Magnetic Circular Dichroism and Electronic Structure of [Re2X4(PMe3)4]+ (X = Cl, Br)

被引：2

作者：

Habel-Rodriguez, Diana ^{[1
]}

Poineau, Frederic ^{[2
]}

Johnstone, Erik V. ^{[2
]}

Czerwinski, Kenneth R. ^{[2
]}

Sattelberger, Alfred P. ^{[2
,3
]}

Kirk, Martin L. ^{[1
]}

机构：

[1] Univ New Mexico, Dept Chem & Chem Biol, Albuquerque, NM 87131 USA

[2] Univ Nevada, Dept Chem, Las Vegas, NV 89154 USA

[3] Argonne Natl Lab, Energy Engn & Syst Anal Directorate, Lemont, IL 60439 USA

来源：

INORGANIC CHEMISTRY | 2014年 / 53卷 / 03期

基金：

美国国家科学基金会;

关键词：

METAL-METAL BONDS; QUADRUPLE BONDS; SPECTRA; COMPLEXES; ENERGIES; BAND;

D O I：

10.1021/ic4028139

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Magnetic circular dichroism (MCD) and electronic absorption spectroscopies have been used to probe the electronic structure of the classical paramagnetic metal-metal-bonded complexes [Re2X4(PMe3)(4)](+) (X = Cl, Br). A violation of the MCD sum rule is observed that indicates the presence of ground-state contributions to the MCD intensity. The z-polarized delta -> delta* band in the near-IR is formally forbidden in MCD but gains intensity through a combination of ground- and excited-state mechanisms to yield a positive C term.

引用

页码：1260 / 1262

页数：3

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