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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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Reaction 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 | 68.53 ± 0.67 | kJ/mol | Ccb | Lebedeva, Katin, et al., 1971 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 65.77 ± 0.42 kJ/mol |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Reaction 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°liquid | 12.5 ± 0.54 | kJ/mol | Ccb | Lebedeva, Katin, et al., 1971 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 9.71 ± 0.42 kJ/mol; ALS |
ΔfH°liquid | -16. | kJ/mol | Ccb | Swarts, 1914 | See 14SWA2; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3088.08 ± 0.42 | kJ/mol | Ccb | Lebedeva, Katin, et al., 1971 | ALS |
ΔcH°liquid | -3096. | kJ/mol | Ccb | Garner and Abernethy, 1921 | ALS |
ΔcH°liquid | -3073.8 | kJ/mol | Ccb | Swarts, 1914 | See 14SWA2; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 224.3 | J/mol*K | N/A | Parks, Todd, et al., 1936 | Extrapolation below 90 K, 62.13 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
177.3 | 303.15 | Reddy, 1986 | T = 303.15, 313.15 K.; DH |
181.13 | 298.15 | Lainez, Rodrigo, et al., 1985 | DH |
176. | 303. | Pacor, 1967 | DH |
180.2 | 293. | Rastorguev and Ganiev, 1967 | T = 293 to 373 K.; DH |
188.7 | 335.5 | Lutskii and Panova, 1958 | T = 62 to 141°C. Value is unsmoothed experimental datum.; DH |
179.95 | 293.15 | Mazur, 1939 | T = 5 to 20°C.; DH |
179.9 | 293. | Mazur, 1939, 2 | T = 5 to 20°C.; DH |
186.69 | 298.1 | Parks, Todd, et al., 1936 | T = 90 to 300 K.; DH |
186.73 | 298. | Parks and Todd, 1934 | T = 273 to 299 K.; DH |
177.4 | 303. | Willams and Daniels, 1924 | T = 303 to 358 K. Equation only.; DH |
177.8 | 298. | von Reis, 1881 | T = 291 to 486 K.; DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: Cl- + C6H5NO2 = (Cl- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 68.2 ± 4.2 | kJ/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B,M |
ΔrH° | 69.0 | kJ/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° | 84. | J/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
ΔrS° | 81.2 | J/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 43.9 ± 6.7 | kJ/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B |
ΔrG° | 29.7 | kJ/mol | TDEq | French, Ikuta, et al., 1982 | gas phase; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
43.9 | 300. | PHPMS | Paul and Kebarle, 1991 | gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M |
32. | 300. | PHPMS | French, Ikuta, et al., 1982 | gas phase; M |
C6H4NO2- + =
By formula: C6H4NO2- + H+ = C6H5NO2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1577. ± 13. | kJ/mol | G+TS | Cheng and Grabowski, 1989 | gas phase; between EtOH, iPrOH; B |
ΔrH° | 1482. ± 13. | kJ/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° | 1545. ± 13. | kJ/mol | IMRB | Cheng and Grabowski, 1989 | gas phase; between EtOH, iPrOH; B |
ΔrG° | 1450. ± 13. | kJ/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° | 62.8 ± 7.5 | kJ/mol | TDAs | Paul and Kebarle, 1991 | gas phase; ΔGaff at 423 K; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 84.5 | J/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 27. ± 4.2 | kJ/mol | TDAs | Paul and Kebarle, 1991 | gas phase; ΔGaff at 423 K; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
27. | 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° | 74.1 | kJ/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 88.7 | J/mol*K | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
44.8 | 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° | 59.4 ± 8.4 | kJ/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 73.2 | J/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 37. ± 8.4 | kJ/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° | 54.8 | kJ/mol | PHPMS | El-Shall and Meot-Ner (Mautner), 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 110. | J/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° | 164. | kJ/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° | 62.3 ± 4.2 | kJ/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 28. ± 6.7 | kJ/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B |
By formula: F6S- + C6H5NO2 = (F6S- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 62.3 | kJ/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 115. | J/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
By formula: C7F14- + C6H5NO2 = (C7F14- • C6H5NO2)
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
28. | 300. | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
+ = C13H5F14NO2-
By formula: C7F14- + C6H5NO2 = C13H5F14NO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 28. ± 4.2 | kJ/mol | IMRE | Chowdhury and Kebarle, 1986 | gas phase; B |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lebedeva, Katin, et al., 1971
Lebedeva, N.D.; Katin, Y.A.; Akhmedova, G.Y.,
Standard enthalpy of formation of nitrobenzene,
Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 1192-1193. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Swarts, 1914
Swarts, F.,
Sur la chaleur de combustion de quelques derives nitres aromatlques,
Recl. Trav. Chim. Pays-Bas, 1914, 33, 281-298. [all data]
Garner and Abernethy, 1921
Garner, W.E.; Abernethy, C.L.,
Heats of combustion and formation of nitro-compounds. Part I. - Benzene, toluene, phenol and methylaniline series,
Proc. Roy. Soc. London A, 1921, 213-235. [all data]
Parks, Todd, et al., 1936
Parks, G.S.; Todd, S.S.; Moore, W.A.,
Thermal data on organic compounds. XVI. Some heat capacity, entropy and free energy data for typical benzene derivatives and heterocyclic compounds,
J. Am. Chem. Soc., 1936, 58, 398-401. [all data]
Reddy, 1986
Reddy, K.S.,
Isentropic compressibilities of binary liquid mixtures at 303.15 and 313.15 K,
J. Chem. Eng. Data, 1986, 31, 238-240. [all data]
Lainez, Rodrigo, et al., 1985
Lainez, A.; Rodrigo, M.; Roux, A.H.; Grolier, J.-P.E.; Wilhelm, E.,
Relations between structure and thermodynamic properties. Heat capacities of polar substances (nitrobenzene and benzonitrile) in alkane solutions,
Calorim. Anal. Therm., 1985, 16, 153-158. [all data]
Pacor, 1967
Pacor, P.,
Applicability of the DuPont 900 DTA apparatus in quantitative differential thermal analysis,
Anal. Chim. Acta, 1967, 37, 200-208. [all data]
Rastorguev and Ganiev, 1967
Rastorguev, Yu.L.; Ganiev, Yu.A.,
Study of the heat capacity of selected solvents,
Izv. Vyssh. Uchebn. Zaved. Neft Gaz. 10, 1967, No.1, 79-82. [all data]
Lutskii and Panova, 1958
Lutskii, A.E.; Panova, A.N.,
Specific heat of liquid nitrobenzene,
Zhur. Fiz. Khim., 1958, 32, 2183-2185. [all data]
Mazur, 1939
Mazur, J.,
Über die spezifische Wärme des Nitrobenzols,
Acta Phys. Pol., 1939, 7, 290-304. [all data]
Mazur, 1939, 2
Mazur, J.,
Über die spezifische Wärme des Äthyläthers, des Nitrobenzols und des Schwefelkohlenstoffs,
Z. Physik., 1939, 113, 710-720. [all data]
Parks and Todd, 1934
Parks, G.S.; Todd, S.S.,
Some heat capacity data for liquid nitrobenzene, no indication of allotropy,
J. Chem. Phys., 1934, 2, 440-441. [all data]
Willams and Daniels, 1924
Willams, J.W.; Daniels, F.,
The specific heats of certain organic liquids at elevated temperatures,
J. Am. Chem. Soc., 1924, 46, 903-917. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions T Temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions 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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