Acta Cryst. (2006). E62, m1021-m1023  [ doi:10.1107/S1600536806012451 ]

The 1:1 adduct of antimony trifluoride with [1.5]dibenzothia-18-crown-6

M. S. Fonari, E. V. Ganin, V. O. Gelmboldt, J. Lipkowski, S. A. Kotlyar and G. L. Kamalov

Abstract: In the title compound [systematic name: 6,7,9,10,12,13,15,16-octahydrodibenzo[n,q][1,4,7,10,13,16]pentaoxathiacyclooctadecine antimony(III) trifluoride clathrate], (C₂₀H₂₄O₅S)SbF₃], the components are held together via electrostatic interactions between the antimony lone pair and the collective electron system of the macrocycle. The antimony trifluoride molecule is situated in a perching mode above the macrocyclic cavity, its coordination being completed by three crown ether O atoms at distances in the range 2.737 (1)-3.136 (1) Å. Neighboring 1:1 adducts are linked into chains via C-HF hydrogen bonds.

Online 13 April 2006

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