Nitromethane anion
- Formula: CH3NO2-
- Molecular weight: 61.0406
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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 by: John E. Bartmess
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Clustering reactions
CH3NO2- + = (CH3NO2- •
)
By formula: CH3NO2- + CH3NO2 = (CH3NO2- • CH3NO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 63.60 ± 0.84 | kJ/mol | N/A | Compton, Carman Jr., et al., 1996 | gas phase; Shift in electron detachment from non-solvated ion |
(CH3NO2- • ) +
= (CH3NO2- • 2
)
By formula: (CH3NO2- • CH3NO2) + CH3NO2 = (CH3NO2- • 2CH3NO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 50. ± 150. | kJ/mol | N/A | Compton, Carman Jr., et al., 1996 | gas phase; shift in electron detachment from less solvated ion |
| ΔrH° | 53.6 ± 1.3 | kJ/mol | TDAs | Wincel, 2003 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 24.7 | kJ/mol | TDAs | Wincel, 2003 | gas phase |
References
Go To: Top, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Compton, Carman Jr., et al., 1996
Compton, R.N.; Carman Jr.; Desfrancois, C.; Abdoul-Carmine, H.; Schermann, J.P.; Hendricks, J.H.,
On the binding of Electrons to Nitromethane: Dipole and Valence Bound Anions,
J. Chem. Phys., 1996, 105, 9, 3472, https://doi.org/10.1063/1.472993
. [all data]
Wincel, 2003
Wincel, H.,
Gas-phase Solvation of Cl-, NO2-, CH2NO2-, CH3NO2-, and CH3NO4- by CH3NO2,
Int. J. Mass Spectrom., 2003, 226, 3, 341-353, https://doi.org/10.1016/S1387-3806(03)00066-6
. [all data]
Notes
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- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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