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Cyclopentane

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Phase change data

Go To: Top, References, Notes

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil322.4 ± 0.3KAVGN/AAverage of 35 out of 40 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus179.2 ± 0.8KAVGN/AAverage of 26 out of 28 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple179.71KN/ADouslin and Huffman, 1946Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; To = 273.16 K; TRC
Ttriple179.71KN/ADouslin and Huffman, 1946Crystal phase 1 phase; Uncertainty assigned by TRC = 0.007 K; To = 273.16 K; TRC
Ttriple179.69KN/AAston, Finke, et al., 1943Uncertainty assigned by TRC = 0.08 K; TRC
Ttriple179.0KN/AJacobs and Parks, 1934Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc511.7 ± 0.2KN/ADaubert, 1996 
Tc511.6KN/AMajer and Svoboda, 1985 
Tc511.7KN/AKudchadker, Alani, et al., 1968Uncertainty assigned by TRC = 0.2 K; TRC
Tc511.6KN/AAmbrose and Grant, 1957Uncertainty assigned by TRC = 0.15 K; TRC
Tc511.75KN/AKay, 1947Uncertainty assigned by TRC = 0.05 K; TRC
Quantity Value Units Method Reference Comment
Pc45.1 ± 0.4barN/ADaubert, 1996 
Pc45.08barN/AKudchadker, Alani, et al., 1968Uncertainty assigned by TRC = 0.4053 bar; TRC
Pc44.30barN/AAmbrose and Grant, 1957Uncertainty assigned by TRC = 0.5066 bar; TRC
Pc45.1403barN/AKay, 1947Uncertainty assigned by TRC = 0.0506 bar; TRC
Quantity Value Units Method Reference Comment
Vc0.259l/molN/ADaubert, 1996 
Quantity Value Units Method Reference Comment
rhoc3.85 ± 0.04mol/lN/ADaubert, 1996 
rhoc3.850mol/lN/AKudchadker, Alani, et al., 1968Uncertainty assigned by TRC = 0.06 mol/l; TRC
rhoc3.85mol/lN/AKay, 1947Uncertainty assigned by TRC = 0.03 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap28.8 ± 0.6kJ/molAVGN/AAverage of 8 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
27.3322.4N/AMajer and Svoboda, 1985 
29.213298.15N/AAston, Fink, et al., 1943P = 41.10 kPa; DH
29.2295.AStephenson and Malanowski, 1987Based on data from 280. - 331. K.; AC
28.0337.AStephenson and Malanowski, 1987Based on data from 322. - 384. K.; AC
27.2396.AStephenson and Malanowski, 1987Based on data from 381. - 455. K.; AC
27.5467.AStephenson and Malanowski, 1987Based on data from 452. - 511. K.; AC
27.9 ± 0.1310.CMcCullough, Pennington, et al., 1959AC
27.3 ± 0.1322.CMcCullough, Pennington, et al., 1959AC
27.4323.N/ASpitzer and Pitzer, 1946AC
29.0304.MMWillingham, Taylor, et al., 1945Based on data from 289. - 323. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) beta Tc (K) Reference Comment
298. - 323.41.640.2597511.6Majer and Svoboda, 1985 

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
97.98298.15Aston, Fink, et al., 1943P; DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
288.86 - 323.184.002881119.208-42.412Williamham, Taylor, et al., 1945 
225.90 - 287.394.247141235.305-30.666Aston, Fink, et al., 1943Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
42.6122.BBondi, 1963AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
0.6179.7Domalski and Hearing, 1996AC

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
5.195121.95crystaline, IIIcrystaline, IIRahm and Gmelin, 1992DH
0.361138.22crystaline, IIcrystaline, IRahm and Gmelin, 1992DH
0.615179.21crystaline, IliquidRahm and Gmelin, 1992DH
4.8844122.36crystaline, IIIcrystaline, IISzasz, Morrison, et al., 1947DH
0.3427138.07crystaline, IIcrystaline, ISzasz, Morrison, et al., 1947Temperature from 43AST/FIN.; DH
0.6038179.69crystaline, IliquidSzasz, Morrison, et al., 1947Temperature from 43AST/FIN.; DH
4.8840122.39crystaline, IIIcrystaline, IIDouslin and Huffman, 1946, 2DH
0.34443138.09crystaline, IIcrystaline, IDouslin and Huffman, 1946, 2DH
0.60894179.71crystaline, IliquidDouslin and Huffman, 1946, 2DH
4.874122.39crystaline, IIIcrystaline, IIAston, Fink, et al., 1943DH
0.3464138.07crystaline, IIcrystaline, IAston, Fink, et al., 1943DH
0.602179.69crystaline, IliquidAston, Fink, et al., 1943DH
4.745121.6crystaline, IIIcrystaline, IIJacobs and Parks, 1934, 2DH
0.3582137.1crystaline, IIcrystaline, IJacobs and Parks, 1934, 2DH
0.6046179.0crystaline, IliquidJacobs and Parks, 1934, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
39.92122.36crystaline, IIIcrystaline, IISzasz, Morrison, et al., 1947DH
2.48138.07crystaline, IIcrystaline, ISzasz, Morrison, et al., 1947Temperature; DH
3.36179.69crystaline, IliquidSzasz, Morrison, et al., 1947Temperature; DH
39.91122.39crystaline, IIIcrystaline, IIDouslin and Huffman, 1946, 2DH
2.49138.09crystaline, IIcrystaline, IDouslin and Huffman, 1946, 2DH
3.38179.71crystaline, IliquidDouslin and Huffman, 1946, 2DH
39.82122.39crystaline, IIIcrystaline, IIAston, Fink, et al., 1943DH
2.51138.07crystaline, IIcrystaline, IAston, Fink, et al., 1943DH
3.35179.69crystaline, IliquidAston, Fink, et al., 1943DH
39.02121.6crystaline, IIIcrystaline, IIJacobs and Parks, 1934, 2DH
2.61137.1crystaline, IIcrystaline, IJacobs and Parks, 1934, 2DH
3.38179.0crystaline, IliquidJacobs and Parks, 1934, 2DH

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

Go To: Top, Phase change data, Notes

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

Douslin and Huffman, 1946
Douslin, D.R.; Huffman, H.M., The heat capacities, heats of transition, heats of fusion and entropies of cyclopentane, methylcyclopentane and methylcyclohexane., J. Am. Chem. Soc., 1946, 68, 173. [all data]

Aston, Finke, et al., 1943
Aston, J.G.; Finke, H.L.; Schumann, S.C., The heat capacity and entropy, heats of transition, fusion and vaporization and the vapor pressures of cyclopentane. Evidence for a non-planar structure, J. Am. Chem. Soc., 1943, 65, 341. [all data]

Jacobs and Parks, 1934
Jacobs, C.J.; Parks, G.S., Thermal data on organic compounds. XIV. Some heat capacity, entropy and free energy data for cyclic substances, J. Am. Chem. Soc., 1934, 56, 1513-17. [all data]

Daubert, 1996
Daubert, T.E., Vapor-Liquid Critical Properties of Elements and Compounds. 5. Branched Alkanes and Cycloalkanes, J. Chem. Eng. Data, 1996, 41, 365-372. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Kudchadker, Alani, et al., 1968
Kudchadker, A.P.; Alani, G.H.; Zwolinski, B.J., The Critical Constants of Organic Substances, Chem. Rev., 1968, 68, 659. [all data]

Ambrose and Grant, 1957
Ambrose, D.; Grant, D.G., The Critical Temperatures of Some Hydrocarbons and Pyridine Bases, Trans. Faraday Soc., 1957, 53, 771. [all data]

Kay, 1947
Kay, W.B., Vapor Pressures and Saturated Liquid and Vapor DEensities of Cyclopentane, Methylcyclopentane, Ethylcyclopentane, and Methylcyclohexane, J. Am. Chem. Soc., 1947, 69, 1273-7. [all data]

Aston, Fink, et al., 1943
Aston, J.G.; Fink, H.L.; Schumann, S.C., The heat capacity and entropy, heats of transition, fusion and vaporization and the vapor pressures of cyclopentane. Evidence for a non-planar structure, J. Am. Chem. Soc., 1943, 65, 341-346. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

McCullough, Pennington, et al., 1959
McCullough, J.P.; Pennington, R.E.; Smith, J.C.; Hossenlopp, I.A.; Waddington, G., Thermodynamics of cyclopentane, methylcyclopentane and 1,cis-3-dimethylcyclopentane: Verification of the concept of pseudorotation, J. Am. Chem. Soc., 1959, 81, 5880-5883. [all data]

Spitzer and Pitzer, 1946
Spitzer, Ralph; Pitzer, Kenneth S., The Heat Capacity of Gaseous Cyclopentane, Cyclohexane and Methylcyclohexane, J. Am. Chem. Soc., 1946, 68, 12, 2537-2538, https://doi.org/10.1021/ja01216a032 . [all data]

Willingham, Taylor, et al., 1945
Willingham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D., Vapor pressures and boiling points of some paraffin, alkylcyclopentane, alkylcyclohexane, and alkylbenzene hydrocarbons, J. RES. NATL. BUR. STAN., 1945, 35, 3, 219-17, https://doi.org/10.6028/jres.035.009 . [all data]

Williamham, Taylor, et al., 1945
Williamham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D., Vapor Pressures and Boiling Points of Some Paraffin, Alkylcyclopentane, Alkylcyclohexane, and Alkylbenzene Hydrocarbons, J. Res. Natl. Bur. Stand. (U.S.), 1945, 35, 3, 219-244, https://doi.org/10.6028/jres.035.009 . [all data]

Bondi, 1963
Bondi, A., Heat of Siblimation of Molecular Crystals: A Catalog of Molecular Structure Increments., J. Chem. Eng. Data, 1963, 8, 3, 371-381, https://doi.org/10.1021/je60018a027 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Rahm and Gmelin, 1992
Rahm, U.; Gmelin, E., Low temperature microcalorimetry by differential scanning, J. Therm. Anal., 1992, 38(3), 335-344. [all data]

Szasz, Morrison, et al., 1947
Szasz, G.J.; Morrison, J.A.; Pace, E.L.; Aston, J.G., Thermal properties of cyclopentane and its use as a standard substance in low temperature thermal measurements, J. Chem. Phys., 1947, 15, 562-564. [all data]

Douslin and Huffman, 1946, 2
Douslin, D.R.; Huffman, H.M., The heat capacities, heats of transition, heats of fusion and entropies of cyclopentane, methylcyclopentane and methylcylohexane, J. Am. Chem. Soc., 1946, 68, 173-176. [all data]

Jacobs and Parks, 1934, 2
Jacobs, C.J.; Parks, G.S., Thermal data on organic compounds. XIV. Some heat capacity, entropy and free energy data for cyclic substances, J. Am. Chem. Soc., 1934, 56, 1513-1517. [all data]


Notes

Go To: Top, Phase change data, References