Benzene, nitro-
- Formula: C6H5NO2
- Molecular weight: 123.1094
- IUPAC Standard InChIKey: LQNUZADURLCDLV-UHFFFAOYSA-N
- CAS Registry Number: 98-95-3
- 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: Essence of Mirbane; Essence of Myrbane; Mirbane oil; Nitrobenzene; Nitrobenzol; Oil of Mirbane; Oil of Myrbane; Nitrobenzeen; Nitrobenzen; NCI-C60082; Rcra waste number U169; UN 1662; NSC 9573
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Reaction thermochemistry data
Go To: Top, 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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Individual Reactions
By formula: Cl- + C6H5NO2 = (Cl- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.3 ± 1.0 | kcal/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B,M |
ΔrH° | 16.5 | kcal/mol | PHPMS | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
ΔrS° | 19.4 | cal/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.5 ± 1.6 | kcal/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B |
ΔrG° | 7.10 | kcal/mol | TDEq | French, Ikuta, et al., 1982 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
10.5 | 300. | PHPMS | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
7.7 | 300. | PHPMS | French, Ikuta, et al., 1982 | gas phase; M |
C6H4NO2- + =
By formula: C6H4NO2- + H+ = C6H5NO2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 377.0 ± 3.1 | kcal/mol | G+TS | Cheng and Grabowski, 1989 | gas phase; between EtOH, iPrOH; B |
ΔrH° | 354.2 ± 3.1 | kcal/mol | G+TS | Meot-ner and Kafafi, 1988 | gas phase; acidity stronger than all levels of computation by 25 kcal/mol; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 369.3 ± 3.0 | kcal/mol | IMRB | Cheng and Grabowski, 1989 | gas phase; between EtOH, iPrOH; B |
ΔrG° | 346.5 ± 3.0 | kcal/mol | IMRB | Meot-ner and Kafafi, 1988 | gas phase; acidity stronger than all levels of computation by 25 kcal/mol; B |
By formula: Br- + C6H5NO2 = (Br- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.0 ± 1.8 | kcal/mol | TDAs | Paul and Kebarle, 1991 | gas phase; ΔGaff at 423 K; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.2 | cal/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.5 ± 1.0 | kcal/mol | TDAs | Paul and Kebarle, 1991 | gas phase; ΔGaff at 423 K; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
6.5 | 423. | PHPMS | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
By formula: C6H7N+ + C6H5NO2 = (C6H7N+ • C6H5NO2)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.7 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.2 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
10.7 | 324. | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; M |
By formula: NO2- + C6H5NO2 = (NO2- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.2 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.5 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.9 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: C11H10+ + C6H5NO2 = (C11H10+ • C6H5NO2)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.1 | kcal/mol | PHPMS | El-Shall and Meot-Ner (Mautner), 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.3 | cal/mol*K | PHPMS | El-Shall and Meot-Ner (Mautner), 1987 | gas phase; M |
By formula: NO- + C6H5NO2 = (NO- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 39.3 | kcal/mol | ICR | Reents and Freiser, 1981 | gas phase; switching reaction,Thermochemical ladder(NO+)C2H5OH, Entropy change calculated or estimated; Farid and McMahon, 1978; M |
By formula: F6S- + C6H5NO2 = (F6S- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.9 ± 1.0 | kcal/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.7 ± 1.6 | kcal/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B |
By formula: F6S- + C6H5NO2 = (F6S- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.9 | kcal/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.5 | cal/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
By formula: C7F14- + C6H5NO2 = (C7F14- • C6H5NO2)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
6.7 | 300. | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
+ = C13H5F14NO2-
By formula: C7F14- + C6H5NO2 = C13H5F14NO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 6.7 ± 1.0 | kcal/mol | IMRE | Chowdhury and Kebarle, 1986 | gas phase; B |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Role of Binding Energies in A-.B and A.B- Complexes in the Kinetics of Gas Phase Electron Transfer Reactions:A- + B = A + B- Involving Perfluoro Compounds: SF6, C6F11CF3,
J. Chem. Phys., 1986, 85, 9, 4989, https://doi.org/10.1063/1.451687
. [all data]
Paul and Kebarle, 1991
Paul, G.J.C.; Kebarle, P.,
Stabilities of Complexes of Br- with Substituted Benzenes (SB) Based on Determinations of the Gas-Phase Equilibria Br- + SB = (BrSB)-,
J. Am. Chem. Soc., 1991, 113, 4, 1148, https://doi.org/10.1021/ja00004a014
. [all data]
French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P.,
Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-,
Can. J. Chem., 1982, 60, 1907. [all data]
Cheng and Grabowski, 1989
Cheng, X.; Grabowski, J.J.,
Gas-phase Acidity of Nitrobenzene from Flowing Afterglow Bracketing Studies,
Rapid Commun. Mass Spectrom., 1989, 3, 2, 34-36, https://doi.org/10.1002/rcm.1290030207
. [all data]
Meot-ner and Kafafi, 1988
Meot-ner, M.; Kafafi, S.A.,
Carbon Acidities of Aromatic Compounds,
J. Am. Chem. Soc., 1988, 110, 19, 6297, https://doi.org/10.1021/ja00227a003
. [all data]
Meot-Ner (Mautner) and El-Shall, 1986
Meot-Ner (Mautner), M.; El-Shall, M.S.,
Ionic Charge Transfer Complexes. 1. Cationic Complexes with Delocalized and Partially Localized pi Systems,
J. Am. Chem. Soc., 1986, 108, 15, 4386, https://doi.org/10.1021/ja00275a026
. [all data]
Grimsrud, Chowdhury, et al., 1986
Grimsrud, E.P.; Chowdhury, S.; Kebarle, P.,
Gas Phase Reactions of NO2- with Nitrobenzenes and Quinones. Electron Transfer, Clusters, and Formation of Phenoxide and Quinoxide Negative Ions. Use of NO2 as a NICI Reagent Gas.,
Int. J. Mass Spectrom. Ion Proc., 1986, 68, 1-2, 57, https://doi.org/10.1016/0168-1176(86)87068-9
. [all data]
El-Shall and Meot-Ner (Mautner), 1987
El-Shall, M.S.; Meot-Ner (Mautner), M.,
Ionic Charge Transfer Complexes. 3. Delocalised pi Systems as Electron Acceptors and Donors,
J. Phys. Chem., 1987, 91, 5, 1088, https://doi.org/10.1021/j100289a017
. [all data]
Reents and Freiser, 1981
Reents, W.D.; Freiser, B.S.,
Gas-Phase Binding Energies and Spectroscopic Properties of NO+ Charge-Transfer Complexes,
J. Am. Chem. Soc., 1981, 103, 2791. [all data]
Farid and McMahon, 1978
Farid, R.; McMahon, T.B.,
Gas-Phase Ion-Molecule Reactions of Alkyl Nitrites by Ion Cyclotron Resonance Spectroscopy,
Int. J. Mass Spectrom. Ion Phys., 1978, 27, 2, 163, https://doi.org/10.1016/0020-7381(78)80037-0
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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