Bis(trimethylsilyl)mercury

Bis(trimethylsilyl)mercury

Identifiers
ChemSpider	21106419 Y
InChI InChI=1S/2C3H9Si.Hg/c2*1-4(2)3;/h2*1-3H3; Y Key: RKCQQCXHUWKHGR-UHFFFAOYSA-N Y InChI=1/2C3H9Si.Hg/c2*1-4(2)3;/h2*1-3H3;/rC6H18HgSi2/c1-8(2,3)7-9(4,5)6/h1-6H3 Key: RKCQQCXHUWKHGR-GMLBIIQIAA
Jmol-3D images	Image
SMILES C[Si](C)(C)[Hg][Si](C)(C)C
Properties
Molecular formula	C6H18HgSi2
Molar mass	346.97 g·mol−1
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Bis(trimethylsilyl)mercury a chemical reagent with formula: (CH₃)₃-Si-Hg-Si-(CH₃)₃.

Synthesis

This compound was first synthesized by Wiberg et al. in 1963, by the reaction of trimethylsilyl bromide with sodium amalgam:^[1]

2 Na + Hg + TMSBr → TMS₂Hg + 2 NaBr

Reactions

On prolonged heating at 100-160 °C, or when stood under light as an ethereal solution, it decomposes to hexamethyldisilane:^[1]

TMS₂Hg → (CH₃)₃Si-Si(CH₃)₃ + Hg

Reaction with hydrogen chloride gives trimethylsilane and trimethylsilyl chloride:^[1]

TMS₂Hg + HCl → TMSH + TMSCl + Hg

References

1. ↑ 1.0 1.1 1.2 Wiberg, E.; Stecher, O.; Andrascheck, H. J.; Kreuzbichler, L.; Staude, E. (1963). "Recent Developments in the Chemistry of Metal Silyls of the Type M(SiR3)n". Angew. Chem. Int. Ed. Engl. 2 (9): 507. doi:10.1002/anie.196305071. 

Further reading

• Pickett, Nl; Just, O; Vanderveer, Dg; Rees, Ws, Jr (Apr 2000). "Reinvestigation of bis(trimethylsilyl)mercury". Acta Crystallographica C 56 (4): 412–3. doi:10.1107/S0108270199016339. PMID 10815189.