8187. Rhodium Carbonyl Chloride

Nomenclature

CAS number: 14523-22-9
Tetracarbonyldi-μ-chlorodirhodium; dichlorotetracarbonyldirhodium; chlorodicarbonylrhodium(I) dimer.
C4Cl2O4Rh2; mol wt 388.76.
C 12.36%, Cl 18.24%, O 16.46%, Rh 52.94%.
[Rh(CO)2Cl]2.

Description and references

Prepn: Hieber, Lagally, Z. Anorg. Allg. Chem. 251, 96 (1943); McCleverty, Wilkinson, Inorg. Synth. 8, 211 (1966); Colton et al., Aust. J. Chem. 23, 1351 (1970); Cramer, Inorg. Synth. 15, 14 (1974). Structure: Dahl et al., J. Am. Chem. Soc. 83, 1761 (1961).

Properties

Orange-red crystalline solid or red crystalline sublimate. mp 124-125°. Sol in most organic solvents (except aliphatic hydrocarbons). Stable to dry air. Solutions in organic solvents decompose when exposed to air.

Use

Catalyst.