover [sup.1]A[sub.1] ↔ [sup.5]T[sub.2].
doi_str_mv 10.3390/molecules27165093
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subjects Electric fields
Pyridine
title High-Temperature Spin Crossover in Ironpyridine
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