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In the title compound, [Ni 2 (C 2 H 4 ) 2 (C 25 H 22 P 2 ) 2 ]·2C 7 H 8 , each Ni atom is coordinated in a trigonal-planar geometry by two P atoms of the bridging 1,2-bis­(diphenyl­phosphino)methane (dppm) ligands and by the centroid of the double bond of an ethene ligand. An eight-membered ring comprising the two Ni atoms, four P atoms and the CH 2  groups of the two dppm ligands is thus formed. The methyl group in one of the solvent toluene mol­ecules is disordered over two positions with equal occupancies.

Bis[μ-1,2-bis(diphenylphosphino)methane-κ2P:P′]bis[(η2-ethene)nickel(0)] toluene disolvate

Bis[μ-1,2-bis(diphenylphosphino)methane-κ²P:P′]bis[(η²-ethene)nickel(0)] toluene disolvate