Mercury diiodide
- Formula: HgI2
- Molecular weight: 454.40
- IUPAC Standard InChIKey: YFDLHELOZYVNJE-UHFFFAOYSA-L
- CAS Registry Number: 7774-29-0
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, 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.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -16.13 | kJ/mol | Review | Chase, 1998 | Data last reviewed in March, 1962 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 336.21 | J/mol*K | Review | Chase, 1998 | Data last reviewed in March, 1962 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 1500. to 6000. |
---|---|
A | 62.33281 |
B | 0.021751 |
C | -0.005941 |
D | 0.000511 |
E | -0.108958 |
F | -35.08004 |
G | 411.0186 |
H | -16.12903 |
Reference | Chase, 1998 |
Comment | Data last reviewed in March, 1962 |
Reaction thermochemistry data
Go To: Top, Gas phase 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:
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
By formula: C2H6Hg (l) + 2I2 (cr) = 2CH3I (l) + HgI2 (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -184.5 ± 0.8 | kJ/mol | RSC | Hartley, Pritchard, et al., 1950 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS |
C6H14Hg (l) + (cr) = 2C3H7HgI (cr)
By formula: C6H14Hg (l) + HgI2 (cr) = 2C3H7HgI (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -65.3 ± 1.7 | kJ/mol | RSC | Mortimer, Pritchard, et al., 1952 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS |
C6H14Hg (l) + (cr) = 2C3H7HgI (cr)
By formula: C6H14Hg (l) + HgI2 (cr) = 2C3H7HgI (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -52.9 ± 1.7 | kJ/mol | RSC | Mortimer, Pritchard, et al., 1952 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS |
By formula: C2H6Hg (l) + HgI2 (cr) = 2CH3HgI (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -39.8 ± 1.6 | kJ/mol | RSC | Hartley, Pritchard, et al., 1950 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS |
(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.; MS |
By formula: C12H10Hg (l) + HgI2 (cr) = 2C6H5HgI (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -21.8 ± 0.8 | kJ/mol | RSC | Hartley, Pritchard, et al., 1951 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS |
2 + = C6H14Hg + 2
By formula: 2C3H7I + HgI2 = C6H14Hg + 2I2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 242.3 ± 1.9 | kJ/mol | Cm | Mortimer, Pritchard, et al., 1952, 2 | liquid phase; ALS |
2 + = C6H14Hg + 2
By formula: 2C3H7I + HgI2 = C6H14Hg + 2I2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 215.7 ± 2.4 | kJ/mol | Cm | Mortimer, Pritchard, et al., 1952, 2 | liquid phase; ALS |
References
Go To: Top, Gas phase thermochemistry 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.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [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]
Mortimer, Pritchard, et al., 1952
Mortimer, C.T.; Pritchard, H.O.; Skinner, H.A.,
Thermochemistry of metallic alkyls. Part V.?Mercury di-propyl and mercury di-isopropyl,
Trans. Faraday Soc., 1952, 48, 220, https://doi.org/10.1039/tf9524800220
. [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]
Mortimer, Pritchard, et al., 1952, 2
Mortimer, C.T.; Pritchard, H.O.; Skinner, H.A.,
Thermochemistry of metallic alkyls. Part V - Mercury di-propyl and mercury di-isopropyl,
Trans. Faraday Soc., 1952, 48, 220-229. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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