Heneicosane, 11-decyl-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-167.3 ± 2.2kcal/molCcbParks, West, et al., 1946Heat of vaporization estimated by Cox and Pilcher, 1970; ALS
Δfgas-170.0kcal/molN/AKnowlton and Huffman, 1944Value computed using ΔfHliquid° value of -853.4±8.0 kj/mol from Knowlton and Huffman, 1944 and ΔvapH° value of 142.2 kj/mol from Parks, West, et al., 1946.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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:
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-201.3 ± 2.1kcal/molCcbParks, West, et al., 1946Heat of vaporization estimated by Cox and Pilcher, 1970; ALS
Δfliquid-204.0 ± 1.9kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -204.4 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-4900.4 ± 2.0kcal/molCcbParks, West, et al., 1946Heat of vaporization estimated by Cox and Pilcher, 1970; Corresponding Δfliquid = -201.27 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-4897.7 ± 1.9kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -4897.3 kcal/mol; Corresponding Δfliquid = -203.97 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid259.61cal/mol*KN/AFischl, Naylor, et al., 1945Penn State entropy above. From Stanford data, with extrapolation of 218.0 J/mol*K, S = 1098.3 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
227.0300.Fischl, Naylor, et al., 1945T = 12 to 296 K (Penn State), 80 to 297 K (Stanford); at 300 K, Cp = 949.8 J/mol*K (Penn State), 963.2 J/mol*K (Stanford).; DH

References

Go To: Top, Gas phase thermochemistry data, 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.

Parks, West, et al., 1946
Parks, G.S.; West, T.J.; Naylor, B.F.; Fujii, P.S.; McClaine, L.A., Thermal data on organic compounds. XXIII. Modern combustion data for fourteen hydrocarbons and five polyhydroxy alcohols, J. Am. Chem. Soc., 1946, 68, 2524-2527. [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]

Knowlton and Huffman, 1944
Knowlton, J.W.; Huffman, H.M., The heats of combustion of some substituted eicosanes, heneicosanes and docosanes, J. Am. Chem. Soc., 1944, 66, 1492-1494. [all data]

Fischl, Naylor, et al., 1945
Fischl, F.B.; Naylor, B.G.; Ziemer, C.W.; Parks, G.S.; Aston, J.G., The heat capacity, heat of fusion and entropy of 11-n-decylheneicosane, J. Am. Chem. Soc., 1945, 67, 2075-2079. [all data]


Notes

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