Observation of the νCH excited vibrational levels in the (A)over-tilde1A" state of HCP by IR-UV double resonance spectroscopy

被引：8
作者：
Ishikawa, H [1 ]
Nagao, C [1 ]
Mikami, N [1 ]
机构：
[1] Tohoku Univ, Grad Sch Sci, Dept Chemotherapy, Aoba Ku, Sendai, Miyagi 9808578, Japan
来源：
JOURNAL OF MOLECULAR SPECTROSCOPY | 1999年 / 194卷 / 01期
关键词：
D O I：
10.1006/jmsp.1998.7757
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Rovibrational levels with one quantum of CH stretch mode, (1, nu(2), nu(3)), in the (A) over tilde(1)A " electronic state of HCP were observed for the first time by IR-W double resonance spectroscopy. Nine vibrational levels were identified in the energy region of 37 500-40 800 cm(-1). Perturbations similar to those in the (0, nu(2), nu(3)) levels were also observed in many of the vibrational levels. It was found that the CH stretch frequency in the (A) over tilde(1)A " State is reduced about 270 cm(-1) relative to that of the electronic ground state. (C) 1999 Academic Press.
引用
收藏
页码：52 / 60
页数：9
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