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10-Benzoylphenanthrene-8,9-dicarboxylic anhydride
- Source :
- Acta Crystallographica Section E, Vol 66, Iss 1, Pp o131-o131 (2010)
- Publication Year :
- 2010
- Publisher :
- International Union of Crystallography, 2010.
-
Abstract
- The asymmetric unit of the title compound, C23H12O4, contains two nearly parallel independent molecules; the dihedral angles between the phenanthrene ring systems of the two molecules and between the benzene rings of the two molecules are 4.97 (9) and 8.1 (2)°, respectively. In each molecule, the benzene ring is nearly perpendicular to the phenanthrene ring system, with dihedral angles of 86.42 (19) and 86.68 (18)°. π–π stacking exists between the phenanthrene ring systems of the two independent molecules [centroid–centroid distance = 3.698 (2) Å]. Short intermolecular contacts [O...O = 2.86 (2) and C...O = 2.88 (2) Å] are also present in the crystal structure.
- Subjects :
- Crystallography
QD901-999
Subjects
Details
- Language :
- English
- ISSN :
- 16005368
- Volume :
- 66
- Issue :
- 1
- Database :
- Directory of Open Access Journals
- Journal :
- Acta Crystallographica Section E
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.b6afebd9c0934e67adf35e34bed6a3fc
- Document Type :
- article
- Full Text :
- https://doi.org/10.1107/S1600536809052684