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
View 3d structure (requires JavaScript / HTML 5) - Other names: Mercury, iodomethyl-; Iodomethylmercury; Methyliodomercury; Methylmercury iodide; CH3HgI; Methylmercury(II) iodide
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -43.7 ± 1.9 | 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). |
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° | 65.3 ± 1.7 | kJ/mol | RSC | Charnley and Skinner, 1951 | MS |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 65.3 ± 1.6 | 276. | V | Charnley and Skinner, 1951, 2 | Based on data from 263. to 290. K.; AC |
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:
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 |
|---|---|---|---|
| 9.4 ± 0.2 | EI | Glockling, Irwin, et al., 1976 | LLK |
| 9.25 | PE | Eland, 1970 | Vertical value; RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| HgI+ | 12.2 ± 0.2 | CH3 | EI | Glockling, Irwin, et al., 1976 | LLK |
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]
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]
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]
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
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfH°solid Enthalpy of formation of solid 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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