Mercury, dimethyl-
- Formula: C2H6Hg
- Molecular weight: 230.66
- IUPAC Standard InChI: InChI=1S/2CH3.Hg/h2*1H3;
- IUPAC Standard InChIKey: ATZBPOVXVPIOMR-UHFFFAOYSA-N
- 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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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 | 94.4 ± 0.9 | kJ/mol | Review | Martinho Simões | |
| ΔfH°gas | 96.4 ± 4.0 | kJ/mol | Review | Martinho Simões | |
| ΔfH°gas | 86.5 ± 2.3 | kJ/mol | Review | Martinho Simões | |
| ΔfH°gas | 92.4 ± 3.1 | kJ/mol | Review | Martinho Simões | Selected data. Average of the values from Carson, Carson, et al., 1952 and Hartley, Pritchard, et al., 1950. |
| ΔfH°gas | 196.8 | kJ/mol | Review | 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 34.6 ± 0.8 | kJ/mol | CC-SB | Long and Cattanach, 1961 | MS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 34.6 ± 0.8 | kJ/mol | CC-SB | Long and Cattanach, 1961 | MS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 36.7 ± 0.1 | 321. | Baev, 2001 | Based on data from 275. to 367. K.; AC |
References
Go To: Top, Gas phase thermochemistry data, Phase change 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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas 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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