Methylmercuric iodide
- Formula: CH3HgI
- Molecular weight: 342.53
- IUPAC Standard InChI: InChI=1S/CH3.Hg.HI/h1H3;;1H/q;+1;/p-1
- IUPAC Standard InChIKey: JVDIOYBHEYUIBM-UHFFFAOYSA-M
- CAS Registry Number: 143-36-2
- 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: Mercury, iodomethyl-; Iodomethylmercury; Methyliodomercury; Methylmercury iodide; CH3HgI; Methylmercury(II) iodide
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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 | 5.16 ± 0.60 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on 13.8 ± 0.72 kcal/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 | -10.4 ± 0.45 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on 13.8 ± 0.72 kcal/mol for the enthalpy of formation of Hg(Me)2(l). |
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 15.6 ± 0.41 | kcal/mol | RSC | Charnley and Skinner, 1951 | MS |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 15.6 ± 0.38 | 276. | V | Charnley and Skinner, 1951, 2 | Based on data from 263. to 290. K.; AC |
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 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) +
(cr) = 2
(cr)
By formula: C2H6Hg (l) + HgI2 (cr) = 2CH3HgI (cr)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -9.51 ± 0.38 | kcal/mol | RSC | Hartley, Pritchard, et al., 1950 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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]
Charnley and Skinner, 1951
Charnley, T.; Skinner, H.A.,
J. Chem. Soc., 1951, 1921.. [all data]
Charnley and Skinner, 1951, 2
Charnley, T.; Skinner, H.A.,
424. Measurements of the vapour pressures of some alkylmercury halides. The latent heats of sublimation of methyl- and ethyl- mercury halides,
J. Chem. Soc., 1951, 1921, https://doi.org/10.1039/jr9510001921
. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
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 ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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