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含2,6-双（1-咪唑-2-基）吡啶的铁（II）配合物中的高温自旋交叉现象

High-Temperature Spin Crossover in Iron(II) Complexes with 2,6-Bis(1-imidazol-2-yl)pyridine.

作者信息

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

机构信息

Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Academic Lavrentyev Avenue 3, 630090 Novosibirsk, Russia.

Department of Chemistry and Chemical Technologies, Faculty of Machinery and Chemical Technologies, Federal State Budget Institution of Higher Education, Komsomolsk-na-Amure State University, Lenin Avenue 27, 681013 Komsomolsk-on-Amur, Russia.

出版信息

Molecules. 2022 Aug 10;27(16):5093. doi: 10.3390/molecules27165093.

DOI:10.3390/molecules27165093
PMID:36014332
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9415506/
Abstract

Novel iron(II) coordination compounds containing a ligand 2,6-bis(1-imidazol-2-yl)pyridine (L), having such a composition as [FeL]SO·0.5HO, [FeL]Br·HO, FeL, [FeL]BH∙HO, [FeL]BH∙1.5HO 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(T) dependence in the temperature range of 80-600 K have shown that all the obtained complexes exhibit a high-temperature spin crossover A ↔ T.

摘要

已合成并使用紫外可见（漫反射）、红外、扩展X射线吸收精细结构（EXAFS）和穆斯堡尔光谱方法以及X射线衍射和静态磁化率方法研究了含有配体2,6-双（1-咪唑-2-基）吡啶（L）的新型铁（II）配位化合物，其组成如[FeL]SO·0.5HO、[FeL]Br·HO、FeL、[FeL]BH∙HO、[FeL]BH∙1.5HO。对80 - 600 K温度范围内μ(T)依赖性的分析表明，所有得到的配合物都表现出高温自旋交叉A ↔ T。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/28bc8693e275/molecules-27-05093-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/4153edf52faa/molecules-27-05093-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/bd8d93846182/molecules-27-05093-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/1a678da5e53e/molecules-27-05093-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/dc8743981b36/molecules-27-05093-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/56caef7c2403/molecules-27-05093-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/5c97f4d549a7/molecules-27-05093-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/28bc8693e275/molecules-27-05093-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/4153edf52faa/molecules-27-05093-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/bd8d93846182/molecules-27-05093-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/1a678da5e53e/molecules-27-05093-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/dc8743981b36/molecules-27-05093-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/56caef7c2403/molecules-27-05093-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/5c97f4d549a7/molecules-27-05093-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0b4e/9415506/28bc8693e275/molecules-27-05093-g006.jpg

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