Weiss, Hans-Christoph; Blaser, Dieter; Boese, Roland; Doughan, Brandon M.; Haley, Michael M.:

C-H...p interactions in ethynylbenzenes: the crystal structures of ethynylbenzene and 1,3,5-triethynylbenzene, and a redetermination of the structure of 1,4-diethynylbenzene.

In: Chemical Communications (Cambridge), (1997) ; Nr. 18, S. 1703-1704
ISSN: 1359-7345
Zeitschriftenaufsatz / Fach: Chemie
The crystal structures of 1,4-diethynylbenzene 1 and 1,3,5-triethynylbenzene 2 show similar packing principles with CH...p (triple bond)-zigzag networks; surprisingly, the packing motif of ethynylbenzene 3 is quite different. Crystallog. data and at. coordinates are given.