Mercury, chloromethyl-
- Formula: CH3ClHg
- Molecular weight: 251.08
- IUPAC Standard InChI: InChI=1S/CH3.ClH.Hg/h1H3;1H;/q;;+1/p-1
- IUPAC Standard InChIKey: BABMCXWQNSQAOC-UHFFFAOYSA-M
- CAS Registry Number: 115-09-3
- 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: Caspan; Chloromethylmercury; Mercury methyl chloride; Methyl meruric chloride; Methylmercuric chloride; Methylmercury chloride; Monomethylmercury chloride; CH3HgCl; Methylmercury(2) chloride; Methylmerkurichlorid; Methyl mercury, chloro; Methylmercury monochloride; NSC 19998
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Gas 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -55.1 ± 3.3 | kJ/mol | Review | Martinho Simões | The enthalpy of formation relies on 57.8 ± 3.0 kJ/mol for the enthalpy of formation of Hg(Me)2(l). |
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -120.0 ± 2.8 | kJ/mol | Review | Martinho Simões | The enthalpy of formation relies on 57.8 ± 3.0 kJ/mol for the enthalpy of formation of Hg(Me)2(l). |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References, Notes
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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
(l) + Cl2Hg (cr) = 2
(cr)
By formula: C2H6Hg (l) + Cl2Hg (cr) = 2CH3ClHg (cr)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -67.7 ± 2.3 | kJ/mol | RSC | Hartley, Pritchard, et al., 1950 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. |
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
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
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.5 | PE | Baidin, Chizhov, et al., 1981 | LLK |
| 10.5 | PE | Baidin, Chizhov, et al., 1981, 2 | LLK |
| 11.3 ± 0.2 | EI | Glockling, Irwin, et al., 1976 | LLK |
| 11.5 ± 0.02 | EI | Gowenlock, Haynes, et al., 1962 | RDSH |
| 10.84 ± 0.05 | PE | Baidin, Timoshenko, et al., 1985 | Vertical value; LBLHLM |
| 10.83 ± 0.05 | PE | Baidin, Chizhov, et al., 1981 | Vertical value; LLK |
| 10.83 | PE | Baidin, Chizhov, et al., 1981, 2 | Vertical value; LLK |
| 10.88 | PE | Eland, 1970 | Vertical value; RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CH3+ | 14.8 ± 0.2 | ? | EI | Gowenlock, Haynes, et al., 1962 | RDSH |
| CH3Hg+ | 12.4 ± 0.2 | Cl | EI | Gowenlock, Haynes, et al., 1962 | RDSH |
| ClHg+ | 13.3 ± 0.2 | CH3 | EI | Glockling, Irwin, et al., 1976 | LLK |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry 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]
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]
Baidin, Chizhov, et al., 1981
Baidin, V.N.; Chizhov, Y.V.; Timoshenko, M.M.; Sokolikova, O.K.; Grishin, Y.K.; Ustynyuk, Y.A.,
The photoelectron spectra of alkylmercury chlorides,
J. Struct. Chem., 1981, 22, 616, In original 164. [all data]
Baidin, Chizhov, et al., 1981, 2
Baidin, V.N.; Chizhov, Y.V.; Timoshenko, M.M.; Ustynyuk, Y.A.; Kritskaya, I.I.,
He(I) photoelectronic spectra of organic compounds with a mercury atom attached to an sp2 hybridized carbon,
Bull. Acad. Sci. USSR, Div. Chem. Sci., 1981, 2362. [all data]
Glockling, Irwin, et al., 1976
Glockling, F.; Irwin, J.G.; Morrison, R.J.; Sweeney, J.J.,
A mass spectroscopic study of organomercurials and mercuric halides,
Inorg. Chim. Acta, 1976, 19, 267. [all data]
Gowenlock, Haynes, et al., 1962
Gowenlock, B.G.; Haynes, R.M.; Majer, J.R.,
Electron impact measurement on some organomercury compounds,
J. Chem. Soc. Faraday Trans., 1962, 58, 1905. [all data]
Baidin, Timoshenko, et al., 1985
Baidin, V.N.; Timoshenko, M.M.; Chizhov, Y.V.; Ustynyuk, Y.A.; Kritskaya, I.I.,
Photoelectron spectra nad the structure of organomercury compounds,
J. Organomet. Chem., 1985, 292, 55. [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]
Notes
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- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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