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Tetraethylgermanium

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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
Deltafgas-34.15 ± 0.93kcal/molReviewMartinho Simões 
Deltafgas-37.9 ± 1.8kcal/molReviewMartinho Simões 
Deltafgas-39.4 ± 1.6kcal/molReviewMartinho SimõesSelected data.
Deltafgas-37.5 ± 1.1kcal/molReviewMartinho Simões 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-45.08 ± 0.93kcal/molReviewMartinho SimõesMS
Deltafliquid-48.8 ± 1.8kcal/molReviewMartinho SimõesMS
Deltafliquid-50.3 ± 1.6kcal/molReviewMartinho SimõesSelected data.; MS
Deltafliquid-48.4 ± 1.1kcal/molReviewMartinho SimõesMS
Quantity Value Units Method Reference Comment
Deltacliquid-1516.0 ± 1.0kcal/molCC-SBShaulov, Federov, et al., 1969MS
Deltacliquid-1517.8 ± 1.5kcal/molCC-RBBills and Cotton, 1964Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS
Deltacliquid-1519.3 ± 0.76kcal/molCC-SBPope and Skinner, 1964Please also see Cox and Pilcher, 1970.; MS
Deltacliquid-1515.6 ± 1.7kcal/molCC-SBRabinovich, Tel'noi, et al., 1963Please also see Cox and Pilcher, 1970.; MS
Quantity Value Units Method Reference Comment
liquid102.5cal/mol*KN/ARabinovich, Sheiman, et al., 1985DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
70.43298.15Rabinovich, Sheiman, et al., 1985T = 8 to 300 K.; DH
74.00298.15Maslova, Rabinovich, et al., 1972T = 60 to 300 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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

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., 1985, 2Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple180.3KN/AMaslova, Rabinovich, et al., 1972, 2Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Deltavap10.9 ± 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
Deltavap10.9 ± 0.1kcal/molCPeacock and Fuchs, 1977AC

Enthalpy of vaporization

DeltavapH (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

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

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
16.25179.99Rabinovich, Sheiman, et al., 1985DH
16.7180.3Maslova, Rabinovich, et al., 1972DH
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:


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-8638
NIST MS number 236751

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

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

Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [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]

Bills and Cotton, 1964
Bills, J.L.; Cotton, F.A., J. Phys. Chem., 1964, 68, 806. [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]

Pope and Skinner, 1964
Pope, A.E.; Skinner, H.A., Thermochemistry of metallic alkyls. Part 12.?Heat of combustion of tetraethyl germanium and of tetrapropyl germanium, Trans. Faraday Soc., 1964, 60, 1404, https://doi.org/10.1039/tf9646001404 . [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]

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, Zhur. Fiz. Khim., 1985, 59, 2414-2417. [all data]

Maslova, Rabinovich, et al., 1972
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]

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, 2
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, 2
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]

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]

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

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References