J. N. Jolley, Colm J. Campbell, A. Castiñeiras
Dec 4, 1998
Citations
0
Influential Citations
12
Citations
Journal
Polyhedron
Abstract
Abstract Treatment of ruthenium (III) chloride hydrate with N,N′-dicarboxamido-N,N′-dicarboxymethyl-1,2-diaminoethane (1) (EDTA–diamide) in refluxing HCl solution followed by cooling afforded the crystalline complex NH4[Ru(EDTA–H)Cl] · 2H2O (2), the EDTA–H ligand and the +NH4 cation resulting from the hydrolysis of the amide groups in 1. The crystal and molecular structure confirms that in this complex EDTA–H acts as a pentadentate ligand, bonded to the metal through the tertiary nitrogen atoms and three carboxylate oxygens. A chloride ligand completes octahedral geometry around the metal ion. Reaction of K2[PtCl4] with the same ligand in hot basic solution followed by acidification initially gave PtCl2[HOOCCH2(2HNOCCH2)NCH2CH2.