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Champ de force de valence et modes normaux de vibration de la glycylglycine et du monochlorhydrate monohydrate de glycylglycine
- Source :
- Canadian Journal of Chemistry. 52:2590-2602
- Publication Year :
- 1974
- Publisher :
- Canadian Science Publishing, 1974.
-
Abstract
- The valence force field and normal modes of vibration of α-glycylglycine have been calculated using the vibrational spectra of ten isotopic derivatives, selectively labeled with deuterium or nitrogen-15. It is shown that this force field permits the determination of the frequencies of glycylglycine-hydrochloride in the solid state, despite a structure very different from that of the zwitterion. The agreement is particularly satisfying for those modes of vibration most sensitive to molecular conformation. It is thus possible to use this type of calculation to determine the conformation of an oligopeptide.
Details
- ISSN :
- 14803291 and 00084042
- Volume :
- 52
- Database :
- OpenAIRE
- Journal :
- Canadian Journal of Chemistry
- Accession number :
- edsair.doi...........9da5582661335399ef877df9ff4361a8