Raman Spectra of n-Butane, Isobutane, n-Pentane, and Isopentane in a Methane Environment
Journal Article
·
· Optics and Spectroscopy
- Russian Academy of Sciences, Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch (Russian Federation)
We have studied the particular features of the Raman spectra of gaseous n-butane, isobutane, n-pentane, and isopentane in a methane medium at a pressure of 25 atm. It has been found that, under these conditions, changes in the conformational equilibria of these molecules are negligible, and most significant changes in the spectra are observed in the range of 2850–3000 cm{sup –1}, in which bands corresponding to the stretching vibrations of CH{sub 2} and CH{sub 3} groups shift to lower frequencies. The data obtained will be usefull in determining the composition of natural gas using Raman spectroscopy.
- OSTI ID:
- 22786348
- Journal Information:
- Optics and Spectroscopy, Journal Name: Optics and Spectroscopy Journal Issue: 1 Vol. 125; ISSN 0030-400X; ISSN OPSUA3
- Country of Publication:
- United States
- Language:
- English
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