Acta Crystallographica Section C

Crystal Structure Communications

Volume 65, Part 2 (February 2009)

metal-organic compounds

Acta Cryst. (2009). C65, m48-m51 [ doi:10.1107/S0108270108043631 ]

Robust packing in cyclopalladated primary amines: isomorphous crystal structures of four complexes with varying substitution patterns

B. Calmuschi-Cula, I. Kalf, C. Timofte and U. Englert

Abstract: The crystal structures of (SP-4-4)-[rac-2-(1-aminoethyl)phenyl- [kappa] ²C¹,N]chlorido(pyridine- [kappa] N)palladium(II), [Pd(C₈H₁₀N)Cl(C₅H₅N)], (I), (SP-4-4)-[rac-2-(1-aminoethyl)phenyl- [kappa] ²C¹,N]bromido(pyridine- [kappa] N)palladium(II), [PdBr(C₈H₁₀N)(C₅H₅N)], (II), (SP-4-4)-[rac-2-(1-aminoethyl)-5-bromophenyl- [kappa] ²C¹,N]bromido(4-methylpyridine- [kappa] N)palladium(II), [PdBr(C₈H₉BrN)(C₆H₇N)], (III), and (SP-4-4)-[rac-2-(1-aminoethyl)-5-bromophenyl- [kappa] ²C¹,N]iodido(4-methylpyridine- [kappa] N)palladium(II), [Pd(C₈H₉BrN)I(C₆H₇N)], (IV), are reported. The latter is the first iodide complex in this class of compounds. All four complexes crystallize in the same space group, viz. I4₁/a, with very similar lattice parameters a and more flexible lattice parameters c. Their packing corresponds to that of their enantiomerically pure congeners, which crystallize in the t2 subgroup I4₁.

Formula: [Pd(C₈H₁₀N)Cl(C₅H₅N)], [PdBr(C₈H₁₀N)(C₅H₅N)], [PdBr(C₈H₉BrN)(C₆H₇N)] and [Pd(C₈H₉BrN)I(C₆H₇N)]


	Structure factor file (CIF format) (147.0 kbytes) [ doi:10.1107/S0108270108043631/lg3003Isup2.hkl ] Contains datablock I

	Structure factor file (CIF format) (124.0 kbytes) [ doi:10.1107/S0108270108043631/lg3003IIsup3.hkl ] Contains datablock II

	Structure factor file (CIF format) (164.0 kbytes) [ doi:10.1107/S0108270108043631/lg3003IVsup5.hkl ] Contains datablock IV

	Structure factor file (CIF format) (165.8 kbytes) [ doi:10.1107/S0108270108043631/lg3003IIIsup4.hkl ] Contains datablock III

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