Tetramethyl orthocarbonate


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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-183.34 ± 0.31kcal/molCmWiberg and Squires, 1979Hydrolysis
Δfliquid-183.4kcal/molCmHine and Klueppet, 1974 

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:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil387.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Δvap9.56 ± 0.18kcal/molEWiberg and Squires, 1979Hydrolysis; ALS
Δvap9.54kcal/molN/AWiberg and Squires, 1979DRB
Δvap9.56kcal/molVHine and Klueppet, 1974ALS
Δvap9.49kcal/molN/AHine and Klueppet, 1974DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
9.85319.Thomas, Smith, et al., 2007Based on data from 304. to 387. 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.

Wiberg and Squires, 1979
Wiberg, K.B.; Squires, R.R., A microprocessor-controlled system for precise measurement of temperature changes. Determination of the enthalpies of hydrolysis of some polyoxygenated hydrocarbons, J. Chem. Thermodyn., 1979, 11, 773-786. [all data]

Hine and Klueppet, 1974
Hine, J.; Klueppet, A.W., Structural effects on rates and equilibria. XVIII. Thermodynamic stability of ortho esters, J. Am. Chem. Soc., 1974, 96, 2924-2929. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Thomas, Smith, et al., 2007
Thomas, Leo H.; Smith, Harry; Davies, Gwyn H., Vapour pressures, molar entropies of vaporisation and liquid-state conformation of alkoxides, J. Chem. Technol. Biotechnol., 2007, 30, 1, 476-480, https://doi.org/10.1002/jctb.503300160 . [all data]


Notes

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