A triclinic polymorph of bis(μ-di-tert-butylphosphanido)bis[(di-tert-butylphosphane)palladium(I)]

A triclinic polymorph of bis(μ-di-tert-butylphosphanido)bis[(di-tert-butylphosphane)palladium(I)]

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A new polymorph of the title compound, [Pd2(C8H18P)2(C8H19P)2], has been found.It belongs to the triclinic P-1 space group, whereas the known form [Leoni, Sommovigo, Pasquali, Sabatino & Braga (1992), J.Organomet.

Chem.423, 263–270] crystallizes in the monoclinic C2/c space group.The title compound features a dinuclear palladium complex Tea with a planar central Pd2(μ-P)2 core (r.

m.s.deviation = 0.

003 Å).The Pd—Pd distance of 2.5988 (5) Å is within the range of a PdI—PdI bond.

The molecules of both polymorphs are located on a crystallographic Goal Jock centre of inversion.The molecular conformations of the two polymorphs are essentially identical.The crystal packing patterns, on the other hand, are slightly different.