Methenamine

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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δsub79.6 ± 0.4kJ/molGSVerevkin, 2002Based on data from 339. to 378. K.; AC
Δsub75. ± 3.kJ/molVMansson, Rapport, et al., 1970ALS
Δsub74.9kJ/molN/AMansson, Rapport, et al., 1970DRB
Δsub74.9 ± 2.9kJ/molN/AWada, Kishida, et al., 1960See also Westrum, Mansson, et al., 1970.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
77.7 ± 0.4359.GSVerevkin, 2002Based on data from 339. to 378. K.; AC
76.8313.AStephenson and Malanowski, 1987Based on data from 298. to 453. K.; AC
78.8316.TE,MEDe Wit, Van Miltenburg, et al., 1983Based on data from 302. to 328. K.; AC
74.1 ± 0.8289.TEBudurov, 1960Based on data from 281. to 298. K.; AC

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.

Verevkin, 2002
Verevkin, Sergey P., Relationships among strain energies of mono- and poly-cyclic cyclohexanoid molecules and strain of their component rings, The Journal of Chemical Thermodynamics, 2002, 34, 2, 263-275, https://doi.org/10.1006/jcht.2001.0896 . [all data]

Mansson, Rapport, et al., 1970
Mansson, M.; Rapport, N.; Westrum, E.F., Jr., Enthalpies of formation of globular molecules. I. Adamantane and hexamethylenetetramine, J. Am. Chem. Soc., 1970, 92, 7296-7299. [all data]

Wada, Kishida, et al., 1960
Wada, Tadayoshi; Kishida, Etsuko; Tomiie, Yujiro; Suga, Hiroshi; Seki, Syûzô; Nitta, Isamu, Crystal Structure and Thermodynamical Investigations of Triethylenediamine, C6H12N2, Bull. Chem. Soc. Jpn., 1960, 33, 9, 1317-1318, https://doi.org/10.1246/bcsj.33.1317 . [all data]

Westrum, Mansson, et al., 1970
Westrum, Edgar F.; Mansson, Margret.; Rapport, Naomi., Enthalpies of formation of globular molecules. I. Adamantane and hexamethylenetetramine, J. Am. Chem. Soc., 1970, 92, 25, 7296-7299, https://doi.org/10.1021/ja00728a011 . [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]

De Wit, Van Miltenburg, et al., 1983
De Wit, H.G.M.; Van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of molecular organic crystals containing nitrogen, oxygen, and sulphur 1. Vapour pressures and enthalpies of sublimation, The Journal of Chemical Thermodynamics, 1983, 15, 7, 651-663, https://doi.org/10.1016/0021-9614(83)90079-4 . [all data]

Budurov, 1960
Budurov, S., Izv. Khim. Inst. Bulg. Akad. Nauk, 1960, 7, 281. [all data]


Notes

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