HIGH-RESOLUTION SPECTRUM OF THE NU-1 FUNDAMENTAL-BAND OF ISOCYANIC ACID, HNCO

被引:21
作者
YAMADA, KMT
WINNEWISSER, M
JOHNS, JWC
机构
[1] UNIV GIESSEN,INST PHYS CHEM,W-6300 GIESSEN,GERMANY
[2] NATL RES COUNCIL CANADA,HERZBERG INST ASTROPHYS,OTTAWA K1A 0R6,ONTARIO,CANADA
关键词
D O I
10.1016/0022-2852(90)90147-I
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 ν1 fundamental band of HNCO has been recorded with high resolution using a Bomem FTIR spectrometer. The spectrum is so strongly perturbed by accidental resonances that a global fit using an effective Hamiltonian for asymmetric rotors has not been successful. The molecular parameters including the band origin have been determined by analyzing each Ka substate separately. The combination differences for the ground state allowed us to improve the ground state spectroscopic constants. © 1990.
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收藏
页码:353 / 372
页数:20
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