HYPERFINE-STRUCTURE IN THE (0,0,0) (X)TILDE(2)SIGMA+ STATE OF CAOH OBSERVED BY PUMP-PROBE MICROWAVE OPTICAL DOUBLE-RESONANCE

被引：30
|
作者：
SCURLOCK, CT
FLETCHER, DA
STEIMLE, TC
机构：
[1] Department of Chemistry, Arizona State University, Tempe
来源：
JOURNAL OF MOLECULAR SPECTROSCOPY | 1993年 / 159卷 / 02期
关键词：
D O I：
10.1006/jmsp.1993.1133
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：
A pump/probe microwave-optical double resonance experiment has been performed on calcium monohydroxide, CaOH, using the technique of laser ablation/supersonic expansion for production of the compound. Frequencies associated with the three lowest pure rotational transitions in the (0,0,0) X̃2Σ+ vibronic state were observed with a resolution of &80 kHz (FWHM) and were analyzed to give the spectroscopic parameters (in MHz): B = 10023.0841(7), D = 0.01154(5), γ = 34.7593(10), bF(H) = 2.602(3), c(H) = 2.053(10). The proton hyperfine interactions were interpreted in terms of a molecular orbital description for the X̃2Σ+ state. © 1993 Academic Press, Inc.
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页码：350 / 356
页数：7
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