Characterization of silicon-carbon clusters by infrared laser spectroscopy. The nu 1 band of SiC4

Chem Phys Lett. 1995 May 5:237:77-80. doi: 10.1016/0009-2614(95)00279-d.

Abstract

The nu 1 fundamental vibration of linear SiC4 has been observed by infrared diode laser spectroscopy of a supersonic cluster beam. Twenty-four rovibrational transitions were measured in the spectral region of 2094.6 to 2097.1 cm-1, the rotational temperature was 10 K. A combined least-squares fit of these transitions with previously reported microwave data yielded the following molecular constants: nu 1 = 2095.45806(37) cm-1, B" = 0.051161131(52) cm-1, and B' = 0.0509157(96) cm-1. These results are compared to vibrational spectroscopy measurements of SiC4 trapped in a solid Ar matrix and to ab initio calculations.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Argon
  • Astronomy / methods
  • Carbon / chemistry*
  • Carbon Compounds, Inorganic*
  • Chemistry Techniques, Analytical / methods
  • Cosmic Dust / analysis*
  • Lasers*
  • Silicon Compounds / chemistry*
  • Spectrophotometry, Infrared / methods*

Substances

  • Carbon Compounds, Inorganic
  • Cosmic Dust
  • Silicon Compounds
  • Argon
  • Carbon
  • silicon carbide