Variable low-temperature FTIR study of crystalline sugars

E. T.G. Lutz; John H. van der Maas; F. B. van Duijneveldt; J. A. Kanters; J. Baran; H. Ratajczak

doi:10.1117/12.56391

1 March 1992 Variable low-temperature FTIR study of crystalline sugars

E. T.G. Lutz, John H. van der Maas, F. B. van Duijneveldt, J. A. Kanters, J. Baran, H. Ratajczak

Proceedings Volume 1575, 8th Intl Conf on Fourier Transform Spectroscopy; (1992) https://doi.org/10.1117/12.56391
Event: Eighth International Conference on Fourier Transform Spectroscopy, 1991, Lubeck-Travemunde, Germany

Abstract

The complex chains of hydrogen bonds of (Beta) -L-arabinose (I), methyl (alpha) -D- glucopyranoside (II) and di-(Beta) -D-fructopyranose 1,2':2,1'-dianhydride (III) in the crystalline state have been studied at variable low temperature. In addition to the increase of information showing up in the overall region upon cooling, the effect on intensity, bandshape and bandmaximum has also been studied. Most surprising is the contradictive behavior of the shift of the band maxima of methyl (alpha) -D-glucopyranoside, for which an increase is observed for the 'free' OH group, while H-bonds absorbing at lower wave-numbers are red shifted. Deuterium exchange experiments show the presence of vibrational coupling in the crystal of II whereas this phenomenon is absent in III.

Citation Download Citation

E. T.G. Lutz, John H. van der Maas, F. B. van Duijneveldt, J. A. Kanters, J. Baran, and H. Ratajczak "Variable low-temperature FTIR study of crystalline sugars", Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); https://doi.org/10.1117/12.56391

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