Abstract
The title compound, C15H12I2N2O3, was synthesized by the condensation of equimolar amounts of 3,5-diiodosalicylaldehyde and 2-methoxybenzohydrazide in a methanol solution. There are two independent molecules, A and B, in the asymmetric unit. The dihedral angle between the two benzene rings is 30.2 (2)° for molecule A and 21.7 (2)° for molecule B. There are intramolecular O—H⋯N and N—H⋯O hydrogen bonds in each molecule. The crystal studied was an inversion twin with a 0.59 (3):0.41 (3) domain ratio.
Highlights
The title compound, C15H12I2N2O3, was synthesized by the condensation of equimolar amounts of 3,5-diiodosalicylaldehyde and 2-methoxybenzohydrazide in a methanol solution
H atoms treated by a mixture of independent and constrained refinement
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: SJ2624)
Summary
Key indicators: single-crystal X-ray study; T = 298 K; mean (C–C) = 0.012 A; R factor = 0.046; wR factor = 0.101; data-to-parameter ratio = 17.8. The title compound, C15H12I2N2O3, was synthesized by the condensation of equimolar amounts of 3,5-diiodosalicylaldehyde and 2-methoxybenzohydrazide in a methanol solution. There are two independent molecules, A and B, in the asymmetric unit. There are intramolecular O—HÁ Á ÁN and N— HÁ Á ÁO hydrogen bonds in each molecule. The crystal studied was an inversion twin with a 0.59 (3):0.41 (3) domain ratio. Related literature For background to Schiff bases and their complexes, see: Ali et al (2005). See: Yehye et al (2008a,b); Jing et al (2006); Ling et al (2008).
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