Tricyclo[2.2.1.0(2,6)]heptane
- Formula: C7H10
- Molecular weight: 94.1543
- IUPAC Standard InChI: InChI=1S/C7H10/c1-4-2-6-5(1)7(6)3-4/h4-7H,1-3H2
- IUPAC Standard InChIKey: BYBGSCXPMGPLFP-UHFFFAOYSA-N
- CAS Registry Number: 279-19-6
- 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: Nortricyclane; Nortricyclen; Nortricyclene; Tricyclo[2.2.1.0dimethyl2dimethyl,dimethyl6]heptane; Tricyclo[2.2.1.0(2.6)]heptane; Tricyclo[2.2.1.0^2^,^6]heptane
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 19. ± 6. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Condensed phase 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | 10.4 ± 0.48 | kcal/mol | Ccb | Steele, 1978 | ALS |
| ΔfH°liquid | 5.74 ± 0.52 | kcal/mol | Ccb | Hall, Smith, et al., 1973 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1010.3 ± 0.48 | kcal/mol | Ccb | Steele, 1978 | Corresponding ΔfHºliquid = 10.4 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -1005.68 ± 0.52 | kcal/mol | Ccb | Hall, Smith, et al., 1973 | Corresponding ΔfHºliquid = 5.75 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | 7.42 ± 0.27 | kcal/mol | Ccb | Kozina, Bychikhina, et al., 1976 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1007.36 ± 0.24 | kcal/mol | Ccb | Kozina, Bychikhina, et al., 1976 | Corresponding ΔfHºsolid = 7.43 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 30.83 | 298.15 | Steele, 1978 | DH |
| 26.34 | 297. | Hall, Smith, et al., 1973 | DH |
Reaction thermochemistry 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 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: H2 + C7H10 = C7H12
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -31.1 ± 0.2 | kcal/mol | Chyd | Flury, Grob, et al., 1988 | liquid phase; solvent: Isooctane |
| ΔrH° | -32.58 ± 0.52 | kcal/mol | Chyd | Rogers, Choi, et al., 1980 | liquid phase; solvent: Hexane; Author was aware that data differs from previously reported values |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, 1978
Steele, W.V.,
The standard enthalpies of formation of a series of C7, bridged-ring hydrocarbons: norbornane, norbornene, nortricyclene, norbornadiene, and quadricyclane,
J. Chem. Thermodyn., 1978, 10, 919-927. [all data]
Hall, Smith, et al., 1973
Hall, H.K., Jr.; Smith, C.D.; Baldt, J.H.,
Enthalpies of formation of norticyclene, norbornene, norbornadiene, and quadricyclane,
J. Am. Chem. Soc., 1973, 95, 3197-3201. [all data]
Kozina, Bychikhina, et al., 1976
Kozina, M.P.; Bychikhina, L.V.; Gal'chenko, G.L.; Mil'vitskaya, E.M.; Ordubadi, M.; Plate, A.F.,
Enthalpies of nortricyclene and norbornene formation,
Dokl. Akad. Nauk SSSR, 1976, 226, 1105-1108. [all data]
Flury, Grob, et al., 1988
Flury, P.; Grob, C.A.; Wang, G.Y.; Lennatz, H.-W.; Roth, W.R.,
113. Norbornanes. Bridging strain in norbornyl and oxanorbornyl cations,
Helv. Chim. Acta, 1988, 71, 1017-1024. [all data]
Rogers, Choi, et al., 1980
Rogers, D.W.; Choi, L.S.; Girellini, R.S.,
Heats of hydrogenation and formation of quadricyclene, norbornadiene, norbornene, and nortricyclene,
J. Phys. Chem., 1980, 84, 1810-1814. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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