Mercury(II) bromide

• Formula: Br₂Hg
• Molecular weight: 360.40
• IUPAC Standard InChI: InChI=1S/2BrH.Hg/h2*1H;/q;;+2/p-2 Copy

  
• IUPAC Standard InChIKey: NGYIMTKLQULBOO-UHFFFAOYSA-L Copy
• CAS Registry Number: 7789-47-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: HgBr2; Mercury(2)bromide; Mercuric bromide; Mercury bromide; Mercury bromide (HgBr2); Mercury(ii) bromide (1:2); UN 1634; Mercury dibromide
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Reaction 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 as indicated in comments:
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

 (l) + 2 (l) = 2 (g) +  (cr)

By formula: C₂H₆Hg (l) + 2Br₂ (l) = 2CH₃Br (g) + Br₂Hg (cr)

C₆H₁₄Hg (l) +  (cr) = 2C₃H₇BrHg (cr)

By formula: C₆H₁₄Hg (l) + Br₂Hg (cr) = 2C₃H₇BrHg (cr)

 (l) +  (cr) = 2 (cr)

By formula: C₂H₆Hg (l) + Br₂Hg (cr) = 2CH₃BrHg (cr)

C₆H₁₄Hg (l) +  (cr) = 2C₃H₇BrHg (cr)

By formula: C₆H₁₄Hg (l) + Br₂Hg (cr) = 2C₃H₇BrHg (cr)

 (l) +  (cr) = 2C₆H₅BrHg (cr)

By formula: C₁₂H₁₀Hg (l) + Br₂Hg (cr) = 2C₆H₅BrHg (cr)

 (l) +  (cr) = 2C₂H₅BrHg (cr)

By formula: C₄H₁₀Hg (l) + Br₂Hg (cr) = 2C₂H₅BrHg (cr)

2 +  =  + 2

By formula: 2C₆H₅Br + Br₂Hg = C₁₂H₁₀Hg + 2Br₂

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 compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

References

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

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]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [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]

Mortimer, Pritchard, et al., 1952
Mortimer, C.T.; Pritchard, H.O.; Skinner, H.A., Thermochemistry of metallic alkyls. Part V.?Mercury di-propyl and mercury di-isopropyl, Trans. Faraday Soc., 1952, 48, 220, https://doi.org/10.1039/tf9524800220 . [all data]

Hartley, Pritchard, et al., 1951
Hartley, K.; Pritchard, H.O.; Skinner, H.A., Thermochemistry of metallic alkyls. IV. Mercury diethyl and mercury diphenyl, Trans. Faraday Soc., 1951, 47, 254, https://doi.org/10.1039/tf9514700254 . [all data]

Chernick, Skinner, et al., 1956
Chernick, C.L.; Skinner, H.A.; Wadso, I., Thermochemistry of metallic alkyls. Part 7.-The heat of formation of mercury diphenyl, and of mercury phenyl chloride, Trans. Faraday Soc., 1956, 52, 1088-1093. [all data]

Linn, Tzeng, et al., 1983
Linn, S.H.; Tzeng, W.-B.; Brom, J.M., Jr.; Ng, C.Y., Molecular beam photoionization study of HgBr₂ and HgI₂, J. Chem. Phys., 1983, 78, 50. [all data]

Eland, 1970
Eland, J.H.D., Photoelectron spectra and chemical bonding of mercury(II) compounds, Intern. J. Mass Spectrom. Ion Phys., 1970, 4, 37. [all data]

Kiser, Dillard, et al., 1969
Kiser, R.W.; Dillard, J.G.; Dugger, D.L., Mass spectrometry of inorganic halides, Advan. Chem. Ser., 1969, 72, 153. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  ΔrH°	Enthalpy of reaction at standard conditions

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