Hydrothermal crystal engineering using hard and soft acids and bases: synthesis and X-ray crystal structures of the metal hydroxide-based phases M3M′2(OH)2[NC5H3 (CO2)2-2,4]4(H2O)4 (M = Co, Ni, Zn; M′ = Pd, Pt)Electronic supplementary information (ESI) available: elemental analysis, IR data, unit cell parameters and selected bond lengths and angles. See http://www.rsc.org/suppdata/cc/b0/b006094l/ for crystallographic files in .cif format.

Abstract

Solvothermal reaction of K₂M′Cl₄ (M′ = Pd, Pt) with pyridine dicarboxylate and excess base produces isostructural coordination solids in which ‘complex ligands’ containing palladium or platinum coordinate to metal hydroxide chains.