TUNABLE FAR-INFRARED LASER SPECTROSCOPY OF VANDERWAALS BONDS - THE JKC=1(0)[-0(0) SIGMA-BENDING VIBRATION OF AR- (NH-14)3

被引：34

作者：

GWO, DH ^{[1
]}

HAVENITH, M ^{[1
]}

BUSAROW, KL ^{[1
]}

COHEN, RC ^{[1
]}

SCHMUTTENMAER, CA ^{[1
]}

SAYKALLY, RJ ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,DIV MAT & CHEM SCI,BERKELEY,CA 94720

来源：

MOLECULAR PHYSICS | 1990年 / 71卷 / 02期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1080/00268979000101901

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hyperfine resolved spectra have been measured for the Ar-NH3 complex over the range 21-28 cm-1 using a tunable far-infrared laser in combination with a continuous planar supersonic jet. Twenty-three transitions are assigned to the lowest S-bending vibration (v0 = 26-470633(77) cm-1) from the (asymmetric) inversion level of the Σ, jkc = 00 internal rotor state of NH3 to the Σ, (10) symmetric inversion level. A nearly free-rotor model is used to deduce the zeroth-order intermolecular vibrational energy-level diagram and corresponding selection rules, which are used in assigning the spectra. All evidence obtained in this study supports the contention of Nelson et al. that NH3 is an inverting nearly free rotor in this T-shaped complex. © 1990 Taylor and Francis Ltd.

引用

页码：453 / 460

页数：8

共 16 条

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