Abstract
C17H13F4N, M(r) = 307.3, orthorhombic, P2(1)2(1)2(1), a = 7.280 (4), b = 11.253 (3), c = 17.255 (5) angstrom, V = 1413.6 angstrom3, Z = 4, D(x) = 1.444 g cm-3, Mo K-alpha, lambda = 0.71069 angstrom, mu = 0.79 cm-1, F(000) = 632, T = 147 K. Final R = 0.036 for 1206 observed reflections. The molecular conformation has three planar groups, the cyanotetrafluorophenyl, the phenyl and the butyl groups. The butyl group lies at 13.4 (4)degrees to the phenyl group and there is an angle of 40.8 (4)degrees between the tetrafluorophenyl and phenyl groups. In the unit cell, molecules are stacked in pairs (head to tail) with the phenyl ring and the tetrafluorophenyl rings almost exactly overlaying each other. Closest C...C contacts are 3.388 (5) angstrom within the pairs and 3.380 (5) angstrom between the pairs.
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