Mercury, dimethyl-

• Formula: C₂H₆Hg
• Molecular weight: 230.66
• IUPAC Standard InChI: InChI=1S/2CH3.Hg/h2*1H3; Copy

  
• IUPAC Standard InChIKey: ATZBPOVXVPIOMR-UHFFFAOYSA-N Copy
• CAS Registry Number: 593-74-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Dimethylmercury; (CH3)2Hg
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: José A. Martinho Simões

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]

Carson, Carson, et al., 1952
Carson, A.S.; Carson, E.M.; Wilmshurst, B., Nature, 1952, 170, 320. [all data]

Hartley, Pritchard, et al., 1950
Hartley, K.; Pritchard, H.O.; Skinner, H.A., Thermochemistry of metallic alkyls. III.?mercury dimethyl and mercury methyl halides, Trans. Faraday Soc., 1950, 46, 1019, https://doi.org/10.1039/tf9504601019 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Berthelot, 1899
Berthelot, M., Compt. Rend., 1899, 129, 918. [all data]

Berthelot, 1900
Berthelot, M., Ann. Chim. Phys., 1900, 20, 158. [all data]

Long and Cattanach, 1961
Long, L.H.; Cattanach, J., J. Inorg. Nucl. Chem., 1961, 20, 340. [all data]

Baev, 2001
Baev, A.K., Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 2001, 44, 1, 3. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Distefano and Dibeler, 1970
Distefano, G.; Dibeler, V.H., Photoionization study of the dimethyl compounds of zinc, cadmium, and mercury, Intern. J. Mass Spectrom. Ion Phys., 1970, 4, 59. [all data]

Creber and Bancroft, 1980
Creber, D.K.; Bancroft, G.M., Photoelectron studies of dialkyl group 2B compounds: Ligand field splittings intensity variations with photon energy, Inorg. Chem., 1980, 19, 643. [all data]

Nugent, Wu, et al., 1976
Nugent, W.A.; Wu, M.M.-H.; Fehlner, T.P.; Kochi, J.K., Enhanced reactivity of exo-norbornyl derivatives. Evidence for σ-participation in the absence of steric effects, J. Chem. Soc., Chem. Commun., 1976, 456. [all data]

Fehlner, Ulman, et al., 1976
Fehlner, T.P.; Ulman, J.; Nugent, W.A.; Kochi, J.K., Effect of alkyl substituents on the first ionization potential and on 5d¹⁰ ionization in dialkylmercury compounds, Inorg. Chem., 1976, 15, 2544. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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