1-Cyclopropylpenta-1,3-diyne
- Formula: C8H8
- Molecular weight: 104.1491
- IUPAC Standard InChI: InChI=1S/C8H8/c1-2-3-4-5-8-6-7-8/h8H,6-7H2,1H3
- IUPAC Standard InChIKey: ZEKLXAZDDKNQBK-UHFFFAOYSA-N
- CAS Registry Number: 116316-76-8
- 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. - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | 103.4 ± 1.9 | kcal/mol | Ccb | Luk'yanova, Pimenova, et al., 1992 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1129.1 ± 1.9 | kcal/mol | Ccb | Luk'yanova, Pimenova, et al., 1992 | Corresponding ΔfHºliquid = 103.4 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, 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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 12.4 ± 0.02 | kcal/mol | C | Pashchenko and Kuznetsova, 2007 | AC |
| ΔvapH° | 12.4 | kcal/mol | E | Luk'yanova, Pimenova, et al., 1992 | ALS |
| ΔvapH° | 12.4 | kcal/mol | N/A | Luk'yanova, Pimenova, et al., 1992 | DRB |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Luk'yanova, Pimenova, et al., 1992
Luk'yanova, V.A.; Pimenova, S.M.; Timofeeva, L.P.; Kozina, M.P.; Kolesov, V.P.; Tarakanova, A.V.,
Standard enthalpies of formation of some derivatives of diacetylene,
Russ. J. Phys. Chem. (Engl. Transl.), 1992, 66, 1083-1085. [all data]
Pashchenko and Kuznetsova, 2007
Pashchenko, L.L.; Kuznetsova, T.S.,
The enthalpies of vaporization of some hydrocarbons with three-membered rings,
Russ. J. Phys. Chem., 2007, 81, 11, 1738-1742, https://doi.org/10.1134/S0036024407110040
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization 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.