SPECTROSCOPIC CONSTANTS FOR THE 2.5 AND 3.0 MU-M BANDS OF ACETYLENE

被引:68
作者
LAFFERTY, WJ
PINE, AS
机构
[1] Molecular Physics Division, National Institute of Standards and Technology, Gaithersburg
关键词
D O I
10.1016/0022-2852(90)90159-N
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
Fourier-transform interferometer and difference-frequency laser spectra of acetylene have been recorded in the 2.5- and 3.0-μm regions, yielding improved rotation-vibration constants for the ν3 fundamental and its Fermi-resonant partner, ν2 + ν4 + ν5, for their associated hot bands originating in the ν4 and ν5 bends, and for the CH stretch-bend combination bands. An analysis of the Fermi resonance gives more reliable estimates for the deperturbed constants and the anharmonic coupling. © 1990.
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页码:223 / 230
页数:8
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