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. 2013 Jun 22;69(Pt 7):o1141.
doi: 10.1107/S1600536813016917. eCollection 2013.

N'-[(E)-4-Bromo-benzyl-idene]pyrazine-2-carbohydrazide

Affiliations

N'-[(E)-4-Bromo-benzyl-idene]pyrazine-2-carbohydrazide

Shahid Hameed et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound, C12H9BrN4O, the N'-methyl-idene-pyrazine-2-carbohydrazide and 4-bromobenzene groups are oriented at a dihedral angle of 10.57 (7)°. The hydrazide N-H group is involved in intra-molecular N-H⋯N inter-action, which generates an S(5) motif. A short C-H⋯O inter-action is formed between the methyl-idene H atom and the carbonyl O atom. It connects mol-ecules into chains extending along [100]. In addition, mol-ecules are arranged into stacks extending along [010] via π-π inter-actions between pyrazine and benzene rings, with centroid-centroid distances of 3.837 (2) and 3.860 (2) Å.

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Figures

Fig. 1.
Fig. 1.
View of the title compound with the displacement ellipsoids drawn at the 50% probability level. H atoms are shown by small circles of arbitrary radii.
Fig. 2.
Fig. 2.
Packing diagram of the title compound showing S(5) motif and C(6) chains along [1 0 0].

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