STIMULATED RAMAN-SPECTRA OF JET-COOLED ETHYLENE

被引：5

作者：

ABAD, L

BERMEJO, D

ESCRIBANO, R

HERRERO, VJ

SANTOS, J

TANARRO, I

NIVELLINI, GD

RAMONAT, L

机构：

[1] DIPARTIMENTO CHIM FIS & INORGAN,I-40136 BOLOGNA,ITALY

[2] MAX PLANCK INST STROMUNGSFORSCH,D-37073 GOTTINGEN,GERMANY

来源：

CHEMICAL PHYSICS LETTERS | 1994年 / 227卷 / 03期

关键词：

D O I：

10.1016/0009-2614(94)00816-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have recorded stimulated Raman spectra of the central region of the nu1 band of ethylene, both in a jet at temperatures down to almost-equal-to 25 K, and in a static cell at room temperature and at almost-equal-to 173 K. The rotational temperatures of the jet are estimated by computer simulation of the observed spectra. Only Q branches are recorded in this experiment. A vib-rotational analysis is performed and improved values are obtained for the band origin and the rotational constants of the nu1 = 1 state of this molecule. Some perturbations are found to affect the rotational levels of this state.

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页码：248 / 254

页数：7

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