Abstract
The asymmetric unit of the title compound, C12H12N2·C7H7NO2, contains two 3-aminobenzoic acid molecules and two 1,2-bis(4-pyridyl)ethane molecules. In the two 1,2-bis(4-pyridyl)ethane molecules, the dihedral angles between the pyridyl rings are 2.99 (9) and 46.78 (8)°. In the crystal, the molecules associate through amine and carboxyl group N—H⋯O=C interactions between one of the 3-aminobenzoic acid molecules and one of the 1,2-bis(4-pyridyl)ethane molecules, generating R 2 2(14) dimers, which are extended head-to-tail via amine and pyridine N—H⋯N hydrogen bonds. Intermolecular O—H⋯N, N—H⋯O, N—H⋯N and C—H⋯O hydrogen bonding are observed in the crystal structure. C—H⋯π and π–π stacking interactions [centroid–centroid distance = 3.9985 (10) Å] are also present.
Highlights
The asymmetric unit of the title compound, C12H12N2C7H7NO2, contains two 3-aminobenzoic acid molecules and two 1,2-bis(4-pyridyl)ethane molecules
H atoms treated by a mixture of independent and constrained refinement max = 0.57 e Å3
Cg5 is the centroid of the C2–C7 ring
Summary
Refinement a Department of Biotechnology, Yuanpei University, HsinChu, Taiwan 30015, People’s Republic of China, and bDepartment of Medical Laboratory Science. H atoms treated by a mixture of independent and constrained refinement max = 0.57 e Å3. Cg5 is the centroid of the C2–C7 ring. The asymmetric unit of the title compound, C12H12N2C7H7NO2, contains two 3-aminobenzoic acid molecules and two 1,2-bis(4-pyridyl)ethane molecules. In the two 1,2-bis(4pyridyl)ethane molecules, the dihedral angles between the pyridyl rings are 2.99 (9) and 46.78 (8). The molecules associate through amine and carboxyl group N—. H O C interactions between one of the 3-aminobenzoic acid molecules and one of the 1,2-bis(4-pyridyl)ethane molecules, generating R22(14) dimers, which are extended head-totail via amine and pyridine N—H N hydrogen bonds. H O hydrogen bonding are observed in the crystal structure.
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