Heptylcyclohexane

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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-275.0 ± 1.9kJ/molCcbProsen, Johnson, et al., 1946 

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-353.0 ± 2.3kJ/molCcbMoore, Renquist, et al., 1940Reanalyzed by Cox and Pilcher, 1970, Original value = -355.5 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-8556.6 ± 1.8kJ/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -274.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-8478.5 ± 2.3kJ/molCcbMoore, Renquist, et al., 1940Reanalyzed by Cox and Pilcher, 1970, Original value = -8474.94 kJ/mol; Corresponding Δfliquid = -353.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid446.9J/mol*KN/AParks, Moore, et al., 1949Extrapolation below 80 K, 90.04 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
363.2298.15Parks, Moore, et al., 1949T = 80 to 300 K.; DH

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil510.KN/ASchlenk, 1951Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Tfus232.KN/ASchmidt, 1942Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple232.8KN/AParks, Moore, et al., 1949, 2Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δvap63.72 ± 0.54kJ/molCFuchs and Peacock, 1978ALS
Δvap64.9kJ/molN/AReid, 1972AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
22.22232.8Domalski and Hearing, 1996AC
22.225232.8Parks, Moore, et al., 1949DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
95.5232.8Parks, Moore, et al., 1949DH

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:


Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-IW-1908
NIST MS number 227569

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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
CapillaryRTX-1120.1316.Arey J.S., Nelson R.K., et al., 20056. m/0.1 mm/0.4 μm
CapillaryDB-1140.1346.Beens, Tijssen, et al., 199810. m/0.25 mm/0.25 μm, He
CapillaryDB-160.1322.Beens, Tijssen, et al., 199810. m/0.25 mm/0.25 μm, He

Kovats' RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011343.Ohnishi and Shibamoto, 19842. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C
CapillaryOV-1011343.Ohnishi and Shibamoto, 19842. K/min; Column length: 50. m; Column diameter: 0.23 mm; Tstart: 80. C; Tend: 200. C

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5MS1345.Kallio, Jussila, et al., 200620. m/0.25 mm/0.25 μm, 60. C @ 4. min, 5. K/min, 240. C @ 15. min
CapillaryDB-11328.Beens, Tijssen, et al., 199810. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 30. C; Tend: 225. C
CapillaryUltra-11335.38Haynes and Pitzer, 198550. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-11339.99Haynes and Pitzer, 198550. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-11342.75Haynes and Pitzer, 198550. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-21341.77Haynes and Pitzer, 198550. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-21346.47Haynes and Pitzer, 198550. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C
CapillaryUltra-21349.58Haynes and Pitzer, 198550. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Parks, Moore, et al., 1949
Parks, G.S.; Moore, G.E.; Renquist, M.L.; Naylor, B.F.; McClaine, L.A.; Fujii, P.S.; Hatton, J.A., Thermal data on organic compounds. XXV. Some heat capacity, entropy and free energy data for nine hydrocarbons of high molecular weight, J. Am. Chem. Soc., 1949, 71, 3386-3389. [all data]

Schlenk, 1951
Schlenk, W., Justus Liebigs Ann. Chem., 1951, 573, 142-62. [all data]

Schmidt, 1942
Schmidt, A.W., Physical properties of aliphatic compounds, Ber. Dtsch. Chem. Ges. B, 1942, 75, 1399. [all data]

Parks, Moore, et al., 1949, 2
Parks, G.S.; Moore, G.E.; Renquist, M.L.; Naylor, B.F.; McClaine, L.A.; Fujii, P.S.; Hatton, J.A., Thermal Data on Organic Compounds. XXV. Some Heat Capacity, Entropy and Free Energy Data for Nine Hydrocarbons of High Molecular Weight, J. Am. Chem. Soc., 1949, 71, 10, 3386, https://doi.org/10.1021/ja01178a034 . [all data]

Fuchs and Peacock, 1978
Fuchs, R.; Peacock, L.A., Heats of vaporization of monoalkylcyclohexanes by the gas chromatography-calorimetry method, Can. J. Chem., 1978, 56, 2493-24. [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]

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]

Arey J.S., Nelson R.K., et al., 2005
Arey J.S.; Nelson R.K.; Xu L.; Reddy C.M., Using comprehensive two-dimensional gas chromatography retention indices to estimate environmental partitioning properties for a complete set of diesel fuel hydrocarbons, Anal. Chem., 2005, 77, 22, 7172-7182, https://doi.org/10.1021/ac051051n . [all data]

Beens, Tijssen, et al., 1998
Beens, J.; Tijssen, R.; Blomberg, J., Prediction of comprehensive two-dimensional gas chromatographic separations. A theoretical and practical exercise, J. Chromatogr. A, 1998, 822, 2, 233-251, https://doi.org/10.1016/S0021-9673(98)00649-9 . [all data]

Ohnishi and Shibamoto, 1984
Ohnishi, S.; Shibamoto, T., Volatile compounds from heated beef fat and beef fat with glycine, J. Agric. Food Chem., 1984, 32, 5, 987-992, https://doi.org/10.1021/jf00125a008 . [all data]

Kallio, Jussila, et al., 2006
Kallio, M.; Jussila, M.; Rissanen, T.; Anttila, P.; Hartonen, K.; Reissell, A.; Vreuls, R.; Adahchour, M.; Hyotylainen, T., Comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry in the identification of organic compounds in atmospheric aerosols from coniferous forest, J. Chromatogr. A, 2006, 1125, 2, 234-243, https://doi.org/10.1016/j.chroma.2006.05.050 . [all data]

Haynes and Pitzer, 1985
Haynes, P.C., Jr.; Pitzer, E.W., Disengaging solutes in shale- and petroleum-derived jet fuels by altering GC programmed temperature rates, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1985, 8, 5, 230-242, https://doi.org/10.1002/jhrc.1240080504 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References