Cyclopropane, 1,1,2,2-tetramethyl-

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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-119.8 ± 0.92kJ/molCcbGood, 1971 
Quantity Value Units Method Reference Comment
Δcliquid-4635.62 ± 0.84kJ/molCcbGood, 1971Corresponding Δfliquid = -119.7 kJ/mol (simple calculation by NIST; no Washburn corrections)

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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tboil349.KN/AKelso, Greenlee, et al., 1955Uncertainty assigned by TRC = 0.2 K
Tboil349.KN/AAnonymous, 1951Uncertainty assigned by TRC = 0.2 K
Tboil349.KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.3 K
Tboil349.KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.3 K
Tboil349.04KN/AAnonymous, 1948Uncertainty assigned by TRC = 0.3 K
Quantity Value Units Method Reference Comment
Tfus192.4 ± 0.2KAVGN/AAverage of 10 values; Individual data points

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:


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.

Good, 1971
Good, W.D., The enthalpies of combustion and formation of some alkyl cyclopropanes, J. Chem. Thermodyn., 1971, 3, 539-546. [all data]

Kelso, Greenlee, et al., 1955
Kelso, R.G.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E., The Synthesis, Purification and Properties of Some Polyalkylcyclo- propanes: Reduction of α,.gama.-Dibromides, J. Am. Chem. Soc., 1955, 77, 1751-5. [all data]

Anonymous, 1951
Anonymous, R., , Sunbury Rep. No. 4199, Anglo-Iranian Oil Co., 1951. [all data]

Boord, Greenlee, et al., 1950
Boord, C.E.; Greenlee, K.W.; Derfer, J.M., The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Twelfth Annu. Rep., Ohio State Univ., 1950. [all data]

Anonymous, 1948
Anonymous, R., , Am. Pet. Inst. Res. Proj. 6, Natl. Bur. Stand., 1948. [all data]


Notes

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