Abstract
The title compound, C22H26N2O2, crystallizes with three independent molecules, two of which are situated on inversion centers, so the asymmetric unit contains two independent half-molecules and one molecule in a general position. The two hydroxy groups in each molecule are involved in intramolecular O—H⋯N hydrogen bonds, which generate S(6) rings. In the crystal, weak intermolecular C—H⋯π interactions link the molecules into two crystallographically independent columns propagating along [001]; one column consists of molecules in general positions, while the other column is built from alternating independent centrosymmetric molecules.
Highlights
The title compound, C22H26N2O2, crystallizes with three independent molecules, two of which are situated on inversion centers, so the asymmetric unit contains two independent halfmolecules and one molecule in a general position
The two hydroxy groups in each molecule are involved in intramolecular O—HÁ Á ÁN hydrogen bonds, which generate S(6) rings
Weak intermolecular C—HÁ Á Á interactions link the molecules into two crystallographically independent columns propagating along [001]; one column consists of molecules in general positions, while the other column is built from alternating independent centrosymmetric molecules
Summary
2,20-{[(1E,10E)-(Cyclohexane-1,4-diyl)bis(azanylylidene)]bis(ethan-1-yl-1-ylidene)}diphenol Key indicators: single-crystal X-ray study; T = 298 K; mean (C–C) = 0.008 A; R factor = 0.060; wR factor = 0.239; data-to-parameter ratio = 13.4. The title compound, C22H26N2O2, crystallizes with three independent molecules, two of which are situated on inversion centers, so the asymmetric unit contains two independent halfmolecules and one molecule in a general position. The two hydroxy groups in each molecule are involved in intramolecular O—HÁ Á ÁN hydrogen bonds, which generate S(6) rings. In the crystal, weak intermolecular C—HÁ Á Á interactions link the molecules into two crystallographically independent columns propagating along [001]; one column consists of molecules in general positions, while the other column is built from alternating independent centrosymmetric molecules. Related literature For applications of Schiff base ligands in coordination chemistry, see: Gao & Zheng (2002); Hamil et al (2012); Chu et al (2008); More et al (2001); Vigato & Tamburini (2004). For details of the synthesis, see: Huang et al (2008). b = 11.4718 (8) Ac = 17.9652 (13) A = 92.946 (3) = 95.521 (4) = 91.204 (3) V = 1849.3 (2) A 3
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