Synthesis and crystal structure of two novel polymeric PbII compounds: [Pb(phen)(N3)2]n and [Pb(deta)(N3) · (N3)]n

Two novel 1D polymeric Pb(II) complex containing the Pb2-(μ-N3)2 units, [Pb(phen)(N3)2]n (1) and [Pb(deta)(N3) · (N3)]n (2) (deta and phen are the abbreviations of diethylentriamine and 1,10-phenanthroline, respectively) have been synthesized and characterized by single-crystal X-ray diffraction. Compounds of (1) and (2) are six, PbN6, and five, PbN5, coordinated polymers, respectively. Both of them hold hemidirected coordination geometries. To the best of our knowledge, these 1D coordination polymers are the novel Pb2-(μ-N3)2 units of lead(II) compounds and interact with each other via π–π stacking and weak Pb⋯N interactions to create 3D and 2D frameworks.