Received 13 November 2012
The title compound, [PdCl2(C21H12F9P)2]·CH2Cl2, crystallizes with two independent complex molecules (each having the PdII atom situated on an inversion centre) and a dichloromethane molecule in the asymmetric unit. The independent PdII atoms are in perfectly linear orientations of the ligands in mutually trans positions, but distortions of the Cl-Pd-P angles ranging from 86.151 (19) to 93.849 (19)° are evident. The effective cone angles for the tris[4-(trifluoromethyl)phenyl]phosphane ligand were calculated to be 159 and 161°. In the crystal, weak C-HCl/F interactions create a three-dimensional supramolecular network. Loose packing at two of the -CF3 groups resulted in large thermal vibrations which were treated as two-component disorders [occupancy ratios 0.50:0.50 and 0.628 (15):0.372 (15)].
For background to catalysis of palladium compounds, see: Bedford et al. (2004). For a description of the Cambridge Structural Database, see: Allen (2002). For background to cone angles, see: Tolman (1977); Otto (2001). For details of the conformational fit between molecules using Mercury, see: Macrae et al. (2006); Weng et al. (2008a,b).
Data collection: APEX2 (Bruker, 2011); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT and XPREP (Bruker, 2008); program(s) used to solve structure: SIR97 (Altomare et al., 1999); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg & Putz, 2005); software used to prepare material for publication: publCIF (Westrip, 2010) and WinGX (Farrugia, 2012).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: ZQ2189 ).
Financial assistance from the Research Fund of the University of Johannesburg is gratefully acknowledged.
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