Influence of substituents on the strength of aryl C-H...anion hydrogen bonds.
[structure: see text]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.
Bryantsev
Vyacheslav S
VS
Chemical Science Division, Pacific Northwest National Laboratory, Richland, Washington 99352, USA.
Hay
Benjamin P
BP