Tetraphenylarsonium Carbonyltrichloroplatinate II

SUBMITTED BY MITSURU KUBOTA and GREGORY F. PARKS CHECKED BY DANIELA BELLI DELL AMICO and FAUSTO CALDERAZZO  

1 Dipartimento di Chimica e Chimica Industriale, Via Risorgimento 35, University of Pisa, 56126 Pisa, Italy. 

The compound [Ph4As][Pt(CO)Cl3] is characterized by IR absorption at 2077 cm 1 (Nujol) and 2095 cm 1 in dichloromethane. Yellow crystals of the compound decompose in air at 179°C. The compound is unreactive in air, but decomposes slowly in water. It is soluble in dichloromethane and dimethyl-formamide, slightly soluble in ethanol, and insoluble in water, diethyl ether, and hexane. The chlorine ligand trans to the CO is readily displaced by other halogens and other ligands.6 The compound reacts with chlorine to form [Pt(CO)Cl5]-.7 

A mixture of 20.0 g (0.138 mol) of Mo03 powder, 100 mL of concentrated (12 M) hydrochloric acid, and 100 mL of distilled water is heated to just 

SUBMITTED BY ANN E. LEINS and NEIL J. COVILLE CHECKED BY JOHN A. GLADYSZ  

The anionic [Pt(CO)Cl3] complex has been synthesized in low yields by elaborate, time-consuming processes, including the reaction of formic acid and Na2[PtCl6], the reaction of K2[PtCU], NO, CO, and CuCl2, and the reaction of (n-Bu4N)2[PtCl4] and CO in SOCI2. The [Pt(CO)Cl3] anion may be conveniently prepared by the reaction of CO with Zeise s anion 

Inorganic Syntheses, Volume 31 Edited by Alan H. Cowley 1997 by Inorganic Syntheses, Inc. 

---