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    Acta Crystallogr Sect E Struct Rep Online. 2009 Dec 12;66(Pt 1):o134. doi: 10.1107/S1600536809053008.

    A monoclinic polymorph of cysteamine hydro-chloride.

    Abstract

    THE TITLE COMPOUND (SYSTEMATIC NAME: 2-mercaptoethan-aminium chloride), C(2)H(8)NS(+)·Cl(-), the hydro-chloride salt of cysteamine, in contrast to the previously reported triclinic polymorph [Kim et al. (2002 ▶). Polyhedron, 21, 225-228], crystallized in the monoclinic crystal system. In the crystal, the cysteaminium cations are linked to the chloride anions via one S-H⋯Cl and three N-H⋯Cl hydrogen bonds. Two-dimensional slab-like networks are formed, which are stacked in [100]. This arrangement is similar to that observed in the triclinic polymorph.

    PMID:
    21580025
    [PubMed]
    PMCID:
    PMC2980242
    Free PMC Article

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