The Raman Spectrum of Arsenic Trifluoride and the Molecular Constants of AsF3, AsCl3 and PCl3

被引：21

作者：

Yost, Don M. ^{[1
]}

Sherborne, John E. ^{[1
]}

机构：

[1] CALTECH, Gates Chem Lab, Pasadena, CA USA

来源：

JOURNAL OF CHEMICAL PHYSICS | 1934年 / 2卷 / 03期

关键词：

D O I：

10.1063/1.1749432

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：

The Raman spectrum of AsF3 was found to consist of four lines with the frequencies omega(1)(1), 707; omega(2)(1), 341; omega(3)(2), 644; and omega(4)(2), 274 cm(-1). The selection rules require a pyramidal molecule. Electron diffraction data for AsF3, AsCl3 and PCl3 are used to establish the bond angles. The entropies of the three trihalides were calculated, and the standard free energies of formation of AsCl3(l) and AsCl3(g) were determined to be -65,190 cal. and -62,718 cal., respectively, at 25 degrees.

引用

页数：3