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The title compound, [Ni2(C22H46P2O2)2(CO)2], is located about a centre of inversion with the Ni(0) atom within a distorted trigonal-planar geometry. The cyclo-hexyl rings are in the usual chair conformation with the 1,3-cis substituents equatorially oriented. No specific inter-molecular inter-actions are noted in the crystal packing. A region of disordered electron density, most probably a disordered deuterobenzene solvent molecule, was treated using the SQUEEZE routine in PLATON [Spek (2009 ▶). Acta Cryst. D65, 148-155]. Its formula mass and unit-cell characteristics were not taken into account during refinement.

acta crystallographica. section e

Bis{μ-cis-1,3-bis[(di-tert-butylphosphanyl)oxy]cyclohexane-κ2P:P′}bis[carbonylnickel(0)] including an unknown solvent molecule