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Cyclopropane

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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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas9.392kcal/molCmLacher, Walden, et al., 1950Heat of hydrobromination; ALS
Deltafgas12.74 ± 0.14kcal/molCmKnowlton and Rossini, 1949ALS
Quantity Value Units Method Reference Comment
Deltacgas-499.85 ± 0.13kcal/molCmKnowlton and Rossini, 1949Corresponding «DELTA»fgas = 12.75 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
7.94950.Dorofeeva O.V., 1986Selected S(T) and Cp(T) values are in good agreement with those calculated earlier [ Kobe K.A., 1950]. The agreement with the data of [80KAR/PAM] increases as the temperature increases (up to 2 J/mol*K in Cp(1000 K)).; GT
7.964100.
8.260150.
9.300200.
12.12273.15
13.28 ± 0.24298.15
13.37300.
18.18400.
22.43500.
25.942600.
28.843700.
31.288800.
33.380900.
35.1841000.
36.7471100.
38.1051200.
39.2881300.
40.3181400.
41.2171500.

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
8.456157.8Kistiakowsky G.B., 1940Please also see Kistiakowsky G.B., 1940, 2.; GT
10.08220.1
10.17223.7
11.63258.7
12.10272.15
13.06291.4
13.21295.5
13.50300.48
14.17313.9
14.17316.7
14.56325.1
14.86332.8
15.10333.70
15.36338.9
15.12339.6
16.77368.46

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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid34.089cal/mol*KN/ARuehrwein and Powell, 1946 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
19.44240.Ruehrwein and Powell, 1946T = 14 to 240 K.

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 as indicated in comments:
B - John E. Bartmess
ALS - 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

C3H5- + Hydrogen cation = Cyclopropane

By formula: C3H5- + H+ = C3H6

Quantity Value Units Method Reference Comment
Deltar410. ± 3.kcal/molAVGN/AAverage of 5 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar401. ± 3.kcal/molAVGN/AAverage of 3 out of 6 values; Individual data points

Hydrogen bromide + Cyclopropane = Propane, 1-bromo-

By formula: HBr + C3H6 = C3H7Br

Quantity Value Units Method Reference Comment
Deltar-25.77 ± 0.32kcal/molCmLacher, Kianpour, et al., 1957gas phase; ALS
Deltar-22.69 ± 0.16kcal/molCmLacher, Walden, et al., 1950gas phase; Heat of hydrobromination; ALS

Propane, 1,3-diiodo- = Cyclopropane + Iodine

By formula: C3H6I2 = C3H6 + I2

Quantity Value Units Method Reference Comment
Deltar18.3 ± 4.0kcal/molEqkBenson and Amano, 1962gas phase; ALS

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.

Lacher, Walden, et al., 1950
Lacher, J.R.; Walden, C.H.; Lea, K.R.; Park, J.D., Vapor phase heats of hydrobromination of cyclopropane and propylene, J. Am. Chem. Soc., 1950, 72, 331-333. [all data]

Knowlton and Rossini, 1949
Knowlton, J.W.; Rossini, F.D., Heats of combustion and formation of cyclopropane, J. Res. NBS, 1949, 43, 113-115. [all data]

Dorofeeva O.V., 1986
Dorofeeva O.V., Thermodynamic properties of twenty-one monocyclic hydrocarbons, J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [all data]

Kobe K.A., 1950
Kobe K.A., Thermochemistry for the petrochemical industry. XIV. Some miscellaneous hydrocarbons, Petrol. Refiner, 1950, 29 (12), 93-96. [all data]

Kistiakowsky G.B., 1940
Kistiakowsky G.B., Gaseous heat capacities. II, J. Chem. Phys., 1940, 8, 610-618. [all data]

Kistiakowsky G.B., 1940, 2
Kistiakowsky G.B., The low temperature gaseous heat capacities of certain C3 hydrocarbons, J. Chem. Phys., 1940, 8, 970-977. [all data]

Ruehrwein and Powell, 1946
Ruehrwein, R.A.; Powell, T.M., The heat capacity, vapor pressure, heats of fusion and vaporization of cyclopropane. Entropy and density of the gas, J. Am. Chem. Soc., 1946, 68, 1063-1068. [all data]

Lacher, Kianpour, et al., 1957
Lacher, J.R.; Kianpour, A.; Park, J.D., Reaction heats of organic halogen compounds. X. Vapor phase heats of hydrobromination of cyclopropane and propylene, J. Phys. Chem., 1957, 61, 1124-1125. [all data]

Benson and Amano, 1962
Benson, S.W.; Amano, A., Thermodynamics of iodine addition to ethylene, propylene, and cyclopropane, J. Chem. Phys., 1962, 36, 3464-3471. [all data]


Notes

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