Abstract
The asymmetric unit of the title compound, C8H11ClN4, contains two independent molecules (A and B) with slightly different conformations: the dihedral angles between the 3-chloro-6-hydrazinylpyridazine units and butyl side chains are 4.5 (2) and 11.98 (16)°. In the crystal, the A and B molecules are linked by a pair of N—H⋯N hydogen bonds, generating an R 2 2(8) loop.
Highlights
The asymmetric unit of the title compound, C8H11ClN4, contains two independent molecules (A and B) with slightly different conformations: the dihedral angles between the 3chloro-6-hydrazinylpyridazine units and butyl side chains are 4.5 (2) and 11.98 (16)
The A and B molecules are linked by a pair of N—HÁ Á ÁN hydogen bonds, generating an R22(8) loop
The authors acknowledge the provision of funds for the purchase of the diffractometer and encouragement by Dr Muhammad Akram Chaudhary, Vice Chancellor, University of Sargodha, Pakistan
Summary
Key indicators: single-crystal X-ray study; T = 296 K; mean (C–C) = 0.003 A; R factor = 0.035; wR factor = 0.099; data-to-parameter ratio = 15.0. The asymmetric unit of the title compound, C8H11ClN4, contains two independent molecules (A and B) with slightly different conformations: the dihedral angles between the 3chloro-6-hydrazinylpyridazine units and butyl side chains are 4.5 (2) and 11.98 (16). The A and B molecules are linked by a pair of N—HÁ Á ÁN hydogen bonds, generating an R22(8) loop. Related literature For related structures, see: Ather et al (2009, 2010). See: Bernstein et al (1995)
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