HETEROATOM DERIVATIVES OF INDENE ..2. VIBRATIONAL-SPECTRA OF BENZOTHIOPHENE AND BENZOTHIAZOLE

被引：25

作者：

KLOTS, TD

COLLIER, WB

机构：

[1] BDM-Oklahoma Inc., National Institute for Petroleum and Energy Research, Bartlesville, OK 74005

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1995年 / 51卷 / 08期

关键词：

D O I：

10.1016/S0584-8539(99)80001-4

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Vibrational spectra of benzothiophene and benzothiazole in the gas and liquid states are examined using FTIR and Raman spectroscopy in the region from 100 to 4000 cm(-1). Polarization measurements of the vibrations in the liquid are taken using Raman spectroscopy. All of the fundamentals are assigned and a nearly complete set of vapor wavenumbers is obtained for both molecules. The establishment of the two far-IR fundamentals for benzothiophene and benzothiazole should significantly improve the agreement between the calorimetric and spectroscopically calculated ideal-gas entropies. The vapor-phase spectra reveal a few cases of minor Fermi resonance. The vapor-liquid wavelength shifts are discussed, including the difference between the planar and non-planar modes.

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页码：1273 / 1290

页数：18

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