Tetraethylgermanium

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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

Quantity Value Units Method Reference Comment
Tboil435.4KN/ADibrivnyi, Dolbneva, et al., 1986Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus180.47KN/AStaveley, Warren, et al., 1954Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple179.99KN/ARabinovich, Sheiman, et al., 1985Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple180.3KN/AMaslova, Rabinovich, et al., 1972Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δvap10.9 ± 0.1kcal/molCC-SBAbraham and Irving, 1980Other values for the enthalpy of vaporization have been reported: 10.7 ± 0.31 kcal/mol Rabinovich, Tel'noi, et al., 1963 and 9.70 kcal/mol Shaulov, Federov, et al., 1969.; MS
Δvap10.9 ± 0.1kcal/molCPeacock and Fuchs, 1977AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
10.4273.GSGazicki, 1992Based on data from 253. - 293. K.; AC
11.0352.N/AMogul, Hochberg, et al., 1974Based on data from 337. - 436. 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
337.39 - 436.693.621971217.454-101.57Mogul, Hochberg, et al., 1974Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
2.9426179.99Rabinovich, Sheiman, et al., 1985, 2DH
3.0151180.3Maslova, Rabinovich, et al., 1972, 2DH
2.9651180.47Staveley, Warren, et al., 1954, 2DH
2.942180.3Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
16.25179.99Rabinovich, Sheiman, et al., 1985, 2DH
16.7180.3Maslova, Rabinovich, et al., 1972, 2DH
16.43180.47Staveley, Warren, et al., 1954, 2DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dibrivnyi, Dolbneva, et al., 1986
Dibrivnyi, V.N.; Dolbneva, T.N.; Dikii, M.A., Saturated vapor pressure and vaporization enthalpies of aromatic peroxides in Vses. Konf. po Kalorimetrii i Khim. Termodinamike, 11th, Novosibirsk, Nr 2, p 115, 1986. [all data]

Staveley, Warren, et al., 1954
Staveley, L.A.K.; Warren, J.B.; Paget, H.P.; Dowrick, D.J., Some Thermodynamic Properties of Compounds of the Formula MX4 II. Tetraalkyl Compounds, J. Chem. Soc., 1954, 1954, 1992. [all data]

Rabinovich, Sheiman, et al., 1985
Rabinovich, I.B.; Sheiman, M.S.; Nistratov, V.P.; Kamelova, G.P.; Zorin, A.D., The heat capacity and thermodynamic characteristics of tetraethylgermane, Zh. Fiz. Khim., 1985, 59, 2414. [all data]

Maslova, Rabinovich, et al., 1972
Maslova, V.A.; Rabinovich, I.B.; Nistoalov, V.P.; Faminskaya, L.A., Specific heat and phase transition of some alkyl compounds of silicon, germanium, and tin, Tr. Khim. Khim. Tekhnol., 1972, 1972, 44. [all data]

Abraham and Irving, 1980
Abraham, M.H.; Irving, R.J., J. Chem. Thermodyn., 1980, 12, 539. [all data]

Rabinovich, Tel'noi, et al., 1963
Rabinovich, I.B.; Tel'noi, V.I.; Karyakin, N.V.; Razuvaev, G.A., Dokl. Akad. Nauk SSSR, 1963, 149, 324. [all data]

Shaulov, Federov, et al., 1969
Shaulov, Yu.Kh.; Federov, A.K.; Genchel, V.G., Russ. J. Phys. Chem., 1969, 43, 744. [all data]

Peacock and Fuchs, 1977
Peacock, L. Alan; Fuchs, Richard, Enthalpy of vaporization measurements by gas chromatography, J. Am. Chem. Soc., 1977, 99, 16, 5524-5525, https://doi.org/10.1021/ja00458a070 . [all data]

Gazicki, 1992
Gazicki, Maciej, Precise measurement of flow rates of vaporized tetraethylgermanium carried by an inert gas, J. Vac. Sci. Technol. A, 1992, 10, 1, 51-555, https://doi.org/10.1116/1.578149 . [all data]

Mogul, Hochberg, et al., 1974
Mogul, Philip H.; Hochberg, Marc C.; Michiel, Robert; Nestel, Glenn K.; Wamsley, Brian L.; Coren, Seth D., Physical properties of tetra-n-alkylgermanes (C1-C6), J. Chem. Eng. Data, 1974, 19, 1, 4-6, https://doi.org/10.1021/je60060a029 . [all data]

Rabinovich, Sheiman, et al., 1985, 2
Rabinovich, I.B.; Sheiman, M.S.; Nistratov, V.P.; Kamelova, G.P.; Zorin, A.D., The heat capacity and thermodynamic characteristics of tetraethylgermane, Zhur. Fiz. Khim., 1985, 59, 2414-2417. [all data]

Maslova, Rabinovich, et al., 1972, 2
Maslova, V.A.; Rabinovich, I.B.; Nistoalov, V.P.; Faminskaya, L.A., Specific heat and phase transitions of some alkyl compounds of silicon, germanium, and tin, Tr. Khim. Khim. Tekhnol., 1972, (2), 44-50. [all data]

Staveley, Warren, et al., 1954, 2
Staveley, L.A.K.; Warren, J.B.; Paget, H.P.; Dowrick, D.J., Some thermodynamic properties of compounds of the formula MX4. Part II. Tetra-alkyl compounds, 1954, J. [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]


Notes

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