Experimental validation of 'pnicogen bonding' in nitrogen by charge density analysisElectronic supplementary information (ESI) available: Data collection, refinement details, theoretical calculations, crystallographic data and diagrams. CCDC 1019123. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c4cp04690k

The participation of a nitrogen atom acting as an electrophile in pnicogen bonding, a hitherto unexplored interaction has been established by experimental charge density analysis. QTAIM and NBO analyses ratify this observation. The participation of a nitrogen atom acting as an electrophile in pnicogen bonding, a hitherto unexplored interaction has been established by experimental charge density analysis.