Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 1 (January 2007)

metal-organic compounds

 

Two square-planar palladium(II) complexes with P,O-bidentate hybrid ligands

M. R. J. Elsegood, M. B. Smith and S. H. Dale

Abstract: In the two square-planar palladium(II) complexes chloro[(diphenylphosphinoamino)diphenylphosphine oxide]methylpalladium(II) dimethyl sulfoxide solvate, [Pd(CH₃)Cl(C₂₄H₂₁NOP₂)]·C₂H₆OS, (I), and chloro{[2-(diphenylphosphino)phenyl]diethoxymethane}methylpalladium(II), [Pd(CH₃)Cl(C₂₃H₂₅O₂P)], (II), a trans disposition of the diphenylphosphino and chloro groups is observed. The Pd atom in both complexes displays a distorted square-planar configuration formed by the four unique donor atoms (P, Cl, C and O). In compound (I), the five-membered Pd-P-N-P-O metallacycle is best described as having an envelope conformation, whereas in (II) the six-membered Pd-P-C-C-C-O metallacycle adopts a skewed boat conformation. Furthermore, within the P-N-P-O backbone in (I), the P-N distances are consistent with single-bond character [1.659 (3) and 1.692 (3) Å], whilst the P=O bond shows appreciable double-bond character [1.509 (2) Å].

Formula: [Pd(CH₃)Cl(C₂₄H₂₁NOP₂)]·C₂H₆OS and [Pd(CH₃)Cl(C₂₃H₂₅O₂P)]

	Structure factor file (CIF format) (263.7 kbytes) [ doi:10.1107/S0108270106048530/gd3061Isup2.hkl ] Contains datablock I
	Structure factor file (CIF format) (220.8 kbytes) [ doi:10.1107/S0108270106048530/gd3061IIsup3.hkl ] Contains datablock II

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