Abstract
The title compound, 2C21H34N4O3S2+·4I−·5H2O, was prepared exclusively as the E isomer by methylation of the corresponding N-phenylpyridin-4-amine. There are two symmetry-independent molecules in the asymmetric unit with no significant differences in bond lengths and angles. The aromatic rings are not coplanar with the pyridin-4-imine groups, as indicated by the C—N—C—C torsion angles of 47.7 (7) and 132.6 (5)°.
Highlights
The title compound, 2C21H34N4O3S2+Á4IÀÁ5H2O, was prepared exclusively as the E isomer by methylation of the corresponding N-phenylpyridin-4-amine
There are two symmetryindependent molecules in the asymmetric unit with no significant differences in bond lengths and angles
The aromatic rings are not coplanar with the pyridin-4-imine groups, as indicated by the C—N—C—C torsion angles of 47.7 (7) and 132.6 (5)
Summary
Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.007 A; R factor = 0.043; wR factor = 0.116; data-to-parameter ratio = 17.5. The title compound, 2C21H34N4O3S2+Á4IÀÁ5H2O, was prepared exclusively as the E isomer by methylation of the corresponding N-phenylpyridin-4-amine. There are two symmetryindependent molecules in the asymmetric unit with no significant differences in bond lengths and angles. The aromatic rings are not coplanar with the pyridin-4-imine groups, as indicated by the C—N—C—C torsion angles of 47.7 (7) and 132.6 (5). Related literature For background information see: Bjorkman & Bhattarai (2005); Yeates et al (2008). See: Lopes et al (2004); Wang et al (2008); Djedouani et al (2008)
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