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Hexane, 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 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
Deltafliquid-227.4 ± 1.3kJ/molCcbProsen and Rossini, 1945ALS
Deltafliquid-228. ± 1.kJ/molCcbDavies and Gilbert, 1941ALS
Quantity Value Units Method Reference Comment
Deltacliquid-4813.9 ± 1.2kJ/molCcbProsen and Rossini, 1945Corresponding «DELTA»fliquid = -227.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-4813. ± 1.kJ/molCcbDavies and Gilbert, 1941Corresponding «DELTA»fliquid = -228.6 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid309.6J/mol*KN/AHuffman, Parks, et al., 1930Extrapolation below 70 K, 70.71 J/mol*K. Forms glass at low temperatures. Value includes estimated zero point entropy of 17 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
216.7289.2Parks, Thomas, et al., 1936T = 71 to 290 K. Glass at lower temperatures. Value is unsmoothed experimental datum.; DH
214.2289.2Huffman, Parks, et al., 1930T = 71 to 289 K. Value is unsmoothed experimental datum.; DH

References

Go To: Top, Condensed phase thermochemistry data, Notes

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

Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D., Heats of combustion and formation of the paraffin hydrocarbons at 25° C, J. Res. NBS, 1945, 263-267. [all data]

Davies and Gilbert, 1941
Davies, G.F.; Gilbert, E.C., Heats of combustion and formation of the nine isomeric heptanes in the liquid state, J. Am. Chem. Soc., 1941, 63, 2730-2732. [all data]

Huffman, Parks, et al., 1930
Huffman, H.M.; Parks, G.S.; Thomas, S.B., Thermal data on organic compounds. VIII. The heat capacities, entropies and free energies of the isomeric heptanes, J. Am. Chem. Soc., 1930, 52, 3241-3251. [all data]

Parks, Thomas, et al., 1936
Parks, G.S.; Thomas, S.B.; Light, D.W., XII. Some new heat capacity data for organic glasses. The entropy and free energy of DL-lactic acid, J. Chem. Phys., 1936, 4, 64-69. [all data]


Notes

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