1 H, 13 C and 15 N nuclear magnetic resonance coordination shifts in Au(III), Pd(II) and Pt(II) chloride complexes with phenylpyridines

1 H, 13 C and 15 N nuclear magnetic resonance studies of gold(III), palladium(II) and platinum(II) chloride complexes with phenylpyridines (PPY: 4‐phenylpyridine, 4ppy; 3‐phenylpyridine, 3ppy; and 2‐phenylpyridine, 2ppy) having the general formulae [Au(PPY)Cl 3 ], trans ‐/ cis ‐[Pd(PPY) 2 Cl 2 ] and trans ‐/ cis ‐[Pt(PPY) 2 Cl 2 ] were performed and the respective chemical shifts (δ   1   H, δ   13   Cand δ   15   N) reported. 1 H, 13 C and 15 N coordination shifts (i.e. differences between chemical shifts of the same atom in the complex and ligand molecules: $\Delta_{\rm {coord}}^{1_{\rm {H}}} = \delta_{\rm {complex}}^{1_{\rm {H}}} - \delta_{\rm {ligand}}^{1_{\rm {H}}}$ , $\Delta_{\rm {coord}}^{13_{\rm {C}}} = \delta_{\rm {complex}}^{13_{\rm {C}}} - \delta_{\rm {ligand}}^{13_{\rm {C}}}$ , $\Delta_{\rm {coord}}^{15_{\rm {N}}} = \delta_{\rm {complex}}^{15_{\rm {N}}} - \delta_{\rm {ligand}}^{15_{\rm {N}}}$ ) were discussed in relation to the type of the central atom (Au(III), Pd(II) and Pt(II)), geometry ( trans ‐/ cis ‐) and the position of a phenyl group in the pyridine ring system. Copyright © 2009 John Wiley & Sons, Ltd.