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2-Amino-benzoic acid-4,4'-bi-pyridine (2/1).

ABSTRACT: The asymmetric unit of title co-crystal, C10H8N2·2C7H7NO2, comprises a centrosymmetric 4,4'-bi-pyridine mol-ecule, and a 2-amino-benzoic acid mol-ecule in a general position. The latter is effectively planar [C-C-C-O torsion angle = 5.0?(3)°] owing to an intra-molecular N-H?O(carbon-yl) hydrogen bond. Three-mol-ecule aggregates are formed via O-H?N(pyrid-yl) hydrogen bonds and these are connected into supra-molecular layers in the bc plane by N-H?O(carbon-yl) hydrogen bonds and ?-? inter-actions between pyridyl and benzene rings [inter-centroid distance = 3.634?(2)?Å]. Layers are connected along the a axis by weak ?-? inter-actions between benzene rings [3.964?(2)?Å].

SUBMITTER: Arman HD

PROVIDER: S-EPMC3884472 | biostudies-other | 2013

REPOSITORIES: biostudies-other

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2-Amino-benzoic acid-4,4'-bi-pyridine (2/1).

Arman Hadi D HD Tiekink Edward R T ER

Acta crystallographica. Section E, Structure reports online 20130817 Pt 9

The asymmetric unit of title co-crystal, C10H8N2·2C7H7NO2, comprises a centrosymmetric 4,4'-bi-pyridine mol-ecule, and a 2-amino-benzoic acid mol-ecule in a general position. The latter is effectively planar [C-C-C-O torsion angle = 5.0 (3)°] owing to an intra-molecular N-H⋯O(carbon-yl) hydrogen bond. Three-mol-ecule aggregates are formed via O-H⋯N(pyrid-yl) hydrogen bonds and these are connected into supra-molecular layers in the bc plane by N-H⋯O(carbon-yl) hydrogen bonds and π-π inter-actions ...[more]

PMID: 24427074

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