Mid-infrared spectrum of [Ru(phen)3]2+*

被引：24
|
作者：
Omberg, KM
Schoonover, JR
Bernhard, S
Moss, JA
Treadway, JA
Kober, EM
Dyer, RB
Meyer, TJ
机构：
[1] Univ Calif Los Alamos Natl Lab, Chem Sci & Technol Div, Biosci & Biotechnol Grp CST4, Los Alamos, NM 87545 USA
[2] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
来源：
INORGANIC CHEMISTRY | 1998年 / 37卷 / 14期
关键词：
D O I：
10.1021/ic971554e
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Time-resolved infrared spectra in the fingerprint region (1300-1700 cm(-1)) are reported for the metal-to-ligand charge-transfer (MLCT) excited state(s) of [Ru(phen)(3)](2+)* and [Os(phen)(DAS)(2)](2+)* (phen is 1,10-phenanthroline; DAS is 1,2-bis(diphenylarsino)ethane) in acetonitrile-d(3) at 298 K. The spectra are assigned by comparison to electrochemically generated [Ru-III(phen)(3)](3+) and [Ru-II(phen(.-))(phen)(2)](+). The data provide clear evidence for the localized description [Ru-III(phen(.-))(phen)(2)](2+)* on the similar to 100 ns time scale. They also give insight into electronic distribution in the excited state, aid in the interpretation of the time-resolved resonance Raman spectrum of [Ru(phen)(3)](2+)*, and suggest why measuring ground- and excited-state resonance Raman spectra of phen complexes is difficult.
引用
收藏
页码：3505 / 3508
页数：4
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