Acta Cryst. (2007). C63, o468-o473  [ doi:10.1107/S0108270107027606 ]

C-H interactions in five ethynyl-substituted [2.2]paracyclophanes: further examples of the `7,11' packing pattern

P. G. Jones, I. Dix and H. Hopf

Formula: C₁₈H₁₆, and four isomers of C₂₀H₁₆

Online 14 July 2007

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