Benzene, 1,4-dinitro- anion
- Formula: C6H4N2O4-
- Molecular weight: 168.1075
- CAS Registry Number: 34505-33-4
- Information on this page:
- Other data available:
- Options:
Reaction thermochemistry data
Go To: Top, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
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
C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)
By formula: C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 36. | kJ/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 84. | J/mol*K | N/A | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
Free energy of reaction
| ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 7.9 | 334. | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
C6H4N2O4- + = (C6H4N2O4- •
)
By formula: C6H4N2O4- + CH4O = (C6H4N2O4- • CH4O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 9.6 ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
| ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.6 | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
C6H4N2O4- + = (C6H4N2O4- •
)
By formula: C6H4N2O4- + C2H6OS = (C6H4N2O4- • C2H6OS)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 18. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
| ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 18. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
C6H4N2O4- + = (C6H4N2O4- •
)
By formula: C6H4N2O4- + C3H7NO = (C6H4N2O4- • C3H7NO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 10. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
| ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 10. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
C6H4N2O4- + = (C6H4N2O4- •
)
By formula: C6H4N2O4- + C2H3N = (C6H4N2O4- • C2H3N)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 13. ± 6.7 | kJ/mol | IMRE | Chowdhury, Grimsrud, et al., 1987 | gas phase; Free energy affinity at 70°C.; B |
Free energy of reaction
| ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 13. | 343. | PHPMS | Chowdhury, 1987 | gas phase; M |
C6H4N2O4- + = C6H4F4N2O4Si-
By formula: C6H4N2O4- + F4Si = C6H4F4N2O4Si-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 87.9 ± 4.2 | kJ/mol | TDAs | Williamson, Knighton, et al., 2001 | gas phase; at 150 C; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 17.6 ± 2.5 | kJ/mol | TDAs | Williamson, Knighton, et al., 2001 | gas phase; at 150 C; B |
C6H4N2O4- + = (C6H4N2O4- •
)
By formula: C6H4N2O4- + F6S = (C6H4N2O4- • F6S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | <35.6 | kJ/mol | IMRB | Chowdhury and Kebarle, 1986 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | <7.95 | kJ/mol | IMRB | Chowdhury and Kebarle, 1986 | gas phase; B |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Role of Binding Energies in A-.B and A.B- Complexes in the Kinetics of Gas Phase Electron Transfer Reactions:A- + B = A + B- Involving Perfluoro Compounds: SF6, C6F11CF3,
J. Chem. Phys., 1986, 85, 9, 4989, https://doi.org/10.1063/1.451687
. [all data]
Chowdhury, Grimsrud, et al., 1987
Chowdhury, S.; Grimsrud, E.P.; Kebarle, P.,
Bonding of Charged Delocalized Anions to Protic and Dipolar Aprotic Solvent Molecules,
J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021
. [all data]
Chowdhury, 1987
Chowdhury, S. Grimsrud,
Bonding of Charge Delocalized Anions to Protic and Dipolar Aprotic Solvents,
J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021
. [all data]
Williamson, Knighton, et al., 2001
Williamson, D.H.; Knighton, W.B.; Grimsrud, E.P.,
Lewis acid-base interactions of SiF4 with molecular anions formed by electron capture reactions,
Int. J. Mass Spectrom., 2001, 206, 1-2, 53-61, https://doi.org/10.1016/S1387-3806(00)00388-2
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.