Benzoic acid, 2-amino-

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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
Δfsolid-95.87 ± 0.29kcal/molCcrNabavian, Sabbah, et al., 1977Author was aware that data differs from previously reported values; ALS
Δfsolid-95.8 ± 0.2kcal/molCcbLebedeva, Gutner, et al., 1971Hfusion=4.9±0.1, see Lebedeva, Rjadnenko, et al., 1969; ALS
Quantity Value Units Method Reference Comment
Δcsolid-801.58 ± 0.19kcal/molCcrNabavian, Sabbah, et al., 1977Author was aware that data differs from previously reported values; ALS
Δcsolid-801.7 ± 0.2kcal/molCcbLebedeva, Gutner, et al., 1971Hfusion=4.9±0.1, see Lebedeva, Rjadnenko, et al., 1969; ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
44.69323.Satoh and Sogabe, 1941T = 0 to 100 C. Mean value.; DH
39.51298.Andrews, Lynn, et al., 1926T = 22 to 160 C.; 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
Tfus417.8KN/AAndrews, Lynn, et al., 1926, 2Uncertainty assigned by TRC = 0.5 K; with possible decomposition; TRC
Quantity Value Units Method Reference Comment
Δsub25.07 ± 0.24kcal/molVNabavian, Sabbah, et al., 1977Author was aware that data differs from previously reported values; ALS
Δsub25.07 ± 0.24kcal/molVSabbah, Chastelet, et al., 1974ALS
Δsub26.67 ± 0.41kcal/molN/AArnold and Jones, 1972AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
4.90417.8Acree, 1991AC
4.8709417.8Andrews, Lynn, et al., 1926DH

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
11.7417.8Andrews, Lynn, et al., 1926DH

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

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

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

Nabavian, Sabbah, et al., 1977
Nabavian, P.M.; Sabbah, R.; Chastel, R.; Laffitte, M., Thermodynamique de composes azotes. II. Etude thermochimique des acides aminobenzoiques, de la pyrimidine, de l'uracile et de la thymine., J. Chim. Phys., 1977, 74, 115-126. [all data]

Lebedeva, Gutner, et al., 1971
Lebedeva, N.D.; Gutner, N.M.; Ryadnenko, V.L., Heats of combustion and formation of certain aromatic amino-derivatives, Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 561-562. [all data]

Lebedeva, Rjadnenko, et al., 1969
Lebedeva, N.D.; Rjadnenko, B.L.; Gutner, N.M., Heats of formation of some N-containing organic compounds, Int. Conf. Calorim. Therm. (Warsaw, Poland), 1969, 1-8. [all data]

Satoh and Sogabe, 1941
Satoh, S.; Sogabe, T., The heat capacities of some organic compounds containing nitrogen and the atomic heat of nitrogen. (2), Sci., Pap. Inst. Phys. Chem. Res. (Tokyo), 1941, 38, 231-237. [all data]

Andrews, Lynn, et al., 1926
Andrews, D.H.; Lynn, G.; Johnston, J., The heat capacities and heat of crystallization of some isomeric aromatic compounds, J. Am. Chem. Soc., 1926, 48, 1274-1287. [all data]

Andrews, Lynn, et al., 1926, 2
Andrews, D.H.; Lynn, G.; Johnston, J., The Heat Capacities and Heat of Crystallization of Some Isomeric Aromatic Compounds, J. Am. Chem. Soc., 1926, 48, 1274. [all data]

Sabbah, Chastelet, et al., 1974
Sabbah, R.; Chastelet, R.; Laffitte, M., Thermodynamic de composès azotes. I. Etude calorimètrique des enthalpies de sublimation des trios acides aminobenzoïques, Can. J. Chem., 1974, 52, 2201. [all data]

Arnold and Jones, 1972
Arnold, P.R.; Jones, F., Polymorphism in Anthranilic Acid Crystals---Examination by DTA and DSC, Molecular Crystals and Liquid Crystals, 1972, 19, 2, 133-140, https://doi.org/10.1080/15421407208083859 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]


Notes

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