Benzene, 1-fluoro-4-nitro-
- Formula: C6H4FNO2
- Molecular weight: 141.0999
- IUPAC Standard InChI: InChI=1S/C6H4FNO2/c7-5-1-3-6(4-2-5)8(9)10/h1-4H
- IUPAC Standard InChIKey: WFQDTOYDVUWQMS-UHFFFAOYSA-N
- CAS Registry Number: 350-46-9
- 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: p-Fluoronitrobenzene; p-Nitrofluorobenzene; 1-Fluoro-4-nitrobenzene; 1-Nitro-4-fluorobenzene; 1,4-Fluoronitrobenzene; 4-Fluoronitrobenzene; 4-Nitrofluorobenzene
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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 |
|---|---|---|---|---|---|
| ΔcH°solid | -702.95 | kcal/mol | Ccb | Swarts, 1919 | Not corrected for CODATA value of ΔfH |
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 by: Robert L. Brown and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 478.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | |
| Tboil | 478. | K | N/A | PCR Inc., 1990 |
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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
+
= (
•
)
By formula: Br- + C6H4FNO2 = (Br- • C6H4FNO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 15.8 ± 1.8 | kcal/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° | 22. | cal/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 6.4 ± 1.0 | kcal/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° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 6.4 | 423. | PHPMS | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
+
= (
•
)
By formula: NO2- + C6H4FNO2 = (NO2- • C6H4FNO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 15.0 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.6 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 9.1 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.12 ± 0.10 | IMRE | Chowdhury, Heinis, et al., 1986 | ΔGea(423 K) = -25.0 kcal/mol; ΔSea (estimated) = -2.0 eu.; B |
| 1.080 ± 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 |
| 1.101 ± 0.048 | IMRE | Fukuda and McIver, 1985 | ΔGea(355 K) = -24.7 kcal/mol; ΔSea =-2.0, est. from data in Chowdhury, Heinis, et al., 1986; B |
| <1.150 ± 0.050 | PD | Mock and Grimsrud, 1989 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.90 | PE | Palmer, Moyes, et al., 1979 | LLK |
| 10.0 ± 0.1 | EI | Brown, 1970 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C6H4F+ | 12.4 ± 0.1 | NO2 | EI | Brown, 1970 | RDSH |
| C6H4OF+ | 10.6 ± 0.1 | NO | EI | Brown, 1970 | RDSH |
Ion clustering 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+
= (
•
)
By formula: Br- + C6H4FNO2 = (Br- • C6H4FNO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 15.8 ± 1.8 | kcal/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° | 22. | cal/mol*K | N/A | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 6.4 ± 1.0 | kcal/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° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 6.4 | 423. | PHPMS | Paul and Kebarle, 1991 | gas phase; Entropy change calculated or estimated; M |
+
= (
•
)
By formula: NO2- + C6H4FNO2 = (NO2- • C6H4FNO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 15.0 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.6 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 9.1 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Swarts, 1919
Swarts, F.,
Etudes thermochimiques sur les combinaisons organiques fluorees,
J. Chim. Phys., 1919, 17, 3-70. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
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]
Grimsrud, Chowdhury, et al., 1986
Grimsrud, E.P.; Chowdhury, S.; Kebarle, P.,
Gas Phase Reactions of NO2- with Nitrobenzenes and Quinones. Electron Transfer, Clusters, and Formation of Phenoxide and Quinoxide Negative Ions. Use of NO2 as a NICI Reagent Gas.,
Int. J. Mass Spectrom. Ion Proc., 1986, 68, 1-2, 57, https://doi.org/10.1016/0168-1176(86)87068-9
. [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]
Mock and Grimsrud, 1989
Mock, R.S.; Grimsrud, E.P.,
Gas-Phase Electron Photodetachment Spectroscopy of the Molecular Anions of Nitroaromatic Hydrocarbons at Atmospheric Pressure,
J. Am. Chem. Soc., 1989, 111, 8, 2861, https://doi.org/10.1021/ja00190a020
. [all data]
Palmer, Moyes, et al., 1979
Palmer, M.H.; Moyes, W.; Spiers, M.; Ridyard, J.N.A.,
The electronic structure of substituted benzenes; ab initio calculations and photoelectron spectra for nitrobenzene, the nitrotoluenes, dinitrobenzenes and fluoronitrobenzenes,
J. Mol. Struct., 1979, 55, 243. [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, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity T Temperature Tboil Boiling point ΔcH°solid Enthalpy of combustion of solid at standard conditions 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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