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. 2011 May 1;67(Pt 5):o1168.
doi: 10.1107/S1600536811011986. Epub 2011 Apr 16.

1-(Thio-phen-2-yl)ethanone thio-semi-carbazone

Papa Aly Gaye, Adama Sy, Aminata Diassé Sarr, Mohamed Gaye, Celine Besnard

1-(Thio-phen-2-yl)ethanone thio-semi-carbazone

Papa Aly Gaye et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The title compound, C(7)H(9)N(3)S(2), crystallizes with two unique mol-ecules in the unit cell, both present as thio-semicarbazide tautomers. The mol-ecules differ principally in the dihedral angles between the thio-phene ring planes and the planes through the non-H atoms of the hydrazinecarbothio-amide units, viz. 9.80 (8)° for one mol-ecule and 19.37 (7)° for the other. The hydrazinecarbothio-amide units are reasonably planar, with r.m.s. deviations of 0.001Å for each of the mol-ecules. In the crystal, N-H⋯S hydrogen bonds link like mol-ecules into R(2) (2)(8) inversion dimers. A three-dimensional network structure is generated by additional N-H⋯S hydrogen bonds and weak C-H⋯S contacts between the unique mol-ecules.

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Figures

Fig. 1.
Fig. 1.
The asymmetric unit of the title compound, showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 50% probability level.
Fig. 2.
Fig. 2.
Crystal packing of 1 viewed down the b axis. Hydrogen bonds are drawn as dashed lines.
See this image and copyright information in PMC

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