Influence of Substituents on the
Strength of Aryl C-H···Anion Hydrogen
Bonds
Vyacheslav S. Bryantsev andBenjamin P. Hay*
Chemical Science Division, Pacific Northwest National Laboratory, P.O. Box 999,
Richland, Washington 99352
ben.hay@pnl.gov
Received August 19, 2005
Abstract:
When electron-withdrawing substituents are present, aryl C-H groups become powerful hydrogen bond donors, forming stronger complexes
than obtained with conventional O-H and N-H groups.