QUADRUPOLAR [1(4)] (META-ORTHO)(2) AZOLOPHANES - INTRAMOLECULAR C-H-CENTER-DOT-CENTER-DOT-CENTER-DOT-N AND TO WATER C-H-CENTER-DOT-CENTER-DOT-CENTER-DOT-O HYDROGEN-BONDING REVEALED BY X-RAY-DIFFRACTION
E. Alcade et al., QUADRUPOLAR [1(4)] (META-ORTHO)(2) AZOLOPHANES - INTRAMOLECULAR C-H-CENTER-DOT-CENTER-DOT-CENTER-DOT-N AND TO WATER C-H-CENTER-DOT-CENTER-DOT-CENTER-DOT-O HYDROGEN-BONDING REVEALED BY X-RAY-DIFFRACTION, Tetrahedron, 52(48), 1996, pp. 15189-15196
The first X-ray crystallographic diffraction of an example of the titl
e heterophanes built up from heterocyclic betaine subunits is reported
and its quadrupolar character is confirmed. The crystal packing of 2
. 4H(2)O is mainly governed by hydrogen-bonding networks, strong inter
molecular interactions with water together with weak interactions, eit
her intramolecular or with water. Copyright (C) 1996 Elsevier Science
Ltd