I inititated an international effort through IUPAC to come-up with a modern
definition of the hydrogen bond. The task group formed by IUPAC has
recently submitted a recommendation for the definition of hydrogen bond
and a technical report that provides the rationale for the proposed definition
and also a summary of hydrogen bond reasearch over the past century.
Link to IUPAC website with the recommendation:
Link to my home-page where the activities of IUPAC project have been given
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