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Cyclopentane, ethyl-

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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.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas-127.1 ± 1.0kJ/molCcbProsen, Johnson, et al., 1946ALS
Deltafgas-129.4kJ/molN/AMoore, Renquist, et al., 1940Value computed using «DELTA»fHliquid° value of -165.8±1.6 kj/mol from Moore, Renquist, et al., 1940 and «DELTA»vapH° value of 36.4 kj/mol from Prosen, Johnson, et al., 1946.; DRB
Quantity Value Units Method Reference Comment
gas378.32J/mol*KN/AStull D.R., 1969This value was obtained using low temperature data of [ Gross M.E., 1953].; GT

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
49.4850.Thermodynamics Research Center, 1997p=1 bar. Selected values are in close agreement with those calculated by a method of increments [ Kilpatrick J.E., 1947].; GT
65.17100.
77.76150.
92.61200.
122.1273.15
133.6298.15
134.5300.
182.0400.
224.8500.
260.6600.
290.5700.
315.7800.
337.1900.
355.41000.
371.21100.
384.71200.
396.41300.
406.51400.
415.21500.
432.51750.
445.02000.
454.22250.
461.12500.
466.52750.
470.73000.

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.

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons, J. Res. NBS, 1946, 37, 51-56. [all data]

Moore, Renquist, et al., 1940
Moore, G.E.; Renquist, M.L.; Parks, G.S., Thermal data on organic compounds. XX. Modern combustion data for two methylnonanes, methyl ethyl ketone, thiophene and six cycloparaffins, J. Am. Chem. Soc., 1940, 62, 1505-1507. [all data]

Stull D.R., 1969
Stull D.R., Jr., The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]

Gross M.E., 1953
Gross M.E., Low-temperature thermal data for some C7H14 alkylcyclopentanes, J. Am. Chem. Soc., 1953, 75, 2801-2804. [all data]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Kilpatrick J.E., 1947
Kilpatrick J.E., Heats, equilibrium constants, and free energies of formation of the alkylcyclopentanes and alkylcyclohexanes, J. Res. Nat. Bur. Stand., 1947, 39, 523-543. [all data]


Notes

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