https://www.selleckchem.com/pr....oducts/stat3-in-1.ht
We investigate glycine microsolvation with water molecules, mimicking astrophysical conditions, in our laboratory by embedding these clusters in helium nanodroplets at 0.37 K. We recorded mass selective infrared spectra in the frequency range 1500-1800 cm^-1 where two bands centered at 1630 and 1724 cm^-1 were observed. By comparison with the extensive accompanying calculations, the band at 1630 cm^-1 was assigned to the COO^- asymmetric stretching mode of the zwitter ion and the band at 1724 cm^-1 was assigned to redshifted C=O
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