Diphenylamine
- Formula: C12H11N
- Molecular weight: 169.2224
- IUPAC Standard InChIKey: DMBHHRLKUKUOEG-UHFFFAOYSA-N
- CAS Registry Number: 122-39-4
- 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: Benzenamine, N-phenyl-; Anilinobenzene; Benzene, (phenylamino)-; DFA; DPA; N-Phenylaniline; N-Phenylbenzeneamine; Aniline, N-phenyl-; Benzene, anilino-; Big Dipper; C.I. 10355; N-Phenylbenzenamine; N,N-Diphenylamine; No-Scald; Phenylaniline; Scaldip; Deccoscald 282; Difenylamin; N-Fenylanilin; No-Scald dpa 283; Naugalube 428L; NSC 215210
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Gas phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.19 ± 0.05 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.18 ± 0.01 | PE | Debies and Rabalais, 1974 | LLK |
7.14 ± 0.03 | PI | Potapov and Iskakov, 1971 | LLK |
7.25 ± 0.03 | PI | Vilesov and Zaitsev, 1964 | RDSH |
7.44 | PE | Haink, Adams, et al., 1974 | Vertical value; LLK |
De-protonation reactions
C12H10N- + =
By formula: C12H10N- + H+ = C12H11N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1468. ± 8.8 | kJ/mol | G+TS | Taft and Bordwell, 1988 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1438. ± 8.4 | kJ/mol | IMRE | Taft and Bordwell, 1988 | gas phase; B |
References
Go To: Top, 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.
Debies and Rabalais, 1974
Debies, T.P.; Rabalais, J.W.,
Photoelectron spectra of substituted benzenes. III. Bonding with Group V substituents,
Inorg. Chem., 1974, 13, 308. [all data]
Potapov and Iskakov, 1971
Potapov, V.K.; Iskakov, L.I.,
Electronic structure and photoionization of aromatic amines,
High Energy Chem., 1971, 5, 237, In original 264. [all data]
Vilesov and Zaitsev, 1964
Vilesov, F.I.; Zaitsev, V.M.,
Photoionization of phenyl derivatives of group 5 elements,
Dokl. Akad. Nauk SSSR, 1964, 154, 886, In original 117. [all data]
Haink, Adams, et al., 1974
Haink, H.J.; Adams, J.E.; Huber, J.R.,
The electronic structure of aromatic amines: photoelectron spectroscopy of diphenylamine, iminobibenzyl, acridan and carbazole,
Ber. Bunsen-Ges. Phys. Chem., 1974, 78, 436. [all data]
Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G.,
Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase,
Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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