Spin Crossover and Thermochromism in Iron(II) Complexes with 2,6-Bis(1H-imidazol-2-yl)-4-methoxypyridine

被引：0
|
作者：
Shakirova, Olga G. [1 ,2 ]
Os'kina, Irina A. [3 ]
Korotaev, Evgeniy V. [1 ]
Petrov, Sergey A. [4 ]
Kuratieva, Natalia V. [1 ]
Tikhonov, Alexsei Ya. [3 ]
Lavrenova, Lyudmila G. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia
[2] Komsomolsk Na Amure State Univ, Fed State Budget Inst Higher Educ, Fac Machinery & Chem Technol, Dept Chem & Chem Technol, Komsomolsk On Amur 681013, Russia
[3] Russian Acad Sci, Siberian Branch, NN Vorozhtsov Novosibirsk Inst Organ Chem, Novosibirsk 630090, Russia
[4] Russian Acad Sci, Siberian Branch, Inst Solid State Chem, Novosibirsk 630128, Russia
来源：
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2023年 / 24卷 / 12期
关键词：
synthesis; complexes; iron(II); 2; 6-bis(1H-imidazol-2-yl)-4-methoxypyridine; spectroscopy; spin crossover;
D O I：
10.3390/ijms24129853
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
New iron(II) complexes with 2,6-bis(1H-imidazol-2-yl)-4-methoxypyridine (L) of the composition [FeL2]A(n)& BULL;mH(2)O (A = SO42-, n = 1, m = 2 (I); A = ReO4-, n = 2, m = 1 (II); A = Br-, n = 2, m = 2 (III)) have been synthesized and investigated. To determine the coordination ability of the ligand, a single crystal of a copper(II) complex of the composition [CuLCl2] (IV) was obtained and studied by X-ray technique. Compounds I-III were studied using methods of X-ray phase analysis, electron (diffuse reflection spectra), infrared and Mossbauer spectroscopy, static magnetic susceptibility. The study of the & mu;(eff)(T) dependence showed that the (1)A(1) & LRARR; T-5(2) spin crossover manifests itself in the compounds. The spin crossover is accompanied by thermochromism: there is a distinct color change orange & LRARR; red-violet.
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页数：16
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