Normal coordinate analysis of infrared and Raman spectra of syndiotactic poly(methyl methacrylate)

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Title:Normal coordinate analysis of infrared and Raman spectra of syndiotactic poly(methyl methacrylate)
Creators:
Dybal, Jiří
Journal or Publication Title:
Collection of Czechoslovak Chemical Communications, 56, 8, pp. 1653-1661

Abstract

Infrared and Raman spectra of crystalline <i>syndiotactic</i> poly(methyl methacrylate) have been analyzed by normal coordinate calculations, using a combined valence force field transferred from branched hydrocarbons and from methyl acetate. Calculations have been done for a single chain all-<i>trans</i> backbone structure of <i>syndiotactic</i> poly(methyl methacrylate) with parallel and antiparallel side-group orientations. The infrared and Raman bands observed can be satisfactorily interpreted on the basis of the calculated potential energy distributions. The best agreement between the calculated and experimental spectra has been found for the alternate <i>cis</i> and <i>trans</i> mutual orientations of the C=O and C-CH<sub>3</sub> bonds in subsequent monomeric units.

Title:Normal coordinate analysis of infrared and Raman spectra of syndiotactic poly(methyl methacrylate)
Creators:
Dybal, Jiří
Divisions:Life and Chemical Sciences > Institute of Organic Chemistry and Biochemistry > Collection of Czechoslovak Chemical Communications
Journal or Publication Title:Collection of Czechoslovak Chemical Communications
Volume:56
Number:8
Page Range:pp. 1653-1661
ISSN:0010-0765
E-ISSN:1212-6950
Publisher:Institute of Organic Chemistry and Biochemistry
Related URLs:
URLURL Type
http://dx.doi.org/10.1135/cccc19911653UNSPECIFIED
ID Code:5091
Item Type:Article
Deposited On:22 Feb 2010 11:30
Last Modified:22 Feb 2010 10:30

Citation

Dybal, Jiří (1991) Normal coordinate analysis of infrared and Raman spectra of syndiotactic poly(methyl methacrylate). Collection of Czechoslovak Chemical Communications, 56 (8). pp. 1653-1661. ISSN 0010-0765

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