1-Methyladamantane
- Formula: C11H18
- Molecular weight: 150.2606
- IUPAC Standard InChIKey: UZUCFTVAWGRMTQ-UHFFFAOYSA-N
- CAS Registry Number: 768-91-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
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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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 392. | K | N/A | Clark, Knox, et al., 1977 | Crystal phase 1 phase; Uncertainty assigned by TRC = 3.71 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 16.15 | kcal/mol | V | Clark, Knox, et al., 1979 | Gas flow technique for Hs,see Clark, Knox, et al., 1975; ALS |
ΔsubH° | 15.7 | kcal/mol | N/A | Clark, Knox, et al., 1979 | DRB |
ΔsubH° | 16.2 ± 0.3 | kcal/mol | V | Steele and Watt, 1977 | ALS |
ΔsubH° | 17.1 | kcal/mol | N/A | Steele and Watt, 1977 | DRB |
ΔsubH° | 16.2 ± 0.31 | kcal/mol | BG | Steele and Watt, 1977 | Based on data from 300. to 342. K.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
16.2 ± 0.1 | 321. | Clark, Knox, et al., 1975, 2 | Based on data from 306. to 336. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.887 | 392. | Clark, Knox, et al., 1977 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.694 | 169.5 | Clark, Knox, et al., 1977 | CAL |
1.66 | 211.5 | ||
2.26 | 392. |
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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.17 ± 0.02 | PE | Worley, Mateescu, et al., 1973 | LLK |
9.24 | PE | Bodor, Dewar, et al., 1970 | RDSH |
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, 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]
Worley, Mateescu, et al., 1973
Worley, S.D.; Mateescu, G.D.; McFarland, C.W.; Fort, R.C., Jr.; Sheley, C.F.,
Photoelectron spectra and MINDO-SCF-MO calculations for adamantane and some of its derivatives,
J. Am. Chem. Soc., 1973, 95, 7580. [all data]
Bodor, Dewar, et al., 1970
Bodor, N.; Dewar, M.J.S.; Worley, S.D.,
Photoelectron spectra of molecules. III. Ionization potentials of some cyclic hydrocarbons and their derivatives, and heats of formation and ionization potentials calculated by the MINDO SCF MO method,
J. Am. Chem. Soc., 1970, 92, 19. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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