Cyclopentane, heptyl-

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

Quantity Value Units Method Reference Comment
Δfgas-230.1 ± 1.8kJ/molCcbProsen, Johnson, et al., 1946Heat of combustion of the gas

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
Δcliquid-7922.1 ± 1.6kJ/molCcbProsen, Johnson, et al., 1946Heat of combustion of the gas; Corresponding Δfliquid = -230.0 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil497.07KN/AMears, Stanley, et al., 1963Uncertainty assigned by TRC = 0.2 K; TRC
Tboil497.07KN/AJessup and Stanley, 1961Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus212.11KN/AMears, Stanley, et al., 1963Uncertainty assigned by TRC = 0.2 K; TRC
Tfus212.11KN/AJessup and Stanley, 1961Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δvap60.8kJ/molN/AReid, 1972AC

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:


Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillarySqualane100.1234.Rang, Orav, et al., 1977Nitrogen or helium; Column length: 100. m; Column diameter: 0.25 mm

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG 4000100.1305.Rang, Orav, et al., 1988 
CapillaryPEG-20M100.1296.Rang, Orav, et al., 1988 
CapillaryPEG-20M120.1303.Rang, Orav, et al., 1988 
CapillaryPEG 4000100.1304.9Rang, Orav, et al., 1977Nitrogen or Helium; Column length: 45. m; Column diameter: 0.25 mm

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]

Mears, Stanley, et al., 1963
Mears, T.W.; Stanley, C.L.; Compere, E.L.; Howard, F.L., Synthesis, purification, and physical properties of seven twelve-carbon hyd rocarbons, J. Res. Natl. Bur. Stand., Sect. A, 1963, 67, 475. [all data]

Jessup and Stanley, 1961
Jessup, R.S.; Stanley, C.L., Heats and volumes of mixing in several c(12) hydrocarbon systems, J. Chem. Eng. Data, 1961, 6, 368-71. [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [all data]

Rang, Orav, et al., 1977
Rang, S.; Orav, A.; Kuningas, K.; Eisen, O., Capillary Gas Chromatography of Monosubstituted Cyclopentenes and Cyclohexenes, Chromatographia, 1977, 10, 3, 115-122, https://doi.org/10.1007/BF02297862 . [all data]

Rang, Orav, et al., 1988
Rang, S.A.; Orav, A.E.; Kuningas, K.R.; Meister, A.E.; Strense, T.V.; Eisen, O.G., Gas-Chromatographic Characteristics of unsaturated hydrocarbons, Academy of Sciences of Estonia SSR, Tallinn, Estonia SSR, 1988, 208. [all data]


Notes

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