Endo-2-methylnorbornane
- Formula: C8H14
- Molecular weight: 110.1968
- IUPAC Standard InChI: InChI=1S/C8H14/c1-6-4-7-2-3-8(6)5-7/h6-8H,2-5H2,1H3/t6-,7?,8?/m0/s1
- IUPAC Standard InChIKey: KWSARSUDWPZTFF-KKMMWDRVSA-N
- CAS Registry Number: 765-90-2
- 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:
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Options:
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.
Condensed phase thermochemistry data
Go To: Top, Phase change 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 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 | -29.19 ± 0.31 | kcal/mol | Ccb | Kozina, 1976 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1201.43 ± 0.29 | kcal/mol | Ccb | Kozina, 1976 | Corresponding ΔfHºliquid = -29.18 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 56.93 | cal/mol*K | N/A | Seregin, Goroshko, et al., 1964 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 44.05 | 298.15 | Seregin, Goroshko, et al., 1964 | T = 12 to 310 K.; DH |
Phase change 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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 0.387 | 278.3 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 1.1250 | 152.42 | crystaline, II | crystaline, I | Seregin, Goroshko, et al., 1964 | DH |
| 0.38731 | 278.25 | crystaline, I | liquid | Seregin, Goroshko, et al., 1964 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 7.380 | 152.42 | crystaline, II | crystaline, I | Seregin, Goroshko, et al., 1964 | DH |
| 1.4 | 278.25 | crystaline, I | liquid | Seregin, Goroshko, et al., 1964 | DH |
Reaction 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
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
2 +
=
By formula: 2H2 + C8H10 = C8H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -76.0 ± 0.2 | kcal/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
Kozina, 1976
Kozina, M.P.,
Enthalpies of combustion and formation of bicyclic and polycyclic hydrocarbons,
Sovrem. Probl. Fiz. Khim., 1976, 9, 198-225. [all data]
Seregin, Goroshko, et al., 1964
Seregin, E.A.; Goroshko, N.N.; Kolesov, V.P.; Belikova, N.A.; Skuratov, S.M.; Plate, A.F.,
Low temperature heat capacity and thermodynamic functions for endo- and exo-2-methylbicyclo[2,2,1]heptane,
Dokl. Akad. Nauk, 1964, SSR 159, 1381-1384. [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]
Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R.,
Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld,
Chem. Ber., 1991, 124, 2499-2521. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction 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.