VIBRATION WAVE-NUMBERS OF 4-AMINOBENZOTRIFLUORIDE IN THE GROUND AND S1 ELECTRONIC STATES FROM ITS SUPERSONIC JET S1-S0 FLUORESCENCE, INFRARED, AND RAMAN-SPECTRA

被引：1

作者：

RIBEIROCLARO, PJA ^{[1
]}

TEIXEIRADIAS, JJC ^{[1
]}

GORDON, RD ^{[1
]}

HOLLAS, JM ^{[1
]}

机构：

[1] UNIV READING,DEPT CHEM,READING RG6 2AD,BERKS,ENGLAND

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 1991年 / 149卷 / 01期

关键词：

D O I：

10.1016/0022-2852(91)90142-W

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：

Single vibronic level fluorescence (SVLF) spectra, in a supersonic jet, and infrared and Raman spectra of 4-aminobenzotrifluoride have been recorded and assigned to give, apart from some a2 vibrations, a complete set of fundamental vibration wavenumbers in the S0 electronic state. A supersonic jet fluorescence excitation spectrum has given some of the lower vibration wavenumbers in the S1 electronic state. Observation of the I20, NH2-inversion band in the SVLF spectrum agrees with the interpretation of the far infrared spectrum. Several CF3 torsional levels in S0 are populated, even in the supersonic jet, and one result of this is to allow the observation of vibrations which are of b1 symmetry in the C2v point group and which would be forbidden in the rigid molecule. © 1991.

引用

页码：34 / 44

页数：11

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