Nonane, 3-methyl-

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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
liquid427.2J/mol*KN/AParks, West, et al., 1941Extrapolation below 80 K, 77.70 J/mol*K.

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
308.99298.1Parks, West, et al., 1941T = 80 to 300 K.

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil440.9 ± 0.3KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus188.49KN/AParks, West, et al., 1941, 2Uncertainty assigned by TRC = 0.2 K; TRC
Tfus183.15KN/AWhitmore and Orem, 1938Uncertainty assigned by TRC = 0.5 K; TRC
Tfus188.29KN/ACalingaert and Soroos, 1936Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple188.5KN/AParks, West, et al., 1941, 2Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc613.6KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Δvap49.72kJ/molN/AMajer and Svoboda, 1985 
Δvap50.2kJ/molN/AReid, 1972AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
38.26441.N/AMajer and Svoboda, 1985 
47.3 ± 0.2328.CMajer, Svoboda, et al., 1984AC
46.2 ± 0.2343.CMajer, Svoboda, et al., 1984AC
45.1 ± 0.2358.CMajer, Svoboda, et al., 1984AC

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) β Tc (K) Reference Comment
328. to 368.71.280.3131613.6Majer and Svoboda, 1985 

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
18.7188.5Domalski and Hearing, 1996AC
18.698188.5Parks, West, et al., 1941DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
99.20188.5Parks, West, et al., 1941DH

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:


IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, References, Notes

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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Due to licensing restrictions, this spectrum cannot be downloaded.

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-NW-4605
NIST MS number 227579

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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.

Parks, West, et al., 1941
Parks, G.S.; West, T.J.; Moore, G.E., Thermal data on organic compounds. XXI. Some heat capacity, entropy and free energy data for the four methylnonanes, J. Am. Chem. Soc., 1941, 63, 1133-1135. [all data]

Parks, West, et al., 1941, 2
Parks, G.S.; West, T.J.; Moore, G.E., Thermal data on organic compounds. XXI. Some heat capacity, entropy and free energy data form the four methylnonanes., J. Am. Chem. Soc., 1941, 63, 1133. [all data]

Whitmore and Orem, 1938
Whitmore, F.C.; Orem, H.P., A New Synthesis of Teritary Hydrocarbons, J. Am. Chem. Soc., 1938, 60, 2573. [all data]

Calingaert and Soroos, 1936
Calingaert, G.; Soroos, H., The methyl nonanes, J. Am. Chem. Soc., 1936, 58, 635. [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]

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]

Majer, Svoboda, et al., 1984
Majer, V.; Svoboda, V.; Pechacek, J.; Hala, S., Enthalpies of vaporization and cohesive energies of eight C9 to C11, J. Chem. Thermodyn., 1984, 16, 567-572. [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]


Notes

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