Abstract

C10H14F3NO3S, M(r) = 285.28, orthorhombic, Pca2(1), a = 9.324 (2), b = 12.038 (3), c = 11.252 (3) angstrom, V = 1263.0 (5) angstrom 3, Z = 4, D(x) = 1.50 g cm-3, Mo K-alpha, lambda = 0.71069 angstrom, mu = 2.97 cm-1, F(000) = 592, T = 291 K, R = 0.032 for 1124 observed reflections. The five-membered unsaturated sultone ring is slightly nonplanar adopting a flat C2 half-chair conformation with endocyclic torsion angles of 5.2 (8), -1.9 (8), -1.8 (8), 5.1 (8) and -6.6 (8)-degrees. The endocyclic S-O and S-C bond lengths are 1.599 (2) and 1.689 (4) angstrom, respectively, and the C-S-O angle is 95.4 (2)-degrees.

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