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      Crystal structure of a monoclinic polymorph of 5-amino-1,3,4-thia­diazol-2(3 H)-one

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          Abstract

          The title compound, C 2H 3N 3OS, is a monoclinic ( P2 1/ c) polymorph of the previously reported triclinic structure [Kang et al. (2012 ). Acta Cryst. E 68, o1198]. The asymmetric unit contains two independent mol­ecules which are essentially planar, with r.m.s. deviations of 0.001 and 0.032 Å from the mean plane defined by the seven non-H atoms. In the crystal, N—H⋯N and N—H⋯O hydrogen bonds link the mol­ecules into a sheet parallel to (111).

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          Author and article information

          Journal
          Acta Crystallogr Sect E Struct Rep Online
          Acta Crystallogr Sect E Struct Rep Online
          Acta Cryst. E
          Acta Crystallographica Section E: Structure Reports Online
          International Union of Crystallography
          1600-5368
          01 September 2014
          01 August 2014
          01 August 2014
          : 70
          : Pt 9 ( publisher-idID: e140900 )
          : o922
          Affiliations
          [a ]Department of Chemistry, Chungnam National University, Daejeon 305-764, Republic of Korea
          Author notes
          Correspondence e-mail: skkang@ 123456cnu.ac.kr
          Article
          tk5326 ACSEBH S1600536814016055
          10.1107/S1600536814016055
          4186073
          6c1ae754-1348-47b2-a547-9b14cbfa48c9
          © Kim and Kang 2014

          This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.

          History
          : 07 July 2014
          : 09 July 2014
          Categories
          Data Reports

          Materials characterization
          crystal structure,polymorph,thia­diazolone,hydrogen bonds
          Materials characterization
          crystal structure, polymorph, thia­diazolone, hydrogen bonds

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