Dimethylcadmium

Dimethylcadmium
Identifiers
3D model (JSmol)
ChemSpider
Properties
C2H6Cd
Molar mass 142.48 g·mol−1
Melting point -4.5 ºC
Boiling point 106 ºC
Hazards
Main hazards toxic
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Dimethylcadmium is the organocadmium compound with the formula Cd(CH3)2. It is a colorless highly toxic liquid that fumes in air. The compound finds limited use as a reagent in organic synthesis and in MOCVD. It is a linear molecule with C-Cd bond lengths of 213 pm.[1]

Dimethylcadmium is prepared by treating cadmium dihalides with methyl Grignard reagents or methyllithium.[2]

CdBr2 + 2 CH3MgBr → Cd(CH3)2 + MgBr2

The same method was used in the first preparation of this compound.[3]

Dimethylcadmium is a weak Lewis acid, forming an adduct with bipyridine and with ether.[2]

References

  1. Felix Hanke; Sarah Hindley; Anthony C. Jones; Alexander Steiner (2016). "The Solid State Structures of the High and Low Temperature Phases of Dimethylcadmium". Chemical Communications. 52: 10144–10146. doi:10.1039/c6cc05851e.
  2. 1 2 Douglas F. Foster; David J. Cole-Hamilton (1997). "Electronic Grade Alkyls of Group 12 and 13 Elements". Inorganic Syntheses. 31: 21–66. doi:10.1002/9780470132623.ch7.
  3. Erich Krause (1917). "Einfache Cadmiumdialkyle. (I. Mitteilung über organische Cadmium-Verbindungen.)". Berichte der deutschen chemischen Gesellschaft. 50 (2): 1813–1822. doi:10.1002/cber.19170500292.
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