1,1'-diadamantane
- Formula: C20H30
- Molecular weight: 270.4522
- IUPAC Standard InChI: InChI=1S/C20H30/c1-13-2-15-3-14(1)8-19(7-13,9-15)20-10-16-4-17(11-20)6-18(5-16)12-20/h13-18H,1-12H2
- IUPAC Standard InChIKey: MPXKIFWZOQVOLN-UHFFFAOYSA-N
- CAS Registry Number: 3732-31-8
- 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. - Other names: 1,1'-Biadamantane
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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 by: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 27.20 ± 0.33 | kcal/mol | ME | Karpushenkava, Kabo, et al., 2007 | Based on data from 393. - 443. K. |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 26.08 ± 0.31 | 417.8 | ME | Karpushenkava, Kabo, et al., 2007 | Based on data from 393. - 443. K. |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 17. ± 2.4 | 561. | AC | Karpushenkava, Kabo, et al., 2007 |
Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
=
By formula: C20H30 = C20H30
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.11 ± 0.12 | kcal/mol | Eqk | Slutsky, Engler, et al., 1973 | liquid phase; solvent: Cyclohexane |
=
By formula: C20H30 = C20H30
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.11 ± 0.12 | kcal/mol | Eqk | Slutsky, Engler, et al., 1973 | liquid phase |
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | SE-30 | 190. | 2227. | Sarkisova and Pimerzin, 2005 | He; Column length: 50. m; Column diameter: 0.2 mm |
| Capillary | SE-30 | 200. | 2245. | Sarkisova and Pimerzin, 2005 | He; Column length: 50. m; Column diameter: 0.2 mm |
| Capillary | SE-30 | 210. | 2266. | Sarkisova and Pimerzin, 2005 | He; Column length: 50. m; Column diameter: 0.2 mm |
| Capillary | SE-30 | 220. | 2286. | Sarkisova and Pimerzin, 2005 | He; Column length: 50. m; Column diameter: 0.2 mm |
| Capillary | SE-30 | 230. | 2309. | Sarkisova and Pimerzin, 2005 | He; Column length: 50. m; Column diameter: 0.2 mm |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Karpushenkava, Kabo, et al., 2007
Karpushenkava, Larisa S.; Kabo, Gennady J.; Bazyleva, Ala B.; Blokhin, Andrey V.; Kabo, Andrey G.; Zaitsau, Dzmitry H.; Pimerzin, Andrey A.; Sarkisova, Viktoria S.,
Thermodynamic properties of 1,1´-biadamantane,
Thermochimica Acta, 2007, 459, 1-2, 104-110, https://doi.org/10.1016/j.tca.2007.03.018
. [all data]
Slutsky, Engler, et al., 1973
Slutsky, J.; Engler, E.M.; Schleyer, P.v.R.,
Equilibration of biadamantane isomers,
J. Chem. Soc. Chem. Commun., 1973, 685-686. [all data]
Sarkisova and Pimerzin, 2005
Sarkisova, V.S.; Pimerzin, A.A.,
Gas chromatographic characteristics and boiling points of diadamantanes,
Pet. Chem. USSR (Engl. Transl.), 2005, 45, 1, 63-66. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction at standard conditions 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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