Crystal structure and Hirshfeld surface analysis of 6,6 '-((1E, 1 ' E)-{[1 ,4-phenylenebis(methylene)]bis-(azanylylidene)]bis(methaneylylidene)bis(2-meth-oxyphenol)
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, vol.78, pp.84-91, 2022 (ESCI, Scopus)
- Publication Type: Article / Article
- Volume: 78
- Publication Date: 2022
- Doi Number: 10.1107/s2056989021013347
- Journal Name: ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS
- Journal Indexes: Emerging Sources Citation Index (ESCI), Scopus
- Page Numbers: pp.84-91
- Keywords: crystal structure, tetradentate salen-type, Schiff base, phenol-imine tautomer, Hirshfeld surface analysis, BOND
- Open Archive Collection: AVESIS Open Access Collection
- Ondokuz Mayıs University Affiliated: Yes
Abstract
The Schiff base compound, C24H24N2O4, was synthesized by the interaction of 2-hydroxy-3-methoxy benzaldehyde and 1,4-benzene dimethanamine in ethanol, and crystallizes in the monoclinic space group P2(1)/n with Z' = 0.5. The molecule is not planar, the 1,4-diethylbenzene and the phenol rings are twisted with respect to each other, making a dihedral angle of 74.27 (5)degrees. The molecular structure is stabilized by an O-H center dot center dot center dot N hydrogen bond, forming an S(6) ring motif. In the crystal, molecules are linked by C-H center dot center dot center dot O hydrogen bonds, resulting in the formation of sheets parallel to the be plane. A Hirshfeld surface analysis was undertaken to investigate the various intermolecular contacts controlling the supramolecular topology, suggesting the H center dot center dot center dot O (18%) contacts to be the most significant interactions, whereas the H center dot center dot center dot H (50.5%) and C center dot center dot center dot H (24.3%) interactions are less significant.