Diethylzinc
- Formula: C4H10Zn
- Molecular weight: 123.50
- 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.
- 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, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 14. ± 1. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Phase change data
Go To: Top, Gas phase 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
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 | 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)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
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, 2 | DH |
3.9756 | 236.98 | crystaline, I | liquid | Rabinovich, Nistratov, et al., 1988, 2 | 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, 2 | DH |
16.78 | 236.98 | crystaline, I | liquid | Rabinovich, Nistratov, et al., 1988, 2 | DH |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Phase change 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
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, Phase change 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.
Rabinovich, Nistratov, et al., 1988
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]
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]
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]
Rabinovich, Nistratov, et al., 1988, 2
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]
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
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization 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.