Crystal structure of 2,7-diethoxy-1,8-bis(4-nitrobenzoyl)naphthalene

The title compound, C28H22N2O8, possesses crystallographically imposed twofold symmetry, with the two central carbon atoms of the naphthalene unit lying on the rotation axis. The two benzoyl groups in the molecule are twisted away from the attached naphthalene unit with a C—C—C=O torsion angle of 49...

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Bibliographic Details
Main Authors: Saki Mohri, Shinji Ohisa, Keiichi Noguchi, Noriyuki Yonezawa, Akiko Okamoto
Format: Article
Language:English
Published: International Union of Crystallography 2014-09-01
Series:Acta Crystallographica Section E
Subjects:
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536814018674
Description
Summary:The title compound, C28H22N2O8, possesses crystallographically imposed twofold symmetry, with the two central carbon atoms of the naphthalene unit lying on the rotation axis. The two benzoyl groups in the molecule are twisted away from the attached naphthalene unit with a C—C—C=O torsion angle of 49.05 (15)° between the naphthalene unit and the carbonyl group. The dihedral angle between the naphthalene ring system and the benzene ring is 77.17 (5)°. In the crystal, pairs of C—H...O=C hydrogen bonds link the molecules into a double-column structure along the c axis. The molecules are further linked by C—H...O=N hydrogen bonds, forming a three-dimensional network. C—H...π interactions between the methylene group and the naphthalene unit and π–π interactions between the naphthalene ring systems [centroid–centroid distances of 3.7858 (7)–3.7860 (7) Å] are also observed.
ISSN:1600-5368