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Tetramethoxygermanium


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
Deltafgas-803.8 ± 2.7kJ/molReviewMartinho SimõesThe enthalpy of formation has been derived on the basis of GeO2(am).

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 by: José A. Martinho Simões

Quantity Value Units Method Reference Comment
Deltafliquid-844.0 ± 2.7kJ/molReviewMartinho SimõesThe enthalpy of formation has been derived on the basis of GeO2(am).
Quantity Value Units Method Reference Comment
Deltacliquid-2984.0 ± 1.7kJ/molCC-SBShaulov, Fedorov, et al., 1970Authors have accepted the formation of GeO2(cr, hexagonal).

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:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões

Quantity Value Units Method Reference Comment
Deltavap48.7kJ/molN/APangrác, Fulem, et al., 2008Based on data from 264. - 303. K.; AC
Deltavap40.2 ± 0.4kJ/molCC-SBShaulov, Fedorov, et al., 1970MS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Reference Comment
44.0344.Bradley, Kay, et al., 1958Based on data from 303. - 385. K.; AC

Mass spectrum (electron ionization)

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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: 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 G.Dube,Z.Chem.,9,316(1969)
NIST MS number 280268

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, Fedorov, et al., 1970
Shaulov, Yu.Kh.; Fedorov, A.K.; Zueva, G.Ya.; Borisyuk, G.V.; Genchel, V.G., Russ. J. Phys. Chem., 1970, 44, 1181. [all data]

Pangrác, Fulem, et al., 2008
Pangrác, J.; Fulem, M.; Hulicius, E.; Melichar, K.; Simecek, T.; Ruzicka, K.; Morávek, P.; Ruzicka, V.; Rushworth, S.A., Vapor pressure of germanium precursors, Journal of Crystal Growth, 2008, 310, 23, 4720-4723, https://doi.org/10.1016/j.jcrysgro.2008.06.063 . [all data]

Bradley, Kay, et al., 1958
Bradley, D.C.; Kay, L.J.; Swanwick, J.D.; Wardlaw, W., 732. Germanium esters. Part II. Intermolecular forces and liquid structure, J. Chem. Soc., 1958, 3656, https://doi.org/10.1039/jr9580003656 . [all data]


Notes

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