Diadamantane

• Formula: C₁₄H₂₀
• Molecular weight: 188.3086
• CAS Registry Number: 2292-79-7
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change 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

Constant pressure heat capacity of solid

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed 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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of sublimation

Enthalpy of fusion

Enthalpy of phase transition

Entropy of phase transition

References

Go To: Top, Gas phase thermochemistry data, 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.

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]

Carson, Laye, et al., 1971
Carson, A.S.; Laye, P.G.; Steele, W.V.; Johnson, D.E.; McKervey, M.A., The enthalpy of formation of diamantane, J. Chem. Thermodyn., 1971, 3, 915-918. [all data]

Westrum, McKervey, et al., 1978
Westrum, E.F., Jr.; McKervey, M.A.; Andrews, J.T.S.; Fort, R.C., Jr.; Clark, T., Heat capacity and thermodynamic properties of diamantane from 5 to 540 K, J. Chem. Thermodynam., 1978, 10, 959-965. [all data]

Spinella, Andrews, et al., 1978
Spinella, G.M.; Andrews, J.T.S.; Bacon, W.E., Diamantane: heat capacity (300 to 540 K) and thermodynamics of transition and fusion, J. Chem. Thermodynam., 1978, 10, 1023-1032. [all data]

Clark, McKervey, et al., 1974
Clark, Timothy; McKervey, M. Anthony; Mackle, Henry; Rooney, John J., Pre-melting transitions in caged hydrocarbons, a general theory of disorder in plastic crystals, J. Chem. Soc., Faraday Trans. 1, 1974, 70, 0, 1279, https://doi.org/10.1039/f19747001279 . [all data]

Carson, Laye, et al., 1971, 2
Carson, A.S.; Laye, P.G.; Steele, W.V.; Johnston, D.E.; McKervey, M.A., The Enthalpy of Formation of Diamantane, J. Chem. Thermodyn., 1971, 3, 915. [all data]

Spinella, Andrews, et al., 1978, 2
Spinella, G.M.; Andrews, J.T.S.; Bacon, W.E.; Fort, R.C.; Sabo, J., Diamantane:heat capacity(300 to 540 K) and thermodynamics of transition and fusion, J. Chem. Thermodyn., 1978, 10, 1023-32. [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References

• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.