Biradha, K. ; Zaworotko, M. J. ; Nangia, A. ; Desiraju, G. R. (1997) 2,6-dibenzoyl-1,4-benzoquinone Acta Crystallographica Section C: Crystal Structure Communications, 53 . pp. 1653-1655. ISSN 0108-2701

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Official URL: http://scripts.iucr.org/cgi-bin/paper?fg1318

Related URL: http://dx.doi.org/10.1107/S0108270197007579


In contrast to the stacking characteristic of quinones, the title compound, C20H12O4, forms a two-dimensional network of C-H···O hydrogen bonds. The molecule has an unsymmetrical butterfly shape with the two benzoyl O atoms lying out of the plane of the quinonoid ring. The unusual conformation is a result of the crystal packing and the numerous weak hydrogen bonds.

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