The shortest C–H···O hydrogen bonds yet determined by single crystal neutron diffraction: a structural study of two phosphonium aryloxides
Abstract
The structures of two phosphonium aryloxides have been determined by neutron diffraction at 20 K and reveal extensive aggregation in the solid state via very short C–H···O and C–H···π interactions, including the shortest C–H···O distance yet determined by neutron diffraction.
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