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Propane, 2,2-dimethoxy-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Deltafgas-425. ± 1.kJ/molCmWiberg, Morgan, et al., 1994ALS
Deltafgas-424.31 ± 0.98kJ/molCmWiberg and Squires, 1979Hydrolysis; ALS
Deltafgas-421.9kJ/molN/AStern and Dorer, 1962Value computed using «DELTA»fHliquid° value of -457.1±1.0 kj/mol from Stern and Dorer, 1962 and «DELTA»vapH° value of 35.2 kj/mol from Wiberg and Squires, 1979.; DRB

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-460.7 ± 0.8kJ/molCmWiberg, Morgan, et al., 1994ALS
Deltafliquid-459.48 ± 0.64kJ/molCmWiberg and Squires, 1979Hydrolysis; ALS
Deltafliquid-457.06 ± 0.96kJ/molCmStern and Dorer, 1962Reanalyzed by Cox and Pilcher, 1970, Original value = -460. ± 2. kJ/mol; Heat of hydrolysis; ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
217.7298.15Baglay, Gurariy, et al., 1988T = 270 to 340 K. Unsmoothed experimental datum.; DH
218.0298.15Baglai, Baev, et al., 1984T = 273 to 334 K. Cp(liq) = 2.75970 - 0.007898T + 1.9x10-5T2 kJ/kg*K (273 to 334 K).; DH

Reaction 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Water + Propane, 2,2-dimethoxy- = 2Methyl Alcohol + Acetone

By formula: H2O + C5H12O2 = 2CH4O + C3H6O

Quantity Value Units Method Reference Comment
Deltar20.3 ± 0.04kJ/molCmWiberg, Morgan, et al., 1994liquid phase
Deltar20.43 ± 0.04kJ/molCmWiberg and Squires, 1979, 2liquid phase; Heat of hydrolysis
Deltar20.433 ± 0.028kJ/molCmWiberg and Squires, 1979liquid phase; solvent: Water; Hydrolysis
Deltar-16.5 ± 0.2kJ/molCmStern and Dorer, 1962liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 15.4 ± 0.2 kJ/mol; Heat of hydrolysis

2Methyl Alcohol + Acetone = Water + Propane, 2,2-dimethoxy-

By formula: 2CH4O + C3H6O = H2O + C5H12O2

Quantity Value Units Method Reference Comment
Deltar-46. ± 1.kJ/molCmWiberg, Morgan, et al., 1994gas phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

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

Wiberg, Morgan, et al., 1994
Wiberg, K.B.; Morgan, K.M.; Maltz, H., Thermochemistry of carbonyl reactions. 6. A study of hydration equilibria, J. Am. Chem. Soc., 1994, 116, 11067-11077. [all data]

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]

Stern and Dorer, 1962
Stern, J.H.; Dorer, F.H., Standard heats of formation of 2,2-Dimethoxypropane (1), and 2,2 -Diethoxypropane (1). Group additivity theory and calculated heats of formation and five ketals, J. Phys. Chem., 1962, 66, 97-99. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Baglay, Gurariy, et al., 1988
Baglay, A.K.; Gurariy, L.L.; Kuleshov, G.G., Physical properties of compounds used in vitamin synthesis, J. Chem. Eng. Data, 1988, 33, 512-518. [all data]

Baglai, Baev, et al., 1984
Baglai, A.K.; Baev, A.A.; Belousov, V.P.; Beregovykh, V.V.; Grushenko, M.M.; Gurarii, L.L.; Konstantinov, S.G.; Kostyushko, Yu.L.; Kuleshov, G.G.; Pasechnik, N.I.; Petrashkevich, R.I.; Podkovyrov, A.I.; Sitnov, A.A.; Shishko, M.A.; Shulgin, I.L., Investigation of the physico-chemical characteristics of substances utilized in the synthesis of vitamins A and E, Khim. Farm. Zhur., 1984, 18, 1013-1019. [all data]

Wiberg and Squires, 1979, 2
Wiberg, K.B.; Squires, R.R., Thermodynamics of hydrolysis aliphatic ketals. An entropy component of steric effects, J. Am. Chem. Soc., 1979, 101, 5512-5515. [all data]


Notes

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