Raman scattering in hydrocarbon and fluorocarbon zigzag structures

Vladimir S. Gorelik; Ludmila I. Zlobina; Olga N. Sharts

doi:10.1117/12.411751

29 December 2000 Raman scattering in hydrocarbon and fluorocarbon zigzag structures

Vladimir S. Gorelik, Ludmila I. Zlobina, Olga N. Sharts

Proceedings Volume 4203, Biological Quality and Precision Agriculture II; (2000) https://doi.org/10.1117/12.411751
Event: Environmental and Industrial Sensing, 2000, Boston, MA, United States

Abstract

Raman spectra of hydrocarbon and fluorocarbin zigzag structure molecules are studied. The investigations have been fulfilled for following substances: C_nH_2n+2 (n equals 6, 7, 10), C_nH_2nO₂ (n equals 4, 5, 8, 10, 11, 13, 15, 18), C_nF_2n+1Br(n equals 6, 7, 8, 10, 14), for similar structures: H(CF₂)₁₀H, H(CF₂)₁₀CONH₂, F(CF₂)₅CO₂K and commercial products. The frequency shifts of some modes, corresponding to acoustical and optical vibrations, have been observed. The theory, explaining Raman modes frequency dependence on the length of zigzag molecule, is developed. The presence of characteristic isooctane line in Raman spectra of benzines is established. Molecular structure modification of sun- flower-seed oil as a result of technological preparation process has been observed. The obtained results allow detecting zigzag fluorocarbon and hydrocarbon molecules in media and estimating its length with the help of Raman scattering spectroscopy.

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Vladimir S. Gorelik, Ludmila I. Zlobina, and Olga N. Sharts "Raman scattering in hydrocarbon and fluorocarbon zigzag structures", Proc. SPIE 4203, Biological Quality and Precision Agriculture II, (29 December 2000); https://doi.org/10.1117/12.411751

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