Octahydro-1,2,4-ethanylylidene-1H-cyclobuta[cd]pentalene
- Formula: C11H14
- Molecular weight: 146.2289
- CAS Registry Number: 4421-32-3
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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas | 78.94 ± 0.91 | cal/mol*K | N/A | Kabo G.J., 1995 | This value was calculated using the enthalpy of sublimation derived from effusion measurements. Other value, S(298.15 K)=336.2(3.4) J/mol*K, was calculated for enthalpy of sublimation determined calorimetrically. |
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 8.951 | 100. | Kabo G.J., 1995 | |
| 13.57 | 164.40 | ||
| 17.54 | 200. | ||
| 32.232 | 298.15 | ||
| 32.531 | 300. | ||
| 49.025 | 400. | ||
| 63.571 | 500. | ||
| 75.554 | 600. | ||
| 85.272 | 700. | ||
| 93.260 | 800. | ||
| 99.897 | 900. | ||
| 105.46 | 1000. |
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 by: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 13.1 ± 0.26 | kcal/mol | ME | Kabo, Kozyro, et al., 1995 | Based on data from 273. to 323. K. |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 13.1 ± 0.2 | 337. | C | Kabo, Kozyro, et al., 1995 |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 1.52 | 475.8 | AC | Kabo, Kozyro, et al., 1995 | Based on data from 5. to 320. 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.
Kabo G.J., 1995
Kabo G.J.,
Thermodynamic properties of pentacyclo[5.4.0.0(2,6).0(3,10).0(5,9)]undecane, C11H14,
J. Chem. Thermodyn., 1995, 27, 707-720. [all data]
Kabo, Kozyro, et al., 1995
Kabo, G.J.; Kozyro, A.A.; Kiky, V.V.; Simirsky, V.V.; Ivashkevich, L.S.; Krasulin, A.P.; Sevruk, V.M.; Marchand, A.P.; Frenkel, M.,
Thermodynamic properties of pentacyclo[5.4.0.02,6.03,10.05,9]undecane, C11H14,
J. Chem. Thermodyn., 1995, 27, 707-720. [all data]
Notes
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- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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