Abstract
The X-ray crystal structure ofd-β,β-dimethylcysteic acid, C5H11NO5S, has been determined. The compound is monoclinic, space groupP214 (No. 4), with cell dimensionsa=8.133(1),b=8.094(1),c=6.3138(7) Å,β=96.36(1)° andZ=2. The structure was solved by Patterson and electron density difference methods and refined toR=0.025,R w=0.022 for 1081 reflections. Bond lengths and angles do not differ from those in similar structures. The crystal is held together by intermolecular hydrogen bonds. The vibrational spectra have been recorded and assigned and the1 H and13C NMR spectra were measured.
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Calvo, A., Faggiani, R., Harvey, D.A. et al. D-β,β-dimethylcysteic acid, its preparation, structure, and spectroscopic properties. Journal of Crystallographic and Spectroscopic Research 14, 59–70 (1984). https://doi.org/10.1007/BF01161423
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DOI: https://doi.org/10.1007/BF01161423