Nonane, 2-methyl-

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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: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-62.19kcal/molN/AMoore, Renquist, et al., 1940Value computed using ΔfHliquid° value of -309.8±2.4 kj/mol from Moore, Renquist, et al., 1940 and ΔvapH° value of 49.64 kj/mol from missing citation.

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-74.04 ± 0.57kcal/molCcbMoore, Renquist, et al., 1940Reanalyzed by Cox and Pilcher, 1970, Original value = -74.54 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-1617.94 ± 0.56kcal/molCcbMoore, Renquist, et al., 1940Reanalyzed by Cox and Pilcher, 1970, Original value = -1617.26 ± 0.56 kcal/mol; Corresponding Δfliquid = -74.04 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid100.4cal/mol*KN/AParks, West, et al., 1941Extrapolation below 80 K, 81.42 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
74.880298.1Parks, West, et al., 1941T = 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:
BS - Robert L. Brown and Stephen E. Stein
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
Tboil440.0KN/AWeast and Grasselli, 1989BS
Tboil440.2KN/AMajer and Svoboda, 1985 
Tboil440.15KN/AMears, Fookson, et al., 1950Uncertainty assigned by TRC = 0.15 K; TRC
Tboil440.0KN/ACalingaert and Soroos, 1936Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tfus201.5KN/AMears, Fookson, et al., 1950Uncertainty assigned by TRC = 0.15 K; TRC
Tfus198.79KN/AParks, West, et al., 1941, 2Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple198.8KN/AParks, West, et al., 1941, 2Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc610.7KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Δvap11.86kcal/molN/AMajer and Svoboda, 1985 
Δvap12.2kcal/molN/AReid, 1972AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
9.137440.2N/AMajer and Svoboda, 1985 
11.1 ± 0.05339.AStephenson and Malanowski, 1987Based on data from 324. to 441. K.; AC
11.3 ± 0.05328.CMajer, Svoboda, et al., 1984AC
11.0 ± 0.05343.CMajer, Svoboda, et al., 1984AC
10.8 ± 0.05358.CMajer, Svoboda, et al., 1984AC

Enthalpy of vaporization

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

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Temperature (K) A (kcal/mol) β Tc (K) Reference Comment
328. to 368.17.000.3107610.7Majer and Svoboda, 1985 

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
4.180198.8Domalski and Hearing, 1996AC
4.1800198.8Parks, West, et al., 1941DH

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
21.03198.8Parks, 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:


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.

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, 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]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]

Mears, Fookson, et al., 1950
Mears, T.W.; Fookson, A.; Pomerantz, P.; Rich, E.H.; Dussinger, C.S.; Howard, F.L., Syntheses and Properties of Two Olefins, Six Paraffins, and Their Intermediates, J. Res. Natl. Bur. Stand. (U. S.), 1950, 44, 299. [all data]

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

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]

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]

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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