Abstract
The asymmetric unit of the title compound, C20H24N2O6, contains one half-molecule, the complete molecule being generated by a crystallographic inversion centre. The molecule is nearly planar with a dihedral angle between the two benzene rings of 0.03 (4)° and the central C/N/N/C plane making a dihedral angle of 8.59 (7)° with each of its two adjacent benzene rings. The two methoxy groups at the ortho and meta positions are slightly twisted [C—O—C—C torsion angles = 7.23 (12) and 5.73 (13)°], whereas the methoxy group at the para position is almost coplanar with the attached benzene ring [C—O—C—C torsion angle = −2.02 (13)°]. The crystal structure is stabilized by a weak C—H⋯π interaction.
Highlights
The asymmetric unit of the title compound, C20H24N2O6, contains one half-molecule, the complete molecule being generated by a crystallographic inversion centre
The molecule is nearly planar with a dihedral angle between the two benzene rings of 0.03 (4) and the central C/N/N/C plane making a dihedral angle of 8.59 (7) with each of its two adjacent benzene rings
The two methoxy groups at the ortho and meta positions are slightly twisted [C—O—C—C torsion angles = 7.23 (12) and 5.73 (13) ], whereas the methoxy group at the para position is almost coplanar with the attached benzene ring [C—O—C—C torsion angle = 2.02 (13) ]
Summary
USM, Penang, Malaysia, bDepartment of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand, and cCrystal Materials Research Unit, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla
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