MOLECULAR-BEAM OPTOTHERMAL SPECTROSCOPY OF THE 9.6-MU-M NU-14-BAND OF BENZENE

被引：38

作者：

JUNTTILA, ML ^{[1
]}

DOMENECH, JL ^{[1
]}

FRASER, GT ^{[1
]}

PINE, AS ^{[1
]}

机构：

[1] NATL INST STANDARDS & TECHNOL,DIV MOLEC PHYS,GAITHERSBURG,MD 20874

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 1991年 / 147卷 / 02期

关键词：

D O I：

10.1016/0022-2852(91)90074-K

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 ν14 ℓ1u fundamental band of C6H6 has been recorded with sub-Doppler resolution under collisionless low-temperature molecular-beam conditions using bolometric detection of molecules excited by tunable microwave sidebands of a Lamb-dip-stabilized CO2 laser. The sidebands cover about 40% of the spectrum between laser lines in which 117 transitions for J, K ≤ 11 have been observed and fit to a precision of ±24 kHz, yielding improved ground and excited state rotational constants with nearly microwave accuracy. Our measured ground state rotational constant, B0 = 0.189 773 89 (3) cm-1, is compared with several disparate values reported previously. © 1991.

引用

页码：513 / 520

页数：8

共 19 条

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