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Crystal structure of 2,3,5,6-tetra-kis[(methyl-sulfan-yl)meth-yl]pyrazine.


ABSTRACT: The title compound, C12H20N2S4, synthesized by the reaction of 2,3,5,6-tetra-kis-(bromo-meth-yl)pyrazine with sodium methane-thiol-ate, crystallizes with a half -mol-ecule in the asymmetric unit. The whole mol-ecule is generated by inversion symmetry; the inversion centre being located in the centre of the pyrazine ring. The mol-ecule has an S-shaped conformation with two (methyl-sulfan-yl)methyl substituent arms directed above the plane of the pyrazine ring and two below. The C(H3)-S-C(H2)-C(aromatic) torsion angles are 70.47?(18) and -67.65?(17)°, respectively. In the crystal, mol-ecules are linked via weak C-H?S hydrogen bonds, forming chains along [001] and enclosing R 2 (2)(12) ring motifs. The chains are linked by further weak C-H?S hydrogen bonds, forming sheets lying parallel to (101).

SUBMITTER: Assoumatine T 

PROVIDER: S-EPMC4186201 | biostudies-literature | 2014 Sep

REPOSITORIES: biostudies-literature

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Crystal structure of 2,3,5,6-tetra-kis[(methyl-sulfan-yl)meth-yl]pyrazine.

Assoumatine Tokouré T   Stoeckli-Evans Helen H  

Acta crystallographica. Section E, Structure reports online 20140801 Pt 9


The title compound, C12H20N2S4, synthesized by the reaction of 2,3,5,6-tetra-kis-(bromo-meth-yl)pyrazine with sodium methane-thiol-ate, crystallizes with a half -mol-ecule in the asymmetric unit. The whole mol-ecule is generated by inversion symmetry; the inversion centre being located in the centre of the pyrazine ring. The mol-ecule has an S-shaped conformation with two (methyl-sulfan-yl)methyl substituent arms directed above the plane of the pyrazine ring and two below. The C(H3)-S-C(H2)-C(ar  ...[more]

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