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
收藏
页码：1260 / 1262
页数：3
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