Benzene, 1-methyl-3-nitro-
- Formula: C7H7NO2
- Molecular weight: 137.1360
- IUPAC Standard InChIKey: QZYHIOPPLUPUJF-UHFFFAOYSA-N
- CAS Registry Number: 99-08-1
- 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: Toluene, m-nitro-; m-Methylnitrobenzene; m-Nitrotoluene; MNT; 1-Methyl-3-nitrobenzene; 3-Nitrotoluene; 3-Methylnitrobenzene; 3-Nitrotoluol; UN 1664; 3-Methyl-1-nitrobenzene
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Reaction thermochemistry data
Go To: Top, IR Spectrum, Gas Chromatography, 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: Br- + C7H7NO2 = (Br- • C7H7NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.5 ± 7.5 | kJ/mol | IMRE | Paul and Kebarle, 1991 | gas phase; ΔGaff at 423 K, ΔSaff taken as that of mCF3-nitrobenzene..Br-; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 92. | 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 | IMRE | Paul and Kebarle, 1991 | gas phase; ΔGaff at 423 K, ΔSaff taken as that of mCF3-nitrobenzene..Br-; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
26. | 423. | PHPMS | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
C7H6NO2- + =
By formula: C7H6NO2- + H+ = C7H7NO2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1518. ± 8.8 | kJ/mol | G+TS | Caldwell and Bartmess | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1488. ± 8.4 | kJ/mol | IMRE | Caldwell and Bartmess | gas phase; value altered from reference due to change in acidity scale; B |
IR Spectrum
Go To: Top, Reaction thermochemistry data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-400 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 130. | 1201. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 202.07 | Chen, Keeran, et al., 2002 | 30. m/0.25 mm/0.5 μm, 40. C @ 1. min, 10. K/min; Tend: 310. C |
References
Go To: Top, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E.,
, Unpublished results. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Chen, Keeran, et al., 2002
Chen, P.H.; Keeran, W.S.; Van Ausdale, W.A.; Schindler, D.R.; Roberts, D.W.,
Application of Lee retention indices to the confirmation of tentatively identified compounds from GC/MS analysis of environmental samples, Technical paper, Analytical Services Division, Environmental ScienceEngineering, Inc, PO Box 1703, Gainesville, FL 32602, 2002, 11. [all data]
Notes
Go To: Top, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, 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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