2-Methyladamantane

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus414.0KN/AClark, Knox, et al., 1977Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; sealed tube melting point; compound too volatile to perform calorimetric run on fusion.; TRC
Quantity Value Units Method Reference Comment
Δsub67.53kJ/molVClark, Knox, et al., 1979Gas flow technique for Hs, see Clark, Knox, et al., 1975; ALS
Δsub64.7kJ/molN/AClark, Knox, et al., 1979DRB
Δsub68. ± 1.kJ/molVSteele and Watt, 1977ALS
Δsub73.6kJ/molN/ASteele and Watt, 1977DRB
Δsub68.2 ± 1.3kJ/molN/ASteele and Watt, 1977Based on data from 300. - 340. K.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Reference Comment
67.5 ± 2.1320.Clark, Knox, et al., 1975, 2Based on data from 310. - 330. K.; AC

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.

Clark, Knox, et al., 1977
Clark, Timothy; Knox, Trevor Mc.O.; Mackle, Henry; McKervey, M. Anthony, Order--disorder transitions in substituted adamantanes, J. Chem. Soc., Faraday Trans. 1, 1977, 73, 0, 1224, https://doi.org/10.1039/f19777301224 . [all data]

Clark, Knox, et al., 1979
Clark, T.; Knox, T.M.O.; McKervey, M.A.; Mackle, H.; Rooney, J.J., Thermochemistry of bridged-ring substances. Enthalpies of formation of some diamondoid hydrocarbons and of perhydroquinacene. Comparisons with data from empirical force field calculations, J. Am. Chem. Soc., 1979, 101, 2404-2410. [all data]

Clark, Knox, et al., 1975
Clark, T.; Knox, T.M.; Mackle, H.; McKervey, M.A.; Rooney, J.J., Calorimetric evaluation of enthalpies of formation of some bridged-ring hydrocarbons. Comparison with data from empirical force field calculations., J. Am. Chem. Soc., 1975, 97, 3835-3836. [all data]

Steele and Watt, 1977
Steele, W.V.; Watt, I., The standard enthalpies of formation of adamantanoid compounds 4. Methyladamantanes, J. Chem. Thermodyn., 1977, 9, 843-849. [all data]

Clark, Knox, et al., 1975, 2
Clark, Timothy; Knox, Trevor; Mackle, Henry; McKervey, M. Anthony; Rooney, John J., Heats of sublimation of some cage hydrocarbons by a temperature scanning technique, J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 2107, https://doi.org/10.1039/f19757102107 . [all data]


Notes

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