p-Diacetylbenzene diethyl ketal
- Formula: C18H30O4
- Molecular weight: 310.4284
- IUPAC Standard InChI: InChI=1S/C18H30O4/c1-7-19-17(5,20-8-2)15-11-13-16(14-12-15)18(6,21-9-3)22-10-4/h11-14H,7-10H2,1-6H3
- IUPAC Standard InChIKey: OKYWFWIKJZITQH-UHFFFAOYSA-N
- CAS Registry Number: 47189-08-2
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -189.7 ± 2.2 | kcal/mol | Ccb | Karyakin, Sapozhnikov, et al., 1978 | see Karyakin, Sapozhnikov, et al., 1977 |
Condensed phase thermochemistry data
Go To: Top, Gas 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -216.5 ± 1.7 | kcal/mol | Ccb | Karyakin, Sapozhnikov, et al., 1978 | see Karyakin, Sapozhnikov, et al., 1977; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -2501. ± 1. | kcal/mol | Ccb | Karyakin, Sapozhnikov, et al., 1978 | see Karyakin, Sapozhnikov, et al., 1977; Corresponding ΔfHºsolid = -217. kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 118.0 | cal/mol*K | N/A | Karyakin, Rabinovich, et al., 1978 | DH |
| S°solid,1 bar | 118.0 | cal/mol*K | N/A | Karyakin, Sapozhnikov, et al., 1978, 2 | DH |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 110.4 | 298.15 | Karyakin, Rabinovich, et al., 1978 | T = 5 to 340 K.; DH |
| 110. | 300. | Karyakin, Sapozhnikov, et al., 1978, 2 | T = 5 to 326.1 K. Data given graphically. Value estimated from graph.; DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Karyakin, Sapozhnikov, et al., 1978
Karyakin, N.V.; Sapozhnikov, V.N.; Teplyakov, M.M.; Chebotarev, V.P.,
The thermodynamics of polycondensation of the ethyl ketals of acetophenone and ρ-diacetylbenzene,
Polym. Sci. USSR, 1978, 20, 2191-2199. [all data]
Karyakin, Sapozhnikov, et al., 1977
Karyakin, N.V.; Sapozhnikov, V.N.; Teplyakov, M.M.; Chebotarev, V.P.,
Thermodynamics of the synthesis of polyphenylene based on ethyl ketals of acetophenone and p-diacetylbenzene,
Dokl. Phys. Chem. (Engl. Transl.), 1977, 237, 867-870. [all data]
Karyakin, Rabinovich, et al., 1978
Karyakin, N.V.; Rabinovich, I.B.; Nistratov, V.P.,
Heat capacity and thermodynamic functions of p-diacetylbenzene diethyl ketal,
Termodin. Org. Soedin., 1978, (7), 12-16. [all data]
Karyakin, Sapozhnikov, et al., 1978, 2
Karyakin, N.V.; Sapozhnikov, V.N.; Teplyakov, M.M.; Chebotarev, V.P.,
The thermodynamics of polycondensation of the ethyl ketals of acetophenone and p-diacetylbenzene,
Vysokomol. Soedin., 1978, A20, 1950-1956. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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