Benzene, 1,3,5-trimethyl-2-nitro-
- Formula: C9H11NO2
- Molecular weight: 165.1891
- IUPAC Standard InChIKey: SCEKDQTVGHRSNS-UHFFFAOYSA-N
- CAS Registry Number: 603-71-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Mesitylene, 2-nitro-; Mononitromesitylene; Nitromesitylene; 2-Nitromesitylene; 2,4,6-Trimethyl-1-nitrobenzene; 2,4,6-Trimethylnitrobenzene; 1,3,5-Trimethyl-2-nitrobenzene; NSC 5413
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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 | -6.41 ± 0.53 | kcal/mol | Ccb | Acree, Tucker, et al., 1993 |
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°solid | -25.19 ± 0.48 | kcal/mol | Ccb | Acree, Tucker, et al., 1993 | crystal phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1197.0 ± 0.38 | kcal/mol | Ccb | Acree, Tucker, et al., 1993 | crystal phase |
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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
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 | 528.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 317. | K | N/A | White, Biggs, et al., 1940 | Uncertainty assigned by TRC = 1.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 18.8 ± 0.24 | kcal/mol | C | Acree, Tucker, et al., 1993 | crystal phase; ALS |
ΔsubH° | 18.8 ± 0.24 | kcal/mol | C | Acree, Tucker, et al., 1993 | See also Acree, Tucker, et al., 1993.; 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 196.9 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 189.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.70 ± 0.10 | IMRE | Mishima, Kang, et al., 1993 | ΔGea(343 K) = -15.5 kcal/mol; ΔSea (est) = -2.0 eu.; B |
0.71 ± 0.10 | TDEq | Chowdhury, Heinis, et al., 1986 | ΔGea= -16.1 kcal/mol; ΔSea estimated = -1.1 eu.; B |
0.707 ± 0.087 | IMRE | Huh, Kang, et al., 1999 | ΔG(EA) 343K; anchored to ΔG value. Including anchor ΔS, EA is ca. 0.4 kcal/mol more bound.; B |
0.776 ± 0.048 | IMRE | Fukuda and McIver, 1985 | ΔGea(355 K) = -17.5 kcal/mol; ΔSea =-1.1, est. from data in Chowdhury, Heinis, et al., 1986; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.8 | PE | Kobayashi and Nagakura, 1974 | LLK |
9.01 | PE | Kobayashi and Nagakura, 1974 | Vertical value; LLK |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-8743 |
NIST MS number | 238456 |
UV/Visible 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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | missing citation |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 285 |
Instrument | Spectrophotometer SF-16 |
Melting point | 44 |
Boiling point | 255 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Acree, Tucker, et al., 1993
Acree, W.E., Jr.; Tucker, S.A.; Pilcher, G.; Chowdhary, A.; Ribeiro da Silva, M.D.M.; Monte, M.J.S.,
Enthalpies of combustion of 2,2',4,4',6,6'-hexamethylazobenzene-N,N-dioxide, 2,2',6,6'-tetramethylazobenzene-N,N-dioxide, 2,4,6-trimethylnitrobenzene, and 2,6-dimethyl-nitrobenzene: the dissociation enthalpies of the N=N and N-O bonds,
J. Chem. Thermodyn., 1993, 25, 1253-1261. [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]
White, Biggs, et al., 1940
White, A.H.; Biggs, B.S.; Morgan, S.O.,
Dielectric Evidence for Molecular Rotation in the Crystals of Certain Benzene Derivatives,
J. Am. Chem. Soc., 1940, 62, 16-25. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Mishima, Kang, et al., 1993
Mishima, M.; Kang, C.H.; Huh, C.; Fujio, M.; Tsuno, Y.,
Substituent Effect on Electron Affinity of 2,6-Dimethylnitrobenzene,
Chem. Lett., 1993, 22, 5, 889, https://doi.org/10.1246/cl.1993.889
. [all data]
Chowdhury, Heinis, et al., 1986
Chowdhury, S.; Heinis, T.; Grimsrud, E.P.; Kebarle, P.,
Entropy Changes and Electron Affinities from Gas-Phase Electron Transfer Equilibria: A- + B = A + B-,
J. Phys. Chem., 1986, 90, 12, 2747, https://doi.org/10.1021/j100403a037
. [all data]
Huh, Kang, et al., 1999
Huh, C.; Kang, C.H.; Lee, H.W.; Nakamura, H.; Mishima, M.; Tsuno, Y.; Yamataka, H.,
Thermodynamic stabilities and resonance demand of aromatic radical anions in the gas phase,
Bull. Chem. Soc. Japan, 1999, 72, 5, 1083-1091, https://doi.org/10.1246/bcsj.72.1083
. [all data]
Fukuda and McIver, 1985
Fukuda, E.K.; McIver, R.T., Jr.,
Relative electron affinities of substituted benzophenones, nitrobenzenes, and quinones. [Anchored to EA(SO2) from 74CEL/BEN],
J. Am. Chem. Soc., 1985, 107, 2291. [all data]
Kobayashi and Nagakura, 1974
Kobayashi, T.; Nagakura, S.,
Photoelectron spectra of substituted benzenes,
Bull. Chem. Soc. Jpn., 1974, 47, 2563. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
EA Electron affinity Tboil Boiling point 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 ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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