Abstract
The crystal studied of the title compound, C21H14F2OS, was an inversion twin with a 0.67 (8):0.33 (8) domain ratio. The 4-fluorophenyl ring in the 2-position makes a dihedral angle of 25.14 (6)° with the mean plane of the benzofuran fragment, and the dihedral angle between 4-fluorophenyl ring in the 5-position and the mean plane of the benzofuran fragment is 28.50 (7)°. In the crystal, molecules are linked through weak intermolecular C—H⋯F and C—H⋯π interactions.
Highlights
Cg is the centroid of the C15–C20 4-fluorophenyl ring
The crystal studied of the title compound, C21H14F2OS, was an inversion twin with a 0.67 (8):0.33 (8) domain ratio
H···π interactions; the first one between a 4-fluorophenyl H atom in the 5-position and the (C15–C20) 4-fluorophenyl ring (Table 1; C10–H10···Cgii), and the second one between the 4-fluorophenyl H atom in the 2-position and the (C15–C20) 4fluorophenyl ring (Table 1; C17—H17···Cgiii) (Cg is the centroid of the C15–C20 4-fluorophenyl ring)
Summary
Refinement a Department of Chemistry, Dongeui University, San 24 Kaya-dong Busanjin-gu, Busan 614-714, Republic of Korea, and bDepartment of Chemistry, Pukyong. Cg is the centroid of the C15–C20 4-fluorophenyl ring. The crystal studied of the title compound, C21H14F2OS, was an inversion twin with a 0.67 (8):0.33 (8) domain ratio. The 4fluorophenyl ring in the 2-position makes a dihedral angle of. 25.14 (6) with the mean plane of the benzofuran fragment, and the dihedral angle between 4-fluorophenyl ring in the 5position and the mean plane of the benzofuran fragment is. Molecules are linked through weak intermolecular C—H F and C—H interactions
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