Nitrogen oxide anion
- Formula: NO2-
- Molecular weight: 46.0060
- IUPAC Standard InChIKey: IOVCWXUNBOPUCH-UHFFFAOYSA-M
- CAS Registry Number: 14797-65-0
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Ion clustering data, 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:
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: NO2- + H2O = (NO2- • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16. ± 4. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.3 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
ΔrS° | 20.0 | cal/mol*K | FA | Bohringer, Fahey, et al., 1984 | gas phase; switching reaction(NO2-)H2O; Lee, Keesee, et al., 1980; M |
ΔrS° | 23.8 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
ΔrS° | 21. | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.50 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
ΔrG° | 8.50 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M |
ΔrG° | 8.1 ± 5.8 | kcal/mol | Endo | Paulson and Dale, 1982 | gas phase; B |
ΔrG° | 8.10 ± 0.20 | kcal/mol | TDAs | Lee, Keesee, et al., 1980 | gas phase; B |
ΔrG° | 8.00 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.0 | 296. | FA | Fehsenfeld and Ferguson, 1974 | gas phase; M |
8.4 | 300. | SAMS | Payzant, Cunningham, et al., 1972 | gas phase; M |
By formula: (NO2- • H2O) + H2O = (NO2- • 2H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.0 ± 1.5 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B |
ΔrH° | 12.9 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B,M |
ΔrH° | 12.9 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrH° | 13.6 | kcal/mol | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.4 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
ΔrS° | 23.7 | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.00 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M |
ΔrG° | 5.8 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |
ΔrG° | 5.80 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrG° | 6.1 ± 2.0 | kcal/mol | TDAs | Kebarle, Arshadi, et al., 1968 | gas phase; B,M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.9 | 296. | FA | Fehsenfeld and Ferguson, 1974 | gas phase; M |
5.8 | 300. | SAMS | Payzant, Cunningham, et al., 1972 | gas phase; M |
By formula: (NO2- • 2H2O) + H2O = (NO2- • 3H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.5 ± 1.5 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B |
ΔrH° | 10.4 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B,M |
ΔrH° | 10.4 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrH° | 11.7 | kcal/mol | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.8 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
ΔrS° | 21.2 | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.50 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M |
ΔrG° | 4.0 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |
ΔrG° | 4.10 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrG° | 4.5 ± 2.0 | kcal/mol | TDAs | Kebarle, Arshadi, et al., 1968 | gas phase; B,M |
By formula: NO2- + O2S = (NO2- • O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.90 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
ΔrH° | 24.3 ± 1.0 | kcal/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..NO2-, Keesee, Lee, et al., 1980; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 36.8 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
ΔrS° | 31.6 | cal/mol*K | N/A | Bohringer, Fahey, et al., 1984 | gas phase; switching reaction(NO2-)H2O, Entropy change calculated or estimated; Lee, Keesee, et al., 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.90 ± 0.30 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: NO2- + CO2 = (NO2- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.30 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
ΔrH° | 9.30 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
ΔrS° | 24.2 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.1 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
ΔrG° | 2.00 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: NO2- + C2H6OS = (NO2- • C2H6OS)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.2 ± 1.0 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Sieck, 1985 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.7 ± 1.0 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.7 | 420. | PHPMS | Sieck, 1985 | gas phase; Entropy change calculated or estimated; M |
By formula: (NO2- • O2S) + O2S = (NO2- • 2O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.00 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
ΔrH° | 9.8 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; M |
ΔrS° | 16.8 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.00 ± 0.40 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: NO2- + CH3NO2 = (NO2- • CH3NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.50 ± 0.50 | kcal/mol | TDAs | Wincel, 2003 | gas phase; B |
ΔrH° | 14.30 ± 0.10 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 15.5 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.80 | kcal/mol | TDAs | Wincel, 2003 | gas phase; B |
ΔrG° | 9.70 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
By formula: (NO2- • 4294967295NO2) + NO2 = NO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 107.31 ± 0.30 | kcal/mol | N/A | Davidson, Fehsenfeld, et al., 1977 | gas phase; Relative to HBr, reevaluated with current HBr acidity. Excited state at 3.0 eV,81WU /TIE.; B |
ΔrH° | <46.10 | kcal/mol | PDis | Smith, Lee, et al., 1979 | gas phase; Isomer: O4- + NO ->.; B |
ΔrH° | 66.0 ± 5.0 | kcal/mol | PDis | Smith, Lee, et al., 1978 | gas phase; B |
By formula: (NO2- • 2O2S) + O2S = (NO2- • 3O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.60 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 13.4 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.60 ± 0.80 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: NO2- + H2O2 = (NO2- • H2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.2 ± 1.0 | kcal/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..NO2-, Keesee, Lee, et al., 1980; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.3 ± 1.0 | kcal/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..NO2-, Keesee, Lee, et al., 1980; B |
By formula: (NO2- • 2CO2) + CO2 = (NO2- • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 3CO2) + CO2 = (NO2- • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.9 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 4CO2) + CO2 = (NO2- • 5CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 5CO2) + CO2 = (NO2- • 6CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.9 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.1 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 6CO2) + CO2 = (NO2- • 7CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.4 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 7CO2) + CO2 = (NO2- • 8CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • CO2) + CO2 = (NO2- • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: NO2- + C2H5NO3 = (NO2- • C2H5NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.9 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; switching reaction(NO2-)SO2; Keesee, Lee, et al., 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 35.3 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; switching reaction(NO2-)SO2; Keesee, Lee, et al., 1980; M |
By formula: NO2- + C7H3N3O4 = (NO2- • C7H3N3O4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.5 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.7 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 16.4 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C7H4N2O2 = (NO2- • C7H4N2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.0 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.0 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.0 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C7H4N2O2 = (NO2- • C7H4N2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18.8 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.4 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
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 |
By formula: NO2- + C6H4N2O4 = (NO2- • C6H4N2O4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.2 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.6 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.4 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C6H5NO2 = (NO2- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.2 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.5 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.9 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C4H10O = (NO2- • C4H10O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.60 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.5 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.80 ± 0.30 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
By formula: NO2- + CH4O = (NO2- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.40 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.8 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.70 ± 0.40 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
By formula: NO2- + C3H6O = (NO2- • C3H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.90 ± 0.10 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.9 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.20 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
By formula: NO2- + C2H3N = (NO2- • C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.40 ± 0.10 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 15.3 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.80 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
By formula: NO2- + H2Se = (NO2- • H2Se)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.9 ± 1.0 | kcal/mol | TDEq | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Equilibration with SO2..NO2-; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.3 ± 3.5 | kcal/mol | TDEq | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Equilibration with SO2..NO2-; B |
By formula: (NO2- • O2S) + C2H5NO3 = (NO2- • C2H5NO3 • O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.4 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 10.4 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; Entropy change is questionable; M |
By formula: (NO2- • 2C2H5NO3) + C2H5NO3 = (NO2- • 3C2H5NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.3 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14.1 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
By formula: (NO2- • C2H5NO3) + C2H5NO3 = (NO2- • 2C2H5NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.5 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.8 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
By formula: (NO2- • 2H2Se) + H2Se = (NO2- • 3H2Se)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.30 ± 0.70 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.10 ± 0.50 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
By formula: (NO2- • H2Se) + H2Se = (NO2- • 2H2Se)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.50 ± 0.50 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.70 ± 0.30 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
By formula: (NO2- • 3H2O) + H2O = (NO2- • 4H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.6 | kcal/mol | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.0 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
By formula: NO2- + C7H7NO3 = (NO2- • C7H7NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.5 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.6 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 340.23 ± 0.21 | kcal/mol | D-EA | Ervin, Ho, et al., 1988 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 333.73 ± 0.31 | kcal/mol | H-TS | Ervin, Ho, et al., 1988 | gas phase; B |
+ = C2H5N2O4-
By formula: NO2- + C2H5NO2 = C2H5N2O4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.80 ± 0.50 | kcal/mol | TDAs | Wincel, 2004 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.90 | kcal/mol | TDAs | Wincel, 2004 | gas phase; B |
By formula: NO2- + C7H7NO3 = (NO2- • C7H7NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.5 | kcal/mol | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.3 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
By formula: NO2- + HNO2 = (NO2- • HNO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.5 ± 1.0 | kcal/mol | TDAs | Lee, Keesee, et al., 1980 | gas phase; B |
+ = C4H8NO4-
By formula: NO2- + C4H8O2 = C4H8NO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 13.30 ± 0.20 | kcal/mol | IMRE | Viidanoja, Reiner, et al., 2000 | gas phase; B |
+ = C3H6NO4-
By formula: NO2- + C3H6O2 = C3H6NO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 12.50 ± 0.20 | kcal/mol | IMRE | Viidanoja, Reiner, et al., 2000 | gas phase; B |
+ = C2H4NO4-
By formula: NO2- + C2H4O2 = C2H4NO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 12.20 ± 0.20 | kcal/mol | IMRE | Viidanoja, Reiner, et al., 1998 | gas phase; B |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Ion clustering data, References, Notes
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
Protonation reactions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 340.23 ± 0.21 | kcal/mol | D-EA | Ervin, Ho, et al., 1988 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 333.73 ± 0.31 | kcal/mol | H-TS | Ervin, Ho, et al., 1988 | gas phase |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, 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:
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: NO2- + CH3NO2 = (NO2- • CH3NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.50 ± 0.50 | kcal/mol | TDAs | Wincel, 2003 | gas phase; B |
ΔrH° | 14.30 ± 0.10 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 15.5 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 7.80 | kcal/mol | TDAs | Wincel, 2003 | gas phase; B |
ΔrG° | 9.70 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
By formula: NO2- + CH4O = (NO2- • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.40 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.8 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.70 ± 0.40 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
By formula: NO2- + CO2 = (NO2- • CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.30 ± 0.20 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
ΔrH° | 9.30 ± 0.10 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.2 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
ΔrS° | 24.2 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.1 ± 2.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
ΔrG° | 2.00 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: (NO2- • CO2) + CO2 = (NO2- • 2CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.0 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 2CO2) + CO2 = (NO2- • 3CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 3CO2) + CO2 = (NO2- • 4CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.9 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.7 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 4CO2) + CO2 = (NO2- • 5CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.3 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.8 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 5CO2) + CO2 = (NO2- • 6CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.9 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.1 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.0 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 6CO2) + CO2 = (NO2- • 7CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.4 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.1 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: (NO2- • 7CO2) + CO2 = (NO2- • 8CO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.2 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.7 | cal/mol*K | PHPMS | Hiraoka and Yamabe, 1992 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -2.3 ± 1.0 | kcal/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase; B |
By formula: NO2- + C2H3N = (NO2- • C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.40 ± 0.10 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 15.3 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.80 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
+ = C2H4NO4-
By formula: NO2- + C2H4O2 = C2H4NO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 12.20 ± 0.20 | kcal/mol | IMRE | Viidanoja, Reiner, et al., 1998 | gas phase; B |
+ = C2H5N2O4-
By formula: NO2- + C2H5NO2 = C2H5N2O4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.80 ± 0.50 | kcal/mol | TDAs | Wincel, 2004 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.90 | kcal/mol | TDAs | Wincel, 2004 | gas phase; B |
By formula: NO2- + C2H5NO3 = (NO2- • C2H5NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.9 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; switching reaction(NO2-)SO2; Keesee, Lee, et al., 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 35.3 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; switching reaction(NO2-)SO2; Keesee, Lee, et al., 1980; M |
By formula: (NO2- • C2H5NO3) + C2H5NO3 = (NO2- • 2C2H5NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.5 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.8 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
By formula: (NO2- • 2C2H5NO3) + C2H5NO3 = (NO2- • 3C2H5NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.3 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14.1 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Entropy change is questionable; M |
By formula: NO2- + C2H6OS = (NO2- • C2H6OS)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.2 ± 1.0 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | N/A | Sieck, 1985 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.7 ± 1.0 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.7 | 420. | PHPMS | Sieck, 1985 | gas phase; Entropy change calculated or estimated; M |
By formula: NO2- + C3H6O = (NO2- • C3H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.90 ± 0.10 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.9 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.20 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
+ = C3H6NO4-
By formula: NO2- + C3H6O2 = C3H6NO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 12.50 ± 0.20 | kcal/mol | IMRE | Viidanoja, Reiner, et al., 2000 | gas phase; B |
+ = C4H8NO4-
By formula: NO2- + C4H8O2 = C4H8NO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 13.30 ± 0.20 | kcal/mol | IMRE | Viidanoja, Reiner, et al., 2000 | gas phase; B |
By formula: NO2- + C4H10O = (NO2- • C4H10O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.60 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.5 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.80 ± 0.30 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
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 |
By formula: NO2- + C6H4N2O4 = (NO2- • C6H4N2O4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.2 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.6 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.4 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C6H5NO2 = (NO2- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.2 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.5 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.9 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C7H3N3O4 = (NO2- • C7H3N3O4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.5 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.7 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 16.4 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C7H4N2O2 = (NO2- • C7H4N2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.0 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.0 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.0 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C7H4N2O2 = (NO2- • C7H4N2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18.8 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.4 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C7H7NO3 = (NO2- • C7H7NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.5 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 12.6 ± 2.0 | kcal/mol | TDAs | Grimsrud, Chowdhury, et al., 1986 | gas phase; B |
By formula: NO2- + C7H7NO3 = (NO2- • C7H7NO3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.5 | kcal/mol | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.3 | cal/mol*K | PHPMS | Grimsrud, Chowdhury, et al., 1986 | gas phase; M |
By formula: NO2- + HNO2 = (NO2- • HNO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.5 ± 1.0 | kcal/mol | TDAs | Lee, Keesee, et al., 1980 | gas phase; B |
By formula: NO2- + H2O = (NO2- • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16. ± 4. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.3 | cal/mol*K | PHPMS | Sieck, 1985 | gas phase; M |
ΔrS° | 20.0 | cal/mol*K | FA | Bohringer, Fahey, et al., 1984 | gas phase; switching reaction(NO2-)H2O; Lee, Keesee, et al., 1980; M |
ΔrS° | 23.8 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
ΔrS° | 21. | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.50 ± 0.20 | kcal/mol | TDAs | Sieck, 1985 | gas phase; B |
ΔrG° | 8.50 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M |
ΔrG° | 8.1 ± 5.8 | kcal/mol | Endo | Paulson and Dale, 1982 | gas phase; B |
ΔrG° | 8.10 ± 0.20 | kcal/mol | TDAs | Lee, Keesee, et al., 1980 | gas phase; B |
ΔrG° | 8.00 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.0 | 296. | FA | Fehsenfeld and Ferguson, 1974 | gas phase; M |
8.4 | 300. | SAMS | Payzant, Cunningham, et al., 1972 | gas phase; M |
By formula: (NO2- • H2O) + H2O = (NO2- • 2H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.0 ± 1.5 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B |
ΔrH° | 12.9 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B,M |
ΔrH° | 12.9 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrH° | 13.6 | kcal/mol | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.4 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
ΔrS° | 23.7 | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.00 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M |
ΔrG° | 5.8 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |
ΔrG° | 5.80 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrG° | 6.1 ± 2.0 | kcal/mol | TDAs | Kebarle, Arshadi, et al., 1968 | gas phase; B,M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.9 | 296. | FA | Fehsenfeld and Ferguson, 1974 | gas phase; M |
5.8 | 300. | SAMS | Payzant, Cunningham, et al., 1972 | gas phase; M |
By formula: (NO2- • 2H2O) + H2O = (NO2- • 3H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.5 ± 1.5 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B |
ΔrH° | 10.4 ± 1.0 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B,M |
ΔrH° | 10.4 ± 1.0 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrH° | 11.7 | kcal/mol | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.8 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
ΔrS° | 21.2 | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.50 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M |
ΔrG° | 4.0 ± 1.4 | kcal/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |
ΔrG° | 4.10 | kcal/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B |
ΔrG° | 4.5 ± 2.0 | kcal/mol | TDAs | Kebarle, Arshadi, et al., 1968 | gas phase; B,M |
By formula: (NO2- • 3H2O) + H2O = (NO2- • 4H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.6 | kcal/mol | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.0 | cal/mol*K | HPMS | Lee, Keesee, et al., 1980 | gas phase; M |
By formula: NO2- + H2O2 = (NO2- • H2O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.2 ± 1.0 | kcal/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..NO2-, Keesee, Lee, et al., 1980; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.3 ± 1.0 | kcal/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..NO2-, Keesee, Lee, et al., 1980; B |
By formula: NO2- + H2Se = (NO2- • H2Se)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.9 ± 1.0 | kcal/mol | TDEq | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Equilibration with SO2..NO2-; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.3 ± 3.5 | kcal/mol | TDEq | Wlodek, Luczynski, et al., 1983, 2 | gas phase; Equilibration with SO2..NO2-; B |
By formula: (NO2- • H2Se) + H2Se = (NO2- • 2H2Se)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.50 ± 0.50 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.70 ± 0.30 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
By formula: (NO2- • 2H2Se) + H2Se = (NO2- • 3H2Se)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.30 ± 0.70 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.10 ± 0.50 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983, 2 | gas phase; B |
By formula: (NO2- • 4294967295NO2) + NO2 = NO2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 107.31 ± 0.30 | kcal/mol | N/A | Davidson, Fehsenfeld, et al., 1977 | gas phase; Relative to HBr, reevaluated with current HBr acidity. Excited state at 3.0 eV,81WU /TIE.; B |
ΔrH° | <46.10 | kcal/mol | PDis | Smith, Lee, et al., 1979 | gas phase; Isomer: O4- + NO ->.; B |
ΔrH° | 66.0 ± 5.0 | kcal/mol | PDis | Smith, Lee, et al., 1978 | gas phase; B |
By formula: NO2- + O2S = (NO2- • O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.90 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
ΔrH° | 24.3 ± 1.0 | kcal/mol | TDEq | Bohringer, Fahey, et al., 1984 | gas phase; Relative to HOH..NO2-, Keesee, Lee, et al., 1980; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 36.8 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
ΔrS° | 31.6 | cal/mol*K | N/A | Bohringer, Fahey, et al., 1984 | gas phase; switching reaction(NO2-)H2O, Entropy change calculated or estimated; Lee, Keesee, et al., 1980; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 14.90 ± 0.30 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: (NO2- • O2S) + C2H5NO3 = (NO2- • C2H5NO3 • O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.4 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 10.4 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; Entropy change is questionable; M |
By formula: (NO2- • O2S) + O2S = (NO2- • 2O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.00 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
ΔrH° | 9.8 | kcal/mol | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983 | gas phase; M |
ΔrS° | 16.8 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.00 ± 0.40 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
By formula: (NO2- • 2O2S) + O2S = (NO2- • 3O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.60 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 13.4 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.60 ± 0.80 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
References
Go To: Top, 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.
Sieck, 1985
Sieck, L.W.,
Thermochemistry of Solvation of NO2- and C6H5NO2- by Polar Molecules in the Vapor Phase. Comparison with Cl- and Variation with Ligand Structure.,
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Bohringer, Fahey, et al., 1984
Bohringer, H.; Fahey, D.W.; Fehsenfeld, F.C.; Ferguson, E.E.,
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Lee, Keesee, et al., 1980
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Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P.,
Hydration of CN-, NO2-, NO3-, and HO- in the gas phase,
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Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P.,
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Paulson and Dale, 1982
Paulson, J.F.; Dale, J.,
Reactions of OH-.H2O with NO2,
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Fehsenfeld and Ferguson, 1974
Fehsenfeld, F.C.; Ferguson, E.E.,
Laboratory studies of negative ion reactions with atmospheric trace constituents,
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Payzant, Cunningham, et al., 1972
Payzant, J.D.; Cunningham, A.J.; Kebarle, P.,
Kinetics and Rate Constants of Reactions Leading to Hydration of NO2- and NO3- in Gaseous Oxygen, Argon, and Helium Containing Traces of Water,
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Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P.,
Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions,
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Kebarle, Arshadi, et al., 1968
Kebarle, P.; Arshadi, M.; Scarborough, J.,
Hydration of Negative Ions in the Gas Phase,
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Hiraoka and Yamabe, 1992
Hiraoka, K.; Yamabe, S.,
Formation of the Chelate Bonds in the Cluster O2(-)(CO2)n, CO3(-)(CO2)n, and NO2(-)(CO2)n,
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Wlodek, Luczynski, et al., 1983
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Gas phase complexes of NO2- and NO3- with SO2,
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Gas-phase Solvation of Cl-, NO2-, CH2NO2-, CH3NO2-, and CH3NO4- by CH3NO2,
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Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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
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