(E)-Hexa-1,5-diyne-3-ene
- Formula: C6H4
- Molecular weight: 76.0960
- IUPAC Standard InChI: InChI=1S/C6H4/c1-3-5-6-4-2/h1-2,5-6H/b6-5+
- IUPAC Standard InChIKey: KIWAUQFHKHLABA-AATRIKPKSA-N
- CAS Registry Number: 16668-68-1
- Chemical structure:
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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
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Individual Reactions
5 +
=
By formula: 5H2 + C6H4 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -705. ± 2. | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
=
By formula: C6H4 = C6H4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 0.0 ± 5.9 | kJ/mol | Eqk | Roth, Hopf, et al., 1994 | gas phase; At 949 K |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Roth, Hopf, et al., 1994
Roth, W.R.; Hopf, H.; Horn, C.,
Propargyl-Stabilisierungsenergie,
Chem. Ber., 1994, 127, 1781-1795. [all data]
Notes
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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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