Abstract
A co-crystal compound with the empirical formula of [C12H12N2‧C8H6O4], is hydrothermal synthesized from the reaction of 1,2-bis(4-pyridyl)ethane and 1,3-benzenedicarboxylic acid. The title compound contains one 1,3-benzenedicarboxylic acid molecule and one 1,2-bis(4-pyridyl)ethane molecule. The two pyridine rings of the 1,2-bis(4-pyridyl)ethane are twisted to each other by a dihedral angle of 13.24(9)∘. The 1,3-benzenedicarboxylic acid molecules are linked by O-H...N hydrogen bonds to 1,2-bis(4-pyridyl)ethane, forming linear hydrogen bonded chains parallel to [1 5 1]. The structure exhibits a hydrogen-bonding network involving COOH...N(pyridyl) , aryl group and carboxylic C-H...O non-classical hydrogen-bonding interactions. In addition, π-π stacking interactions [centroid-centroid distance = 3.7514(10) A, dihedral angles is 4.61 (9)∘] are also present.
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