期刊
JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS
卷 19, 期 6, 页码 1111-1120出版社
ADENINE PRESS INC
DOI: 10.1080/07391102.2002.10506814
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Raman and mid-infrared (MIR) spectra have been recorded for crystalline cytidine at pressures up to 10 GPa at room temperature. Broadening and positive wavenumber shifts are observed for most of the Raman and MIR peaks with increasing pressure. However, some of the MIR peaks associated with hydrogen-stretching modes display a negative wavenumher shift as a result of charge transfer effects. Evidence of a phase transition near 4 GPa is presented and attributed to a change in the conformation of the five membered sugar ring.
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