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Communication
Chem. Commun., 2004, 1166 - 1167, DOI: 10.1039/b402939a
The probable number of hydrogen-bonded contacts for chemical groups in organic crystal structures
Lourdes Infantes and W. D. Sam Motherwell
A new database has been created for chemical groups and their hydrogen-bonded contacts for 41055 organic crystals. The accessible surface of an atom and the ratio between the number of donors and acceptors in a compound have been found to be useful parameters to predict the probable number of contacts for that atom.

