MICROWAVE SPECTRUM STRUCTURE AND DIPOLE MOMENT OF 1,3,4-SELENADIAZOLE

被引：11

作者：

LEVINE, DM

KRUGH, WD

GOLD, PL

机构：

[1] Department of Chemistry, The Pennsylvania State University, University Park

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 1969年 / 30卷 / 03期

基金：

俄罗斯科学基金会;

关键词：

D O I：

10.1016/0022-2852(69)90277-X

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：

Analysis of the microwave spectrum of 1,3,4-selenadiazole shows the molecule to be planar with C2v symmetry. Rotational constants of 80SeC2H2N2 in MHz are A = 8479.55 ± 2.06, B = 3342.64 ± 0.05, and C = 2396.37 ± 0.04; for 78SeC2H2N2, A = 8480.70 ± 1.20, B = 3372.69 ± 0.03, and C = 2411.80 ± 0.03. Stark effect measurements give a dipole moment of 3.40 ± 0.05 debye. An approximate structure assuming some bond lengths from 1,3,4-thiadiazole was fit to the observed moments of inertia giving a carbon-selenium bond length of 1.868 Å and a CSeC bond angle of 81.8°. © 1969.

引用

页码：459 / &

共 20 条

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