Abstract
The constituents of the title 1:1 co-crystal, C7H6O2·C14H12N2, are connected into dimeric aggregates by a bifurcated O—H⋯N hydrogen bond; the hydroxyl-H atom is hydrogen bonded to the two N atoms of the 2,9-dimethylphenanthroline. The hydrogen-bonded residues are almost orthogonal to each other [dihedral angle = 78.56 (7) °]. In the crystal packing, the aggregates are assembled into layers in the bc plane by π⋯π interactions [ring centroid⋯ring centroid distance = 3.5577 (16) Å] involving the pyridyl rings, and C–H⋯π contacts involving the phenanthroline-H atom and the phenyl ring of the acid.
Highlights
The constituents of the title 1:1 co-crystal, C7H6O2C14H12N2, are connected into dimeric aggregates by a bifurcated O—
H N hydrogen bond; the hydroxyl-H atom is hydrogen bonded to the two N atoms of the 2,9-dimethylphenanthroline
The hydrogen-bonded residues are almost orthogonal to each other [dihedral angle = 78.56 (7) ]
Summary
Refinement a Department of Chemistry, The University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249-0698, USA, and bDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia. Key indicators: single-crystal X-ray study; T = 98 K; mean (C–C) = 0.002 Å; R factor =. 0.060; wR factor = 0.156; data-to-parameter ratio = 16.9. H atoms treated by a mixture of independent and constrained refinement max = 0.38 e Å3. The constituents of the title 1:1 co-crystal, C7H6O2C14H12N2, are connected into dimeric aggregates by a bifurcated O—. The aggregates are assembled into layers in the bc plane by interactions [ring centroid ring centroid distance =. 3.5577 (16) Å] involving the pyridyl rings, and C–H contacts involving the phenanthroline-H atom and the phenyl ring of the acid
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