title: N2 coordination.
abstract: The impact of the report by Allen and Senoff in 1965 on the serendipitous discovery of the first complex with coordinated dinitrogen, [Ru(NH3)5N2](2+), is discussed in the context of what was known beforehand and the impact this work had on coordination chemistry.
authors.affiliation: Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, Canada V6T 1Z1. fryzuk@chem.ubc.ca
authors.forename: Michael D
authors.initials: MD
authors.lastname: Fryzuk