Authors: Laane, Jaan¹; Kiefer, Wolfgang²

Source: Applied Spectroscopy, Volume 35, Issue 3, Pages 255-334 (May/June 1981) , pp. 267-271(5)

Publisher: Society for Applied Spectroscopy

Abstract:

The application of Raman difference spectroscopy for the determination of the small frequency shifts arising from solvent effects has been demonstrated. Data are presented for benzene-carbon disulfide, benzene-pyridine, and acetone-chloroform mixtures. The majority of the solvent shifts measured are less than 1.0 cm⁻¹ and these can generally be determined with better than 10% accuracy using a rotating two-compartment liquid cell. The smallest shift measured in this work was 0.06 cm⁻¹. While statistical analysis indicates that uncertainties as small as ±0.01 cm⁻¹ can be obtained in many cases, artifacts may cause apparent shifts up to ±0.03 cm⁻¹.

Keywords: Methods, analytical; Raman spectroscopy; Techniques, spectroscopic

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702814732715

Affiliations: 1: Physikalisches Institut, Universität Bayreuth, 8580 Bayreuth, West Germany; on leave from Department of Chemistry, Texas A&M University, College Station, TX 77843 2: Physikalisches Institut, Universität Bayreuth, 8580 Bayreuth, West Germany

Publication date: 1981-05-01

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