The correlation between O\u2014H stretching frequencies and hydrogen bond distances in a crystalline sugar monohydrate

The Raman and infrared spectra of crystalline methyl 3,6-dideoxy-\u3b2-D-ribo-hexopyranoside monohydrate in the O\u2014H stretching region have been studied at room temperature and lower temperatures. Four bands have been identified and correlated with the corresponding O\u2002\u2026\u2002O distances of the four distinct hydrogen bonds obtained from X-ray data. The assignments were substantiated by a deuterium isotopic dilution study.On a \ue9tudi\ue9, \ue0 la temp\ue9rature ambiante et \ue0 de plus basses temp\ue9ratures, les spectres Raman et infra rouge du m\ue9thyle 3,6-did\ue9soxy-\u3b2-D-ribo-hexopyranoside monohydrate cristalline dans la r\ue9gion d'\ue9longation du O\u2014H. On a identifi\ue9 4 bandes et on les a reli\ue9 aux distances O\u2002\u2026\u2002O correspondantes de 4 liaisons hydrog\ue8nes distinctes obtenues \ue0 partir des donn\ue9es des rayons X. On a corrobor\ue9 ces assignations par l'\ue9tude de dilution isotopique du deut\ue9rium.Peer reviewed: YesNRC publication: Ye