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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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 | 14. ± 1. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
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 |
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Ttriple | 236.98 | K | N/A | Rabinovich, Nistratov, et al., 1988, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
| Ttriple | 239.80 | K | N/A | Gibin, Grishnova, et al., 1987 | Uncertainty assigned by TRC = 0.02 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 9.27 ± 0.1 | kcal/mol | CC-SB | Sokolovskii and Baev, 1984 | Another value for the enthalpy of vaporization has been reported: 9.61 ± 0.50 kcal/mol Bamford, Levi, et al., 1946.; MS |
| ΔvapH° | 9.06 | kcal/mol | N/A | House, 1983 | AC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 9.54 | 265. | Stull, 1947 | Based on data from 250. to 391. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 250.8 to 391. | 4.40874 | 1571.638 | -34.978 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 4.3141 | 239.80 | Gibin, Grishnova, et al., 1987 | DH |
| 4.314 | 239.8 | Gibin, Grishnova, et al., 1987, 2 | Based on data from 18. to 273. K.; AC |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 18.00 | 239.80 | Gibin, Grishnova, et al., 1987 | DH |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 0.445 | 148.4 | Domalski and Hearing, 1996 | CAL |
| 16.78 | 237.0 |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.06582 | 148.4 | crystaline, II | crystaline, I | Rabinovich, Nistratov, et al., 1988 | DH |
| 3.9756 | 236.98 | crystaline, I | liquid | Rabinovich, Nistratov, et al., 1988 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.507 | 148.4 | crystaline, II | crystaline, I | Rabinovich, Nistratov, et al., 1988 | DH |
| 16.78 | 236.98 | crystaline, I | liquid | Rabinovich, Nistratov, et al., 1988 | 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. |
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
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.6 | PE | Creber and Bancroft, 1980 | Vertical value; LLK |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, NIST Subscription Links, 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]
Rabinovich, Nistratov, et al., 1988, 2
Rabinovich, I.B.; Nistratov, V.P.; Fedoseev, V.B.; Sheiman, M.S.; Kamelova, G.P.; Karataev, E.N.,
Low-temperature specific heat and thermodynamic functions of diethylzine,
Zh. Fiz. Khim., 1988, 62, 1349. [all data]
Sokolovskii and Baev, 1984
Sokolovskii, A.E.; Baev, A.K.,
Zh. Obshch. Khim., 1984, 54, 103. [all data]
Bamford, Levi, et al., 1946
Bamford, C.H.; Levi, D.L.; Newitt, D.M.,
J. Chem. Soc., 1946, 468.. [all data]
House, 1983
House, J.E.,
Cohesion energies and solubility parameters for triethylboron and diethylzinc,
Thermochimica Acta, 1983, 71, 1-2, 215-218, https://doi.org/10.1016/0040-6031(83)80370-0
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Gibin, Grishnova, et al., 1987, 2
Gibin, A.M.; Grishnova, N.D.; Gusev, A.V.; Moiseev, A.N.; Remeshkova, I.I.; Salganskii, Y.M.,
Vysokochist. Veshchestva, 1987, 28. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [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]
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]
Notes
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- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction 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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