m-Nitroaniline
- Formula: C6H6N2O2
- Molecular weight: 138.1240
- IUPAC Standard InChIKey: XJCVRTZCHMZPBD-UHFFFAOYSA-N
- CAS Registry Number: 99-09-2
- 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, 3-nitro-; Aniline, m-nitro-; m-Aminonitrobenzene; m-Nitroaminobenzene; m-Nitrophenylamine; Amarthol Fast Orange R Base; Azobase MNA; C.I. Azoic Diazo Component 7; C.I. 37030; Daito Orange Base R; Devol Orange R; Diazo Fast Orange R; Fast Orange Base R; Fast Orange M Base; Fast Orange MM Base; Fast Orange R Base; Fast Orange R Salt; Hiltonil Fast Orange R Base; MNA; Naphtoelan Orange R Base; Nitranilin; Orange Base Irga I; 1-Amino-3-nitrobenzene; 3-Nitroaniline; 3-Nitrobenzenamine; 3-Nitrobenzeneamine; 3-Nitrophenylamine; m-Nitraniline; 3-Aminonitrobenzene; NSC 9574
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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 | 62.5 ± 1.8 | kJ/mol | Ccr | Nishiyama, Sakiyama, et al., 1983 |
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 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 | -34.2 ± 1.2 | kJ/mol | Ccr | Nishiyama, Sakiyama, et al., 1983 | ALS |
ΔfH°solid | -38. ± 0.4 | kJ/mol | Ccb | Lebedeva, Gutner, et al., 1971 | Hfusion=5.7±0.2, see Lebedeva, Rjadnenko, et al., 1969; ALS |
ΔfH°solid | -28.3 | kJ/mol | Ccb | Medard and Thomas, 1957 | Heat of combustion corrected for pressure; ALS |
ΔfH°solid | -63.47 | kJ/mol | Ccb | Rinkenbach, 1930 | Author hf298_condensed[kcal/mol]=-17.50; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3184.32 ± 0.88 | kJ/mol | Ccr | Nishiyama, Sakiyama, et al., 1983 | ALS |
ΔcH°solid | -3180. ± 0.4 | kJ/mol | Ccb | Lebedeva, Gutner, et al., 1971 | Hfusion=5.7±0.2, see Lebedeva, Rjadnenko, et al., 1969; ALS |
ΔcH°solid | -3190.3 | kJ/mol | Ccb | Medard and Thomas, 1957 | Heat of combustion corrected for pressure; ALS |
ΔcH°solid | -3155.1 | kJ/mol | Ccb | Rinkenbach, 1930 | Author hf298_condensed[kcal/mol]=-17.50; ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
158.84 | 298.15 | Nishiyama, Sakiyama, et al., 1983 | Cp given as 1.15 J/g*K.; DH |
186.6 | 323. | Satoh and Sogabe, 1941 | T = 0 to 100°C. Mean value.; DH |
168.2 | 298. | Andrews, Lynn, et al., 1926 | T = 22 to 210°C.; DH |
167.4 | 297.9 | Andrews, 1926 | T = 110 to 344 K. Value is unsmoothed experimental datum.; DH |
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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 386. ± 3. | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 97. ± 1. | kJ/mol | V | Malaspina, Gigli, et al., 1973 | ALS |
ΔsubH° | 96.5 ± 0.3 | kJ/mol | C | Malaspina, Gigli, et al., 1973 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
64.9 | 458. | A | Ferro and Piacente, 1985 | Based on data from 443. to 578. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
392.5 to 578.9 | 5.84615 | 3308.304 | -12.776 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
93.6 ± 0.7 | 351. | ME | Malaspina, Gigli, et al., 1973 | Based on data from 320. to 384. K.; AC |
94.6 ± 0.3 | 351. | C | Malaspina, Gigli, et al., 1973 | Based on data from 320. to 384. K.; AC |
97.6 | 316. | ME | Hoyer and Peperle, 1958 | Based on data from 288. to 343. K. See also Cox and Pilcher, 1970.; AC |
97.5 ± 4.2 | 288. | V | Hoyer and Peperle, 1958, 2 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 95.0 kJ/mol; ALS |
88.7 ± 2.5 | 332. to 341. | N/A | Wolf and Weghofer, 1938 | See also Jones, 1960 and Trieschmann, 1935.; AC |
89. ± 2. | 342. | V | Wolf and Weghofer, 1938, 2 | ALS |
88.3 ± 1.7 | 332. to 341. | TE | Wolf and Trieschmann, 1934 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
23.689 | 387. | Singh, Gupta, et al., 1990 | DH |
23.68 | 387.2 | Domalski and Hearing, 1996 | AC |
23.600 | 384.95 | Booss and Hauschildt, 1972 | DH |
23.680 | 385.0 | Andrews, Lynn, et al., 1926 | DH |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
61.3 | 384.95 | Booss and Hauschildt, 1972 | DH |
61.5 | 385.0 | Andrews, Lynn, et al., 1926 | DH |
Reaction 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: John E. Bartmess
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
C6H5N2O2- + =
By formula: C6H5N2O2- + H+ = C6H6N2O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1474. ± 8.8 | kJ/mol | G+TS | Taft and Topsom, 1987 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1443. ± 8.4 | kJ/mol | IMRE | Taft and Topsom, 1987 | gas phase |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C6H6N2O2+ (ion structure unspecified)
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.95 ± 0.10 | IMRE | Chowdhury, Kishi, et al., 1989 | ΔGea(423 K) = -21.0 kcal/mol, ΔS = -2 eu est; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.31 ± 0.02 | PI | Potapov, Kardash, et al., 1972 | LLK |
8.80 | EI | Crable and Kearns, 1962 | RDSH |
8.60 | PE | Khalil, Meeks, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H6N+ | 11.2 ± 0.1 | NO2 | EI | Brown, 1970 | RDSH |
C6H6NO+ | 9.1 ± 0.1 | NO | EI | Brown, 1970 | RDSH |
De-protonation reactions
C6H5N2O2- + =
By formula: C6H5N2O2- + H+ = C6H6N2O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1474. ± 8.8 | kJ/mol | G+TS | Taft and Topsom, 1987 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1443. ± 8.4 | kJ/mol | IMRE | Taft and Topsom, 1987 | gas phase; B |
IR Spectrum
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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
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Nishiyama, Sakiyama, et al., 1983
Nishiyama, K.; Sakiyama, M.; Seki, S.,
Enthalpies of combustion of organic compounds. V. 3- and 4-nitroanilines,
Bull. Chem. Soc. Jpn., 1983, 56, 3171-3172. [all data]
Lebedeva, Gutner, et al., 1971
Lebedeva, N.D.; Gutner, N.M.; Ryadnenko, V.L.,
Heats of combustion and formation of certain aromatic amino-derivatives,
Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 561-562. [all data]
Lebedeva, Rjadnenko, et al., 1969
Lebedeva, N.D.; Rjadnenko, B.L.; Gutner, N.M.,
Heats of formation of some N-containing organic compounds,
Int. Conf. Calorim. Therm. (Warsaw, Poland), 1969, 1-8. [all data]
Medard and Thomas, 1957
Medard, L.; Thomas, M.,
Chaleur de combustion de onze substances explosives ou apparentees a des explosifs,
Mem. Poudres, 1957, 39, 195-208. [all data]
Rinkenbach, 1930
Rinkenbach, W.H.,
The heats of combustion and formation of aromatic nitro compounds,
J. Am. Chem. Soc., 1930, 52, 115-120. [all data]
Satoh and Sogabe, 1941
Satoh, S.; Sogabe, T.,
The heat capacities of some organic compounds containing nitrogen and the atomic heat of nitrogen. (3), Sci.,
Pap. Inst. Phys. Chem. Res. (Tokyo), 1941, 38, 238-245. [all data]
Andrews, Lynn, et al., 1926
Andrews, D.H.; Lynn, G.; Johnston, J.,
The heat capacities and heat of crystallization of some isomeric aromatic compounds,
J. Am. Chem. Soc., 1926, 48, 1274-1287. [all data]
Andrews, 1926
Andrews, D.H.,
The specific heats of some isomers of the type ortho, meta and para C6H4XY from 110 to 340K,
J. Am. Chem. Soc., 1926, 48, 1287-1298. [all data]
Malaspina, Gigli, et al., 1973
Malaspina, L.; Gigli, R.; Bardi, G.; De Maria, G.,
Simultaneous determination by Knudsen effusion microcalorimetry of the vapour pressure and the enthalpy of sublimation of p- and m-nitroaniline,
J. Chem. Thermodyn., 1973, 5, 699-706. [all data]
Ferro and Piacente, 1985
Ferro, D.; Piacente, V.,
Heat of vaporization of o-, m- and p-nitroaniline,
Thermochimica Acta, 1985, 90, 387-389, https://doi.org/10.1016/0040-6031(85)87121-5
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Hoyer and Peperle, 1958
Hoyer, H.; Peperle, W.,
Z. Elektrochem., 1958, 62, 61. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Hoyer and Peperle, 1958, 2
Hoyer, H.; Peperle, W.,
Dampfdrunkmessungen an organischen substanzen und ihre sublimationswarmen,
Z. Electrochem., 1958, 62, 61-66. [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]
Wolf and Weghofer, 1938
Wolf, K.L.; Weghofer, H.Z.,
Z. Phys. Chem. Abt. B, 1938, 39, 194. [all data]
Jones, 1960
Jones, A.H.,
Sublimation Pressure Data for Organic Compounds.,
J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019
. [all data]
Trieschmann, 1935
Trieschmann, H.G.,
, Ph.D. Dissertation, Inst. Fur Phys. Chem. and Electrochem. der Universitat Kiel, Germany, 1935. [all data]
Wolf and Weghofer, 1938, 2
Wolf, K.L.; Weghofer, H.,
Uber sublimationswarmen,
Z. Phys. Chem., 1938, 39, 194-208. [all data]
Wolf and Trieschmann, 1934
Wolf, K.L.; Trieschmann, H.G.,
Z. Phys. Chem. Abt. B, 1934, 27, 376. [all data]
Singh, Gupta, et al., 1990
Singh, R.N.; Gupta, J.P.; Singh, N.; Singh, N.P.; Singh, O.P.; Singh, N.B.; Hopkins, R.H.; Mazelsky, R.,
Growth conditions of organic non-linear optical crystals,
Thermochim. Acta, 1990, 165(2), 297-299. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Booss and Hauschildt, 1972
Booss, H.J.; Hauschildt, K.R.,
Die Schmelzenthalpie des Benzils und 4-Nitrophenols,
Z. Anal. Chem., 1972, 261(1), 32. [all data]
Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D.,
The Nature and Analysis of Substituent Effects,
Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Chowdhury, Kishi, et al., 1989
Chowdhury, S.; Kishi, H.; Dillow, G.W.; Kebarle, P.,
Electron Affinities of Substituted Nitrobenzenes,
Can. J. Chem., 1989, 67, 4, 603, https://doi.org/10.1139/v89-091
. [all data]
Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I.,
Photoionization of heteroaromatic compounds,
Khim. Vys. Energ., 1972, 6, 392. [all data]
Crable and Kearns, 1962
Crable, G.F.; Kearns, G.L.,
Effect of substituent groups on the ionization potentials of benzenes,
J. Phys. Chem., 1962, 66, 436. [all data]
Khalil, Meeks, et al., 1973
Khalil, O.S.; Meeks, J.L.; McGlynn, S.P.,
Electronic spectroscopy of highly polar aromatics. VII. Photoelectron spectra of nitroanilines,
J. Am. Chem. Soc., 1973, 95, 5876. [all data]
Brown, 1970
Brown, P.,
Kinetic studies in mass spectrometry. IX. Competing [M-NO2] and [M-NO] reactions in substituted nitrobenzenes. Approximate activation energies from ionization and appearance potentials,
Org. Mass Spectrom., 1970, 4, 533. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, References
- Symbols used in this document:
AE Appearance energy Cp,solid Constant pressure heat capacity of solid EA Electron affinity Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions 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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