Benzene, (nitromethyl)-
- Formula: C7H7NO2
- Molecular weight: 137.1360
- IUPAC Standard InChIKey: VLZLOWPYUQHHCG-UHFFFAOYSA-N
- CAS Registry Number: 622-42-4
- 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: Toluene, α-nitro-; α-Nitrotoluene; (Nitromethyl)benzene; Nitrophenylmethane; Phenylnitromethane
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Gas 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 7.34 ± 0.68 | kcal/mol | Ccb | Pepekin, Lebedev, et al., 1969 | Reanalyzed by Cox and Pilcher, 1970, Original value = 7.9 ± 0.9 kcal/mol; Author's hf298_condensed=6.1±0.6 |
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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -5.46 ± 0.61 | kcal/mol | Ccb | Pepekin, Lebedev, et al., 1969 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4.9 ± 0.6 kcal/mol; Author's hf298_condensed=6.1±0.6 |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -892.00 ± 0.60 | kcal/mol | Ccb | Pepekin, Lebedev, et al., 1969 | Reanalyzed by Cox and Pilcher, 1970, Original value = -892.6 ± 0.6 kcal/mol; Author's hf298_condensed=6.1±0.6 |
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:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 499.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.8 ± 0.3 | kcal/mol | V | Pepekin, Lebedev, et al., 1969 | Author's hf298_condensed=6.1±0.6; ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.9 | 378. | A | Stephenson and Malanowski, 1987 | Based on data from 363. to 413. K.; AC |
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 compiled by: John E. Bartmess
View reactions leading to C7H7NO2+ (ion structure unspecified)
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.650 ± 0.010 | ECD | Chen, Welk, et al., 1999 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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.
Pepekin, Lebedev, et al., 1969
Pepekin, V.I.; Lebedev, Yu.A.; Fainzil'berg, A.A.; Rozantsev, G.G.; Apin, A.Ya.,
Dissociation energy of the carbon-nitrogen bond in phenylnitromethane,
Russ. J. Phys. Chem. (Engl. Transl.), 1969, 43, 1454-1455. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Chen, Welk, et al., 1999
Chen, E.C.M.; Welk, N.; Chen, E.S.; Wentworth, W.E.,
Electron affinity, gas-phase acidity, bond dissociation energy, and negative ion states of nitromethane,
J. Phys. Chem. A, 1999, 103, 45, 9072-9079, https://doi.org/10.1021/jp990530l
. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity Tboil Boiling point 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 ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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