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
Δfgas-192.1 ± 0.65kcal/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
Δfliquid-201.7 ± 0.65kcal/molReviewMartinho SimõesThe enthalpy of formation has been derived on the basis of GeO2(am).
Quantity Value Units Method Reference Comment
Δcliquid-713.19 ± 0.41kcal/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
Δvap11.6kcal/molN/APangrác, Fulem, et al., 2008Based on data from 264. to 303. K.; AC
Δvap9.61 ± 0.1kcal/molCC-SBShaulov, Fedorov, et al., 1970MS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
10.5344.Bradley, Kay, et al., 1958Based on data from 303. to 385. K.; AC

References

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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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