(Benzene)ruthenium dichloride dimer

(benzene)ruthenium dichloride dimer
Names
Other names
Dichloro(benzene)ruthenium(II) dimer, bis(η6-benzene)di-μ-chlorodichlorodiruthenium, (benzene)dichlororuthenium dimer, benzeneruthenium dichloride dimer, benzeneruthenium(II) chloride dimer
Identifiers
Properties
C12H12Cl4Ru2
Molar mass 500.17 g·mol−1
Appearance Red-brown solid
Density 2.343 g/cm3
Melting point (decomposes)
Slightly, with hydrolysis
Hazards
GHS pictograms
GHS signal word Warning
H315, H319, H335
P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

(Benzene)ruthenium dichloride dimer is the organoruthenium compound with the formula [(C6H6)RuCl2]2. This red-coloured, diamagnetic solid is a reagent in organometallic chemistry and homogeneous catalysis. It is related to the more soluble analogue (cymene)ruthenium dichloride dimer.

Preparation, structure, and reactions

The dimer is prepared by the reaction of cyclohexadienes with hydrated ruthenium trichloride.[1] As verified by X-ray crystallography, each Ru center is coordinated to three chloride ligands and a η6-benzene. As verified by X-ray crystallography, each Ru center is coordinated to three chloride ligands and a η6-benzene. [2] The complex can be viewed as an edge-shared bioctahedral structure.

(Benzene)ruthenium dichloride dimer reacts with Lewis bases to give monometallic adducts:

[(C6H6)RuCl2]2 + 2 PPh3 → 2 (C6H6)RuCl2(PPh3)

References

  1. ↑ Bennett, M. A.; Huang, T. N.; Matheson, T. W.; Smith, A. K. (1982). "(η6-Hexamethylbenzene)ruthenium Complexes". Inorganic Syntheses. 21: 74–78. doi:10.1002/9780470132524.ch16.
  2. ↑ J. Canivet, B. Therrien, G. Suss-Fink (2005). "Di-μ-chlorobis[(η6-benzene) chlororuthenium(II)] Chloroform Disolvate". Acta Crystallogr., Sect. E: Struct. Rep. Online. 61: m1090. doi:10.1107/S1600536805014157.
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