p-Terphenyl-d14
- Formula: C18D14
- Molecular weight: 244.3900
- IUPAC Standard InChIKey: XJKSTNDFUHDPQJ-WZAAGXFHSA-N
- CAS Registry Number: 1718-51-0
- 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. - Isotopologues:
- Other names: [2H14]Terphenyl
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Condensed 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: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°solid,1 bar | 75.342 | cal/mol*K | N/A | Saito, Atake, et al., 1988 | crystaline, I phase |
Constant pressure heat capacity of solid
Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
76.401 | 298.15 | Saito, Atake, et al., 1988 | crystaline, I phase; T = 5 to 300 K. |
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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 23.8 ± 1.1 | kcal/mol | CGC | Hanshaw, Nutt, et al., 2008 | AC |
ΔvapH° | 24.28 | kcal/mol | CGC | Zhao, Unhannanant, et al., 2008 | AC |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.0688 | 180.3 | crystaline, II | crystaline, I | Saito, Atake, et al., 1988 | DH |
0.0461 | 178.8 | crystaline, II | crystaline, I | Cailleau and Dworkin, 1979 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.390 | 180.3 | crystaline, II, Lambda | crystaline, I, type transition | Saito, Atake, et al., 1988 | DH |
0.258 | 178.8 | crystaline, II | crystaline, I | Cailleau and Dworkin, 1979 | DH |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 358.2 | Donnelly, Abdel-Hamid, et al., 1993 | 30. m/0.32 mm/0.25 μm, He, 40. C @ 3. min, 8. K/min, 285. C @ 29.5 min |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Saito, Atake, et al., 1988
Saito, K.; Atake, T.; Chihara, H.,
Thermodynamic studies on order-disorder phase transitions of p-terphenyl and p-terphenyl-d14,
Bull. Chem. Soc. Japan, 1988, 61, 2327-2336. [all data]
Hanshaw, Nutt, et al., 2008
Hanshaw, William; Nutt, Marjorie; Chickos, James S.,
Hypothetical Thermodynamic Properties. Subcooled Vaporization Enthalpies and Vapor Pressures of Polyaromatic Hydrocarbons,
J. Chem. Eng. Data, 2008, 53, 8, 1903-1913, https://doi.org/10.1021/je800300x
. [all data]
Zhao, Unhannanant, et al., 2008
Zhao, Hui; Unhannanant, Patamaporn; Hanshaw, William; Chickos, James S.,
Enthalpies of Vaporization and Vapor Pressures of Some Deuterated Hydrocarbons. Liquid-Vapor Pressure Isotope Effects,
J. Chem. Eng. Data, 2008, 53, 7, 1545-1556, https://doi.org/10.1021/je800091s
. [all data]
Cailleau and Dworkin, 1979
Cailleau, H.; Dworkin, A.,
Calorimetric study of the phase transition of para-terphenyl,
Mol. Cryst. Liq. Cryst., 1979, 50, 217-222. [all data]
Donnelly, Abdel-Hamid, et al., 1993
Donnelly, J.R.; Abdel-Hamid, M.S.; Jeter, J.L.; Gurka, D.F.,
Application of gas chromatographic retention properties to the identification of environmental contaminants,
J. Chromatogr., 1993, 642, 1-2, 409-415, https://doi.org/10.1016/0021-9673(93)80106-I
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, 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) ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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