4-Nonyne
- Formula: C9H16
- Molecular weight: 124.2233
- IUPAC Standard InChI: InChI=1S/C9H16/c1-3-5-7-9-8-6-4-2/h3-7H2,1-2H3
- IUPAC Standard InChIKey: RAYTXPDVKZFUEI-UHFFFAOYSA-N
- CAS Registry Number: 20184-91-2
- 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. - Other names: 4-C9H16
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Gas 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 10.03 ± 0.68 | kcal/mol | Chyd | Rogers, Dagdagan, et al., 1979 |
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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 428. | K | N/A | Farchan Laboratories, 1990 | BS |
| Tboil | 155.12 | K | N/A | Elvelt, Otsa, et al., 1979 | Uncertainty assigned by TRC = 0.2 K; TRC |
| Tboil | 425. | K | N/A | Vaughn, Hennion, et al., 1937 | Uncertainty assigned by TRC = 5. K; TRC |
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
2 +
=
By formula: 2H2 + C9H16 = C9H20
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -64.96 ± 0.43 | kcal/mol | Chyd | Rogers, Dagdagan, et al., 1979 | liquid phase; solvent: Hexane |
Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C9H16+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.17 ± 0.03 | PI | Rang and Martinson, 1978 | LLK |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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.
Rogers, Dagdagan, et al., 1979
Rogers, D.W.; Dagdagan, O.A.; Allinger, N.L.,
Heats of hydrogenation and formation of linear alkynes and a molecular mechanics interpretation,
J. Am. Chem. Soc., 1979, 101, 671-676. [all data]
Farchan Laboratories, 1990
Farchan Laboratories,
Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]
Elvelt, Otsa, et al., 1979
Elvelt, A.; Otsa, E.; Eisen, O.,
Physicochemical characteristics of isomeric n-octynes and n-nonynes,
Eesti NSV Tead. Akad. Toim., Keem., 1979, 28, 287-9. [all data]
Vaughn, Hennion, et al., 1937
Vaughn, T.H.; Hennion, G.F.; Vogt, R.R.; Nieuwland, J.A.,
The preparation and alkylation of metal acetylides in liquid ammonia,
J. Org. Chem., 1937, 2, 1. [all data]
Rang and Martinson, 1978
Rang, S.; Martinson, E.,
Ionization potentials of unsaturated hydrocarbons. 3. n-Alkyunes C8-C12.,
Eesti. NSV Tead. Akad. Toim. Keem., 1978, 44. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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