Syntheses, crystal structures and MMCT properties of cyanidometal-bridged trinuclear Ru-Ru-Ru complexes

被引：0

作者：

Song, Ying ^{[1
,2
]}

Fu, Jin-Hui ^{[2
]}

Tan, Bing-Chang ^{[2
]}

Wang, Qian ^{[2
]}

Jiang, Long-Long ^{[2
]}

Wu, Xin-Tao ^{[2
]}

Sheng, Tian-Lu ^{[2
]}

机构：

[1] Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China

[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China

来源：

POLYHEDRON | 2023年 / 240卷

基金：

中国国家自然科学基金;

关键词：

Mixed-valence; Metal to metal charge transfer (MMCT); Cyanidometal-bridged; Class II; Ru; INTRAMOLECULAR ELECTRON-TRANSFER; COMMUNICATION; REDUCTION; MAGNET;

D O I：

10.1016/j.poly.2023.116446

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two pairs of cyanidometal-bridged trinuclear complexes trans-[Cp*(modppe)Ru(mu-NC)Ru(L)4(mu-CN)Ru(modppe) Cp*][PF6]n (n = 2, 3; L = pyridine (py), 1[PF6]n; 4-methoxypyridine (mopy), 2[PF6]n; Cp* = 1,2,3,4,5-pentam-ethylcyclopentadiene) in two distinct states have been synthesized and fully characterized. The investigated results suggest that 1[PF6]3 and 2[PF6]3 are Class II mixed valence complexes. The IR spectroscopy and UV-vis-NIR spectroscopy analyses showed that with the increase of the electron-donating ability of the auxiliary ligand of the cyanidometal bridge, the degree of delocalization increases and the energy of the metal-to-metal charge transfer (MMCT) of the mixed valence complexes decreases, supported by TDDFT calculations.

引用

页数：6

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