Abstract
In the title compound, [PdCl2(C27H26P2)] or PdCl2[(C6H5)2PCH2P(C6H4CH3)2], the palladium center has a distorted square-planar geometry. There are two crystallographically independent molecules in the asymmetric unit. The dihedral angle between the PdP2 and PdCl2 planes is 2.95 (4)° in one independent molecule and 5.15 (4)° in the other. The P—Pd—P and P—C—P bond angles are significantly distorted because of the small bite angle of the chelating (bisphosphino)methane ligand. The steric demands of the substituted rings in the mixed ligand cause a slight elongation of the Pd—P(C6H4CH3)2 bond relative to the Pd—P(C6H5)2 bond. In one molecule the tolyl ring shows positional disorder in a 0.58 (2):0.42 (2) ratio, in the other molecule the phenyl ring shows positional disorder in a 0.838 (9):0.162 (9) ratio.
Highlights
In the title compound, [PdCl2(C27H26P2)] or PdCl2[(C6H5)2PCH2P(C6H4CH3)2], the palladium center has a distorted square-planar geometry
The steric demands of the substituted rings in the mixed ligand cause a slight elongation of the Pd—
Structure was phased by direct methods (Sheldrick, 2008)
Summary
In the title compound, [PdCl2(C27H26P2)] or PdCl2[(C6H5)2PCH2P(C6H4CH3)2], the palladium center has a distorted square-planar geometry. There are two crystallographically independent molecules in the asymmetric unit. The dihedral angle between the PdP2 and PdCl2 planes is 2.95 (4) in one independent molecule and 5.15 (4) in the other. P and P—C—P bond angles are significantly distorted because of the small bite angle of the chelating (bisphosphino)methane ligand. The steric demands of the substituted rings in the mixed ligand cause a slight elongation of the Pd—. P(C6H4CH3) bond relative to the Pd—P(C6H5) bond. In one molecule the tolyl ring shows positional disorder in a. 0.58 (2):0.42 (2) ratio, in the other molecule the phenyl ring shows positional disorder in a 0.838 (9):0.162 (9) ratio
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