1,5-Hexadiyne
- Formula: C6H6
- Molecular weight: 78.1118
- IUPAC Standard InChI: InChI=1S/C6H6/c1-3-5-6-4-2/h1-2H,5-6H2
- IUPAC Standard InChIKey: YFIBSNDOVCWPBL-UHFFFAOYSA-N
- CAS Registry Number: 628-16-0
- 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: Bipropargyl; Dipropargyl; HCCCH2CH2CCH; hexa-1,5-diyne
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Phase change data
Go To: Top, 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:
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 | 359. | K | N/A | Farchan Laboratories, 1990 | BS |
| Tboil | 359.15 | K | N/A | Skinner and Snelson, 1959 | Uncertainty assigned by TRC = 1.5 K; TRC |
| Tboil | 361. | K | N/A | Pomerantz, Fookson, et al., 1954 | Uncertainty assigned by TRC = 0.15 K; TRC |
| Tboil | 358.6 | K | N/A | Perkin, 1895 | Uncertainty assigned by TRC = 3. K; TRC |
| Tboil | 360. | K | N/A | Griner, 1892 | Uncertainty assigned by TRC = 6. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 267. | K | N/A | Griner, 1892 | Uncertainty assigned by TRC = 4. 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
4 +
=
By formula: 4H2 + C6H6 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -582.8 ± 4.2 | kJ/mol | Chyd | Skinner and Snelson, 1959, 2 | liquid phase; solvent: Acetic acid; Reanalyzed by Cox and Pilcher, 1970, Original value = -583.2 ± 4.2 kJ/mol |
References
Go To: Top, 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.
Farchan Laboratories, 1990
Farchan Laboratories,
Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]
Skinner and Snelson, 1959
Skinner, H.A.; Snelson, A.,
Heats of Hydrogenation. Part 3,
Trans. Faraday Soc., 1959, 55, 404. [all data]
Pomerantz, Fookson, et al., 1954
Pomerantz, P.; Fookson, A.; Mears, T.W.; Rothberg, S.; Howard, F.L.,
Synthesis and Physical Properties of Several Acetylenic Hydrocarbons,
J. Res. Natl. Bur. Stand. (U. S.), 1954, 52, 51. [all data]
Perkin, 1895
Perkin, W.H.,
J. Chem. Soc., 1895, 67, 255-64. [all data]
Griner, 1892
Griner, G.,
Ann. Chim., 1892, 26, 347. [all data]
Skinner and Snelson, 1959, 2
Skinner, H.A.; Snelson, A.,
Heats of hydrogenation Part 3.,
Trans. Faraday Soc., 1959, 55, 405-407. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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