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Acta Cryst. (2013). E69, o1067-o1068  [ doi:10.1107/S1600536813015134 ]

A co-crystal of 1,10-phenanthroline with boric acid: a novel aza-aromatic complex

A. Mirjafari, L. Pham, P. J. Smith, R. E. Sykora and J. H. Davis

Abstract: The title compound, C12H8N2·2B(OH)3, is best described as a host-guest complex in which the B(OH)3 molecules form a hydrogen-bonded cyclic network of layers parallel to the ab plane into which the 1,10-phenanthroline molecules are bound. An extensive network of hydrogen bonds are responsible for the crystal stability. No [pi]-stacking interactions occur between the 1,10-phenanthroline molecules.

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