Benzenamine, N,N-diphenyl-
- Formula: C18H15N
- Molecular weight: 245.3184
- IUPAC Standard InChIKey: ODHXBMXNKOYIBV-UHFFFAOYSA-N
- CAS Registry Number: 603-34-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: N,N-Diphenylaniline; Triphenylamine; N,N-Diphenylbenzenamine
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Condensed phase thermochemistry data
Go To: Top, Phase change 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 | 56.1 ± 0.8 | kcal/mol | Ccb | Steele, 1978 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -2261.4 ± 0.8 | kcal/mol | Ccb | Steele, 1978 | ALS |
Constant pressure heat capacity of solid
Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
71.10 | 298.5 | Smith and Andrews, 1931 | T = 102 to 346 K. Value is unsmoothed experimental datum.; DH |
Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 620.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 399.9 | K | N/A | Chickos, Braton, et al., 1991 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 400.7 | K | N/A | Forward, Bowden, et al., 1949 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tfus | 399. | K | N/A | Adkins, Zartman, et al., 1931 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 399.65 | K | N/A | Smith and Andrews, 1931, 2 | Uncertainty assigned by TRC = 0.6 K; with Hg thelrmometer; TRC |
Tfus | 398.95 | K | N/A | Smith and Andrews, 1931, 2 | Uncertainty assigned by TRC = 0.5 K; with thermocouple; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 22.0 ± 0.6 | kcal/mol | V | Steele, 1978 | ALS |
ΔsubH° | 22.0 | kcal/mol | N/A | Steele, 1978 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.6 | 488. | A | Stephenson and Malanowski, 1987 | Based on data from 473. to 640. K. See also Forward, Bowden, et al., 1949, 2.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.0 ± 0.31 | 337. | BG | Steele, 1978 | Based on data from 322. to 373. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.949 | 400.2 | Acree, 1993 | AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, 1978
Steele, W.V.,
The standard enthalpies of formation of the triphenyl compounds of the Group V elements. 1. Triphenylamine and the Ph-N bond-dissociation energy,
J. Chem. Thermodyn., 1978, 10, 441-444. [all data]
Smith and Andrews, 1931
Smith, R.H.; Andrews, D.H.,
Thermal energy studies. II. Phenyl derivatives of metals,
J. Am. Chem. Soc., 1931, 53, 3661-3667. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Chickos, Braton, et al., 1991
Chickos, J.S.; Braton, C.M.; Hesse, D.G.; Liebman, J.F.,
Estimating entropies and enthalpies of fusion of organic compounds,
J. Org. Chem., 1991, 56, 3, 927, https://doi.org/10.1021/jo00003a007
. [all data]
Forward, Bowden, et al., 1949
Forward, M.V.; Bowden, S.T.; Jones, W.J.,
Physical Properties of Triphenyl Compounds of Group VB Elements,
J. Chem. Soc., 1949, 1949, 121-6. [all data]
Adkins, Zartman, et al., 1931
Adkins, H.; Zartman, W.H.; Cramer, H.,
The Hydrogention of Certain Branched Compounds Over Nickel,
J. Am. Chem. Soc., 1931, 53, 1425. [all data]
Smith and Andrews, 1931, 2
Smith, R.H.; Andrews, D.H.,
Thermal Energy Studies II. Phenyl Derivatives of Metals,
J. Am. Chem. Soc., 1931, 53, 3661-7. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Forward, Bowden, et al., 1949, 2
Forward, M.V.; Bowden, S.T.; Jones, W.J.,
S 26. Physical properties of triphenyl compounds of group V B elements,
J. Chem. Soc., 1949, S121, https://doi.org/10.1039/jr949000s121
. [all data]
Acree, 1993
Acree, William E.,
Thermodynamic properties of organic compounds,
Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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