Positional disorder manifested as compositional in a pseudo-C ₂-symmetrical Pd complex

The title compound {2-[3,5-bis-(trifluoro-meth-yl)-1H-pyrazol-1-ylmeth-yl]- 6-(3,5-dimethyl-1H-pyrazol-1-ylmeth-yl)-pyridine}-meth-yl-palladium(II) tetra-kis[3,5-bis-(trifluoro-meth-yl)phen-yl]-borate, [Pd(C18H18F6N5)][B(C8H3F6) 4], crystallizes as discrete cations and anions. The cation possesses a pseudo-twofold axis about which positional disorder of the tridentate ligand is exhibited. The four substituents on the two pyrazole rings exhibit CH3/CF3 disorder, while all other atoms are ordered. Thus, this disorder can be conveniently described locally as compositional, while globally for the entire tridentate ligand it is positional. The anion also exhibits typical rotational positional disorder in three of the CF3 groups. All disordered CF3 groups were modeled with idealized C 3v geometry.