High-resolution FTIR spectroscopic analysis of the Coriolis interaction in the v7+v8 band of ethylene-cis-d2 (cis-C2H2D2)

被引：17

作者：

Tan, T. L. ^{[1
]}

Gabona, M. G. ^{[1
]}

机构：

[1] Nanyang Technol Univ, Natl Inst Educ, Singapore 637616, Singapore

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 2012年 / 275卷

关键词：

cis-C2H2D2 v(7) + V-8; Ethylene-cis-d(2); Ethylene isotopomer; High-resolution infrared spectrum; Rovibrational constants; FTIR study; INFRARED-SPECTRUM; FORCE FIELD; C2H4; CIS-D2-ETHYLENE; ETHYLENE; PLUME;

D O I：

10.1016/j.jms.2012.04.006

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：

The spectrum of the v(7) + v(8) band of ethylene-cis-d(2) (cis-C2H2D2) was recorded with a unapodized resolution of 0.0063 cm(-1) in the 1525-1675 cm(-1) region using a Fourier transform infrared (FTIR) spectrometer. Assignments of 536 transitions were made for this band centred at 1599.42009 +/- 0.00038 cm(-1). The v(7)+ v(8) band was found to be perturbed by the v(2) band through a c-type Coriolis resonance. Both perturbed and unperturbed transitions were fitted to give 12 rovibrational constants with high accuracy for the v(7)+ v(8)= 1 state with a standard deviation of 0.00099 cm(-1) using a Watson's A-reduced Hamiltonian in the I representation. From an analysis of the Coriolis interaction between the v(7)+ v(8) band and the v(2) band of cis-C2H2O2, the band centre of v(2) at 1572.795 +/- 0.025 cm(-1) was derived. Furthermore, the first-order c-type Coriolis coupling constant between the two bands was accurately obtained. (C) 2012 Elsevier Inc. All rights reserved.

引用

页码：5 / 8

页数：4

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