Syntheses, crystal structures and MMCT properties of cyanide-bridged binuclear Ru-Fe complexes

Li Su-Hua; Liu Yang; Yang Yu-Ying; Zhang Yu-Xiao; Xu Qing-Dou; Hu Sheng-Min; Wu Xin-Tao; Sheng Tian-Lu

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Syntheses, crystal structures and MMCT properties of cyanide-bridged binuclear Ru-Fe complexes

机译：氰化物桥接双核ru-Fe复合物的合成，晶体结构和MMCT性质

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摘要

In this report, two new binuclear mixed-valence (MV) compounds and their one-electron oxidation products, [MeCpLRu(mu-CN)Fe(dppe)Cp][PF6](n) (L = dppe, (PPh3)(2)) (n = 1, 2), were synthesized and thoroughly characterized by single-crystal X-ray diffraction analysis. Complexes 1(2+) and 2(2+) are one-electron oxidation products of 1(1+) and 2(+), respectively. The electronic absorption results indicate that there exists metal to metal charge transfer (MMCT) in the one-electron oxidation products, which is strongly supported by the theoretical calculations. Complexes 1(2+) and 2(2+) can be defined as Class II MV compounds. It is found that the MMCT band is obviously red-shifted on going from 1(2+) to 2(2+), because the donating electron ability of (PPh3)(2) is stronger than that of dppe. (C) 2019 Elsevier Ltd. All rights reserved.

机译：在本报告中，两种新的双核混合价（MV）化合物及其单电子氧化产物[Mecplru（MU-CN）Fe（DPPE）CP] [PF6]（N）（L = DPPE，（PPH3）（ 2））（n = 1,2），通过单晶X射线衍射分析合成并彻底表征。复合物1（2+）和2（2+）分别为1（1+）和2（+）的一电子氧化产物。电子吸收结果表明，在一个电子氧化产物中存在金属到金属电荷转移（MMCT），其被理论计算强烈支持。配合物1（2+）和2（2+）可定义为II类MV化合物。结果发现，MMCT带显然是红色移位，从1（2+）到2（2+），因为（PPH3）（2）的捐赠电子能力比DPPE更强。（c）2019 Elsevier Ltd.保留所有权利。

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来源
《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2019年第2019期|共7页
作者
Li Su-Hua; Liu Yang; Yang Yu-Ying; Zhang Yu-Xiao; Xu Qing-Dou; Hu Sheng-Min; Wu Xin-Tao; Sheng Tian-Lu;
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作者单位

Fuzhou Univ Coll Chem Fuzhou 350002 Fujian Peoples R China;

Fuzhou Univ Coll Chem Fuzhou 350002 Fujian Peoples R China;

Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类无机化学;
关键词
Mixed-valence; Metal to metal charge transfer (MMCT); Class II; Fe; Ru;

机译：混合价;金属到金属电荷转移（MMCT）;II级;FE;RU;

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Syntheses, crystal structures and MMCT properties of cyanide-bridged binuclear Ru-Fe complexes

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