Bicyclo[4.4.1]undeca-1,3,5,7,9-pentaene
- Formula: C11H10
- Molecular weight: 142.1971
- IUPAC Standard InChI: InChI=1S/C11H10/c1-2-6-11-8-4-3-7-10(5-1)9-11/h1-8H,9H2
- IUPAC Standard InChIKey: OORRQYZWSVJKSO-UHFFFAOYSA-N
- CAS Registry Number: 2443-46-1
- 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: 1,6-Methano[10]annulene
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 323. | kJ/mol | Chyd | Roth, Klarner, et al., 1992 | see Roth, Bohm, et al., 1983; ALS |
| ΔfH°gas | 315. ± 3. | kJ/mol | Ccb | Bremser, Hagen, et al., 1969 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 47.40 | 100. | Espinosa-Muller A., 1978 | These values were calculated by a method of force field; their uncertainties may exceed 5-10 J/mol*K.; GT |
| 92.80 | 200. | ||
| 144.98 | 298.15 | ||
| 145.94 | 300. | ||
| 196.94 | 400. | ||
| 241.50 | 500. | ||
| 278.49 | 600. | ||
| 309.16 | 700. | ||
| 334.76 | 800. | ||
| 356.27 | 900. | ||
| 374.43 | 1000. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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 | 254. ± 2. | kJ/mol | Ccb | Bremser, Hagen, et al., 1969 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -6011.99 | kJ/mol | Ccb | Bremser, Hagen, et al., 1969 | Corresponding ΔfHºliquid = 254.2 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C11H10+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.7 | PE | Andrea, Cerfontain, et al., 1984 | LBLHLM |
| 7.92 | PE | Andrea, Cerfontain, et al., 1984 | Vertical value; LBLHLM |
| 7.90 | PE | Boschi, Schmidt, et al., 1972 | Vertical value; LLK |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase 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.
Roth, Klarner, et al., 1992
Roth, W.R.; Klarner, F.-G.; Siepert, G.; Lennartz, H.-W.,
Zur Frage der Homoaromatizitat von Norcaradien und Cycloheptatrien,
Chem. Ber., 1992, 125, 217-224. [all data]
Roth, Bohm, et al., 1983
Roth, W.R.; Bohm, M.; Lenhartz, H-W.; Vogel, E.,
Heats of hydrogenation. Part 5. Resonance energy of bridged [10]annulenes,
Angew. Chem., 1983, 95, 1011-1012. [all data]
Bremser, Hagen, et al., 1969
Bremser, W.; Hagen, R.; Heilbronner, E.; Vogel, E.,
48. Die Bildungsenthalpie 1,6-uberbruckter [10]Annulene,
Helv. Chim. Acta, 1969, 52, 418-431. [all data]
Espinosa-Muller A., 1978
Espinosa-Muller A.,
Conformational and thermodynamical prediction of the 1,5-methano(10)-annulene, 1,6-methano(10)-annulene, and some benzo derivatives,
J. Chem. Phys., 1978, 69, 367-372. [all data]
Andrea, Cerfontain, et al., 1984
Andrea, R.R.; Cerfontain, H.; Lamberchts, H.J.A.; Louwen, J.N.; Oskam, A.,
He I and He II photoelectron spectra and CNDO/S and MNDO MO calculations of some bridged [10] annulenes,
J. Am. Chem. Soc., 1984, 106, 2531. [all data]
Boschi, Schmidt, et al., 1972
Boschi, R.; Schmidt, W.; Gfeller, J.-C.,
The electronic structure of 1,6-methano-cyclodecapentaene,
Tetrahedron Lett., 1972, 40, 4107. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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