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The crystal structure of L,L-diphenylalanine (C18H20N2O3⋅xH2O) is investigated by polarized Raman spectroscopy at temperatures from 303 to 443 K over the spectral range 35–3300 cm−1. This dipeptide crystallizes in a tubular arrangement filled by water molecules, maintained by helical π–π stacking (phenyl…phenyl) interactions and intermolecular hydrogen bonds. We investigate the rearrangement of the...
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