Mercury, diethyl-
- Formula: C4H10Hg
- Molecular weight: 258.71
- IUPAC Standard InChIKey: SPIUPAOJDZNUJH-UHFFFAOYSA-N
- CAS Registry Number: 627-44-1
- 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: Diethylmercury; (C2H5)2Hg
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 90. ± 50. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction 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 as indicated in comments:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 100.1 ± 4.2 | kJ/mol | Review | Martinho Simões | MS |
ΔfH°liquid | 31.2 ± 5.2 | kJ/mol | Review | Martinho Simões | MS |
ΔfH°liquid | 32.2 ± 5.3 | kJ/mol | Review | Martinho Simões | MS |
ΔfH°liquid | 30.2 ± 1.5 | kJ/mol | Review | Martinho Simões | Selected data. Average of the values from Carson, Carson, et al., 1952 and Hartley, Pritchard, et al., 1951.; MS |
ΔfH°liquid | 27.2 ± 0.8 | kJ/mol | CC-SB | Carson, Carson, et al., 1952 | Value corrected based on a set of ancillary data by J.A. Martinho Simões; Please also see Cox and Pilcher, 1970. The enthalpy of combustion is not reported in Carson, Carson, et al., 1952.; MS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3103.3 ± 4.2 | kJ/mol | CC-SB | Lautsch, Erzberger, et al., 1958 | Please also see Cox and Pilcher, 1970.; MS |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | 72.0 | kJ/mol | Review | Martinho Simões | MS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3075.2 | kJ/mol | CC-SB | Berthelot, 1899 | Please also see Berthelot, 1900.; MS |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
182.3 | 298.15 | Burchalova, Kamelova, et al., 1978 | T = 5 to 300 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 181.45 | K | N/A | Burchalova, Kamelova, et al., 1978, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 44.8 ± 1.7 | kJ/mol | CC-SB | Thompson and Linnett, 1936 | MS |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 44.8 ± 1.7 | kJ/mol | CC-SB | Thompson and Linnett, 1936 | MS |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.500 | 181.45 | Burchalova, Kamelova, et al., 1978 | DH |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
57.87 | 181.45 | Burchalova, Kamelova, et al., 1978 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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) +
(cr) = 2C2H5HgI (cr)
By formula: C4H10Hg (l) + HgI2 (cr) = 2C2H5HgI (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -55.2 ± 5.4 | kJ/mol | RSC | Hartley, Pritchard, et al., 1951 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. |
(l) + Cl2Hg (cr) = 2
(cr)
By formula: C4H10Hg (l) + Cl2Hg (cr) = 2C2H5ClHg (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -87.7 ± 3.6 | kJ/mol | RSC | Hartley, Pritchard, et al., 1951 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. |
(l) +
(cr) = 2C2H5BrHg (cr)
By formula: C4H10Hg (l) + Br2Hg (cr) = 2C2H5BrHg (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -74.5 ± 4.6 | kJ/mol | RSC | Hartley, Pritchard, et al., 1951 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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 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 |
---|---|---|---|
8.5 ± 0.1 | EI | Gowenlock, Haynes, et al., 1962 | RDSH |
8.9 | PE | Creber and Bancroft, 1980 | Vertical value; LLK |
8.45 | PE | Fehlner, Ulman, et al., 1976 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H5+ | 10.3 ± 0.1 | ? | EI | Gowenlock, Haynes, et al., 1962 | RDSH |
C2H5Hg+ | 9.7 ± 0.1 | C2H5 | EI | Gowenlock, Haynes, et al., 1962 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]
Carson, Carson, et al., 1952
Carson, A.S.; Carson, E.M.; Wilmshurst, B.,
Nature, 1952, 170, 320. [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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds
in Academic Press, New York, 1970. [all data]
Lautsch, Erzberger, et al., 1958
Lautsch, W.F.; Erzberger, P.; Tröber, A.,
Wiss. Z. Tech. Hochsch. Chem. Leuna-Merseburg, 1958, 1, 31. [all data]
Berthelot, 1899
Berthelot, M.,
Compt. Rend., 1899, 129, 918. [all data]
Berthelot, 1900
Berthelot, M.,
Ann. Chim. Phys., 1900, 20, 158. [all data]
Burchalova, Kamelova, et al., 1978
Burchalova, G.V.; Kamelova, G.P.; Nistratov, V.P.; Sheiman, M.S.; Rabinovich, I.B.,
Low-temperature heat capacity of diethylmercury,
Termodin. Org. Soedin., 1978, (7), 21-22. [all data]
Burchalova, Kamelova, et al., 1978, 2
Burchalova, G.V.; Kamelova, G.P.; Nistratov, V.P.; Sheiman, M.S.; Rabinovich, I.B.,
Low-temperature heat capacity of diethylmercury,
Termodin. Org. Soedin., 1978, 1978, 21. [all data]
Thompson and Linnett, 1936
Thompson, H.W.; Linnett, J.W.,
The vapour pressures and association of some metallic and non-metallic alkyls,
Trans. Faraday Soc., 1936, 32, 681, https://doi.org/10.1039/tf9363200681
. [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]
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]
Creber and Bancroft, 1980
Creber, D.K.; Bancroft, G.M.,
Photoelectron studies of dialkyl group 2B compounds: Ligand field splittings intensity variations with photon energy,
Inorg. Chem., 1980, 19, 643. [all data]
Fehlner, Ulman, et al., 1976
Fehlner, T.P.; Ulman, J.; Nugent, W.A.; Kochi, J.K.,
Effect of alkyl substituents on the first ionization potential and on 5d10 ionization in dialkylmercury compounds,
Inorg. Chem., 1976, 15, 2544. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.