Abstract
In the title compound, C20H14FN3, the F atom of the fluoro-substituted benzene ring in the 4-position of the 5,6-dihydrobenzo[h]quinoline system is disordered over two positions (0.80 and 0.20 occupancy). The dihedral angle between the pyridine and fluorobenzene rings is 73.2 (2) Å. The crystal structure is established by intermolecular N—H⋯N hydrogen bonds, forming a three-dimensional network.
Highlights
C20H14FN3, the F atom of the fluorosubstituted benzene ring in the 4-position of the 5,6-dihydrobenzo[h]quinoline system is disordered over two positions
The crystal structure of the title compound is established by intermolecular N—H···N
R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger
Summary
Refinement a Department of Applied Chemistry, College of Science, Nanjing University of Technology, Nanjing 210009, People’s Republic of China, bDepartment of Biotechnology and Pharmaceutical Engineering, Nanjing University of Technology, Nanjing 210009, People’s Republic of China, and cCollege of Science, Nanjing. Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.006 Å; disorder in main residue; R factor = 0.052; wR factor = 0.161; data-to-parameter ratio = 7.3. C20H14FN3, the F atom of the fluorosubstituted benzene ring in the 4-position of the 5,6-dihydrobenzo[h]quinoline system is disordered over two positions (0.80 and 0.20 occupancy). The dihedral angle between the pyridine and fluorobenzene rings is 73.2 (2) Å. Data collection: CAD-4 EXPRESS (Enraf–Nonius, 1994); cell refinement: CAD-4 EXPRESS; data reduction: XCAD4 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL
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