trans-Diazidobis[1,2-bis(diethylphosphino)ethane-P,P']iron(II)

The title structure, [Fe(N₃)₂(C₁₀H₂₄P₂)₂], has been studied and was found to consist of neutral molecules with Fe located at a centre of symmetry. The Fe-P bond lengths [2.258 (1) and 2.268 (1) Å] are indicative of low spin Fe^II. The Fe-N distance is 2.008 (4) Å.

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