Abstract: | The crystal structure of mer-Co(4-CH3C5H4N)3(N3)3has been determined by single crystal X-ray methods at 300 K. The compound crystallizes in the monoclinic space group C 2/c, a = 19.087(6), b = 16.769(4), c = 15.845(4) Å, β = 119.04(2)°, V = 4434(2) Å3, Mr = 464.42. Z = 8, Dx = 1.391 Mgm−3, F(000) = 1920, λ (MoKα) = 0.71069 Å, μ = 0.802 mm−1. The cobalt(III) ions are octahedrally coordinated to three azide groups and to three 4-methyl-pyridine molecules to form isolated coordination polyhedra. |