Diethylzinc
- Formula: C4H10Zn
- Molecular weight: 123.50
- IUPAC Standard InChI: InChI=1S/2C2H5.Zn/c2*1-2;/h2*1H2,2H3;
- IUPAC Standard InChIKey: HQWPLXHWEZZGKY-UHFFFAOYSA-N
- CAS Registry Number: 557-20-0
- Chemical structure:
This structure is also available as a 2d Mol file - Permanent link for this species. Use this link for bookmarking this species for future reference.
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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 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 | 4. ± 1. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -806.00 ± 0.50 | kcal/mol | CC-SB | Lautsch, Tröber, et al., 1963 | Please also see Lautsch, Erzberger, et al., 1958 and Cox and Pilcher, 1970.; MS |
| ΔcH°liquid | -805.1 ± 3.2 | kcal/mol | CC-SB | Long and Norrish, 1949 | Please also see Cox and Pilcher, 1970.; MS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 69.36 | cal/mol*K | N/A | Rabinovich, Nistratov, et al., 1988 | DH |
| S°liquid | 66.11 | cal/mol*K | N/A | Gibin, Grishnova, et al., 1987 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 46.46 | 298.15 | Rabinovich, Nistratov, et al., 1988 | T = 5 to 300 K.; DH |
| 45.15 | 298.15 | Gibin, Grishnova, et al., 1987 | T = 18 to 273 K.; DH |
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) + (
• 100
) (solution) = 2
(g) + (
• 100
) (solution)
By formula: C4H10Zn (l) + (H2O4S • 100H2O) (solution) = 2C2H6 (g) + (O4SZn • 100H2O) (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -84.7 ± 1.0 | kcal/mol | RSC | Carson, Hartley, et al., 1949 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. |
References
Go To: Top, Condensed 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.
Lautsch, Tröber, et al., 1963
Lautsch, W.F.; Tröber, A.; Zimmer, W.; Mehner, L.; Linck, W.; Lehmann, H.M.; Brandenberger, H.; Korner, H.; Metschker, H.-J.; Wagner, K.; Kaden, R.,
Z. Chem., 1963, 3, 415. [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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds
in Academic Press, New York, 1970. [all data]
Long and Norrish, 1949
Long, L.H.; Norrish, R.G.W.,
Phil. Trans. Roy. Soc. (London), 1949, A241, 587. [all data]
Rabinovich, Nistratov, et al., 1988
Rabinovich, I.B.; Nistratov, V.P.; Fedoseev, V.B.; Sheiman, M.S.; Kamelova, G.P.; Karataev, E.N.; Feshchenko, I.A.,
Low-temperature specific heat and thermodynamic functions of diethylzinc,
Zhur.Fiz. Khim., 1988, 62, 1349-1352. [all data]
Gibin, Grishnova, et al., 1987
Gibin, A.M.; Grishnova, N.D.; Gusev, A.V.; Moiseev, A.N.; Remeshkova, I.I.; Salganskii, Yu.M.,
Study of the heat capacity of high-purity diethyl zinc at 18-273 K,
Vysokochist. Veshchestva, 1987, (6), 28-32. [all data]
Carson, Hartley, et al., 1949
Carson, A.S.; Hartley, K.; Skinner, H.A.,
Thermochemistry of metal alkyls. Part II.?The bond dissociation energies of some Zn?C and Cd?C bonds, and of Et?I.,
Trans. Faraday Soc., 1949, 45, 1159, https://doi.org/10.1039/tf9494501159
. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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