Benzene, 1,3,5-trimethyl-2-nitro-

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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
Δfgas-26.8 ± 2.2kJ/molCcbAcree, 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
Δfsolid-105.4 ± 2.0kJ/molCcbAcree, Tucker, et al., 1993crystal phase
Quantity Value Units Method Reference Comment
Δcsolid-5008.2 ± 1.6kJ/molCcbAcree, Tucker, et al., 1993crystal 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
Tboil528.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus317.KN/AWhite, Biggs, et al., 1940Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Δsub78.6 ± 1.0kJ/molCAcree, Tucker, et al., 1993crystal phase; ALS
Δsub78.6 ± 1.0kJ/molCAcree, Tucker, et al., 1993See also Acree, Tucker, et al., 1993.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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)823.8kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity793.1kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.70 ± 0.10IMREMishima, Kang, et al., 1993ΔGea(343 K) = -15.5 kcal/mol; ΔSea (est) = -2.0 eu.; B
0.71 ± 0.10TDEqChowdhury, Heinis, et al., 1986ΔGea= -16.1 kcal/mol; ΔSea estimated = -1.1 eu.; B
0.707 ± 0.087IMREHuh, Kang, et al., 1999ΔG(EA) 343K; anchored to ΔG value. Including anchor ΔS, EA is ca. 0.4 kcal/mol more bound.; B
0.776 ± 0.048IMREFukuda and McIver, 1985ΔGea(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
8.8PEKobayashi and Nagakura, 1974LLK
9.01PEKobayashi and Nagakura, 1974Vertical value; LLK

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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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

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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

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