Diadamantane

Data at NIST subscription sites:

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.


Phase change data

Go To: Top, Gas phase ion energetics 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

Quantity Value Units Method Reference Comment
Tfus524.KN/AClark, McKervey, et al., 1974Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC
Tfus523.KN/ACarson, Laye, et al., 1971Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Ttriple517.92KN/ASpinella, Andrews, et al., 1978Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Δsub95.94kJ/molVClark, Knox, et al., 1979Gas flow technique for Hs, see Clark, Knox, et al., 1975 AND Carson, Laye, et al., 1971, 2; ALS
Δsub96.0kJ/molN/AClark, Knox, et al., 1979DRB

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
96.0 ± 0.8319.TSGCClark, Knox, et al., 1975, 2Based on data from 305. to 333. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
8.66517.9Domalski and Hearing, 1996AC

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
4.445407.22crystaline, IIIcrystaline, IISpinella, Andrews, et al., 1978, 2DH
8.960440.43crystaline, IIcrystaline, ISpinella, Andrews, et al., 1978, 2DH
8.646517.92crystaline, IliquidSpinella, Andrews, et al., 1978, 2DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
10.92407.22crystaline, IIIcrystaline, IISpinella, Andrews, et al., 1978, 2DH
20.34440.43crystaline, IIcrystaline, ISpinella, Andrews, et al., 1978, 2DH
16.69517.92crystaline, IliquidSpinella, Andrews, et al., 1978, 2DH

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:


Gas phase ion energetics data

Go To: Top, 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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
8.93PEDewar and Worley, 1969RDSH

References

Go To: Top, Phase change data, Gas phase ion energetics data, Notes

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

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
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
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., 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, 2
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]

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]

Spinella, Andrews, et al., 1978, 2
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]

Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D., Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation, J. Chem. Phys., 1969, 50, 654. [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References