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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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: 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.70 ± 0.30 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983 | 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 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.10 ± 0.50 | kcal/mol | TDAs | Wlodek, Luczynski, et al., 1983 | 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, 2 | 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, 2 | 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, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | HPMS | Wlodek, Luczynski, et al., 1983, 2 | 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, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wincel, 2003
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Gas - Phase Solvation of NO2- and NO3- by Ethyl Nitrate,
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Laboratory investigations of negative ion molecule reactions of propionic, butyric, glyoxylic, pyruvic, and pinonic acids,
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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.,
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The properties of clusters in the gas phase. IV. Complexes of H2O and HNOx clustering on NOx-,
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Notes
Go To: Top, 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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