Crystal and Molecular Structure of an Oligomeric 1:2 Complex of Copper (II) Azide with 4-Methylpyridine

A 1:2 complex of copper (II) azide with 4-methylpyridine has been synthesized and the crystal structure has been determined by X-ray methods. The compound crystallizes in space group P2₁/a with a = 11,062(3), b = 19.310(6), c = 20.547(5) Å, β = 90.83(2)°, V = 4389(1) ų, Z = 12 and R = 0.048 for 959 observed MoKα data. The structure is built up by oligomeric edge-sharing chains of polyhedra. With the exception of a single coordinated azido group, all other azido ligands serve to bridge neighbouring copper centers at Cu  N bond distances of 1.94(2) to 2.76(2) Å] in the μ(1,1) fashion.