Nitrous oxide
- Formula: N2O
- Molecular weight: 44.0128
- IUPAC Standard InChI: InChI=1S/N2O/c1-2-3
- IUPAC Standard InChIKey: GQPLMRYTRLFLPF-UHFFFAOYSA-N
- CAS Registry Number: 10024-97-2
- 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: Nitrogen oxide (N2O); Dinitrogen monoxide; Dinitrogen oxide; Laughing gas; N2O; Factitious air; Hyponitrous acid anhydride; Nitrogen oxide; UN 1070; UN 2201; Nitrogen monoxide; Nitral
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Gas phase thermochemistry data
- Phase change data
- Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 83
- Henry's Law data
- IR Spectrum
- Fluid Properties
- Data at other public NIST sites:
- Options:
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Gas phase ion energetics data
Go To: Top, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
B - John E. Bartmess
View reactions leading to N2O+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 12.889 ± 0.004 | eV | N/A | N/A | L |
| Quantity | Value | Units | Method | Reference | Comment |
| Proton affinity (review) | 131.4 | kcal/mol | N/A | Hunter and Lias, 1998 | at N; HL |
| Proton affinity (review) | 137.5 | kcal/mol | N/A | Hunter and Lias, 1998 | at O; HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 125.1 | kcal/mol | N/A | Hunter and Lias, 1998 | at N; HL |
| Gas basicity | 131.1 | kcal/mol | N/A | Hunter and Lias, 1998 | at O; HL |
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.22 ± 0.10 | CIDT | Tiernan and Wu, 1978 | B |
| >-0.15 ± 0.10 | NBIE | Nalley, Compton, et al., 1973 | B |
| 0.27 ± 0.17 | ECD | Wentworth, Chen, et al., 1971 | B |
| <0.76 ± 0.10 | LPES | Coe, Snodgrass, et al., 1986 | Vertical Detachment Energy: ca. 1.5 eV. Anion bent, with little Franck-Condon overlap; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 12.89 | PE | Kimura, Katsumata, et al., 1981 | LLK |
| 12. ± 1. | PI | Hitchcock, Brion, et al., 1980 | LLK |
| 12.91 ± 0.03 | EI | Sahini, Constantin, et al., 1978 | LLK |
| 12.886 ± 0.002 | PE | Berkowitz and Eland, 1977 | LLK |
| 12.88 ± 0.005 | PI | Coppens, Smets, et al., 1974 | LLK |
| 12.89 ± 0.005 | PI | Coppens, Smets, et al., 1974 | LLK |
| 12.90 | PE | Eland, 1973 | LLK |
| 12.891 ± 0.008 | PE | Collin and Natalis, 1969 | RDSH |
| 12.893 ± 0.005 | PE | Brundle and Turner, 1969 | RDSH |
| 12.89 | PI | Cook, Metzger, et al., 1968 | RDSH |
| 12.888 ± 0.007 | PI | Dibeler and Walker, 1967 | RDSH |
| 12.8 ± 0.05 | EI | Carette, 1967 | RDSH |
| 12.882 ± 0.008 | PI | Nicholson, 1965 | RDSH |
| 12.894 | S | Tanaka, Jursa, et al., 1960 | RDSH |
| 12.89 | PE | Potts and Williams, 1974 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| N+ | 20. ± 1. | NO | PI | Hitchcock, Brion, et al., 1980 | LLK |
| N+ | 19.494 | NO | PE | Berkowitz and Eland, 1977 | LLK |
| N+ | 20.06 | NO | PE | Dibeler, Walker, et al., 1967 | RDSH |
| NO+ | 15.3 ± 0.1 | N | EI | Olivier, Locht, et al., 1982 | LBLHLM |
| NO+ | 16. ± 1. | N | PI | Hitchcock, Brion, et al., 1980 | LLK |
| NO+ | 16.53 ± 0.01 | N | PI | Coppens, Smets, et al., 1974 | LLK |
| NO+ | 15.01 | N | PI | Coppens, Smets, et al., 1974 | LLK |
| NO+ | 17.73 ± 0.01 | N | PI | Coppens, Smets, et al., 1974 | LLK |
| NO+ | 14.3 ± 0.3 | N(4Sø) | EI | Coleman, Delderfield, et al., 1969 | RDSH |
| NO+ | 17.74 | N(2Pø)? | PI | Dibeler and Walker, 1967 | RDSH |
| NO+ | 16.53 | N(2Dø)? | PI | Dibeler and Walker, 1967 | RDSH |
| NO+ | 15.01 | N(4Sø) | PI | Dibeler and Walker, 1967 | RDSH |
| NO+ | 13.75 ± 0.10 | N(4Sø) | EI | Curran and Fox, 1961 | RDSH |
| N2+ | 17.3 ± 0.2 | O | EI | Olivier, Locht, et al., 1982 | LBLHLM |
| N2+ | 18. ± 1. | O | PI | Hitchcock, Brion, et al., 1980 | LLK |
| N2+ | 17.29 | O | PI | Dibeler, 1967 | RDSH |
| O+ | 15. ± 1. | N2 | PI | Hitchcock, Brion, et al., 1980 | LLK |
| O+ | 15.31 | N2 | PI | Dibeler, Walker, et al., 1967 | RDSH |
Ion clustering data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+
= (
•
)
By formula: Br- + N2O = (Br- • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.6 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.1 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (Br- • N2O) + N2O = (Br- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.4 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.8 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (Br- • 2N2O) + N2O = (Br- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22.9 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
+
= (
•
)
By formula: CH3+ + N2O = (CH3+ • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 52.9 | kcal/mol | PHPMS | McMahon, Heinis, et al., 1988 | gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 48.3 kcal/mol; Foster, Williamson, et al., 1974; M |
+
= (
•
)
By formula: Cl- + N2O = (Cl- • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.8 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.2 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (Cl- • N2O) + N2O = (Cl- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.6 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.5 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (Cl- • 2N2O) + N2O = (Cl- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.1 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.0 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 3
) +
= (
• 4
)
By formula: (Cl- • 3N2O) + N2O = (Cl- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.9 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 4
) +
= (
• 5
)
By formula: (Cl- • 4N2O) + N2O = (Cl- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.8 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | N/A | Hiraoka, Aruga, et al., 1993 | gas phase; Entropy change calculated or estimated; M |
+
= (
•
)
By formula: F- + N2O = (F- • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 9.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23.9 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (F- • N2O) + N2O = (F- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 9.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22.7 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (F- • 2N2O) + N2O = (F- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.4 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23.6 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 3
) +
= (
• 4
)
By formula: (F- • 3N2O) + N2O = (F- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.4 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24.4 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 4
) +
= (
• 5
)
By formula: (F- • 4N2O) + N2O = (F- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.3 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25.5 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 5
) +
= (
• 6
)
By formula: (F- • 5N2O) + N2O = (F- • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25.8 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 6
) +
= (
• 7
)
By formula: (F- • 6N2O) + N2O = (F- • 7N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | N/A | Hiraoka, Aruga, et al., 1993 | gas phase; Entropy change calculated or estimated; M |
By formula: (H- • 4294967295N2O) + N2O = H-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 59.3 ± 4.1 | kcal/mol | Ther | Sheldon, Ohair, et al., 1995 | gas phase; Acidity between PhCOMe, HCONHMe, near CF3CH2OH. Acid: H2N-NO; B |
By formula: HN2O+ + N2O = (HN2O+ • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 16.7 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrH° | 20.6 | kcal/mol | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrS° | 31.5 | cal/mol*K | PHPMS | Szulejko and McMahon, 1992 | gas phase; M |
By formula: (HN2O+ • N2O) + N2O = (HN2O+ • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.4 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (HN2O+ • 2N2O) + N2O = (HN2O+ • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.8 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (HN2O+ • 3N2O) + N2O = (HN2O+ • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.4 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 29. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (HN2O+ • 4N2O) + N2O = (HN2O+ • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.0 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 30. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (HN2O+ • 5N2O) + N2O = (HN2O+ • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.8 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 30. | cal/mol*K | N/A | Hiraoka, Fujimaki, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
By formula: (HO- • N2O) + N2O = (HO- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.80 | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 2.485 eV. Affinity is EA difference with next lower +0.08 eV f; B |
By formula: (HO- • 2N2O) + N2O = (HO- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.90 | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 2.761 eV. Affinity is EA difference with next lower +0.08 eV f; B |
By formula: (HO- • 3N2O) + N2O = (HO- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >7. ± 33. | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 2.981 eV. Affinity is EA difference with next lower +0.08 eV f; B |
By formula: (HO- • 4N2O) + N2O = (HO- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >5. ± 54. | kcal/mol | N/A | Kim, Wenthold, et al., 1998 | gas phase; Vertical Detachment Energy: 3.146 eV. Affinity is EA difference with next lower +0.08 eV f; B |
+
= (
•
)
By formula: H3O+ + N2O = (H3O+ • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 16.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 27. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (H3O+ • N2O) + N2O = (H3O+ • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 12.1 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (H3O+ • 2N2O) + N2O = (H3O+ • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 10.2 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 26. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( • 3
) +
= (
• 4
)
By formula: (H3O+ • 3N2O) + N2O = (H3O+ • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.2 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21. | cal/mol*K | N/A | Hiraoka, Fujimaki, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
+
= (
•
)
By formula: I- + N2O = (I- • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.7 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
| ΔrH° | 3.8 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 14.1 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (I- • N2O) + N2O = (I- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.9 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
| ΔrH° | 3.3 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 14.2 | cal/mol*K | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (I- • 2N2O) + N2O = (I- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.7 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
| ΔrH° | 3.2 | kcal/mol | PHPMS | Hiraoka, Aruga, et al., 1993 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 15. | cal/mol*K | N/A | Hiraoka, Aruga, et al., 1993 | gas phase; Entropy change calculated or estimated; M |
( • 3
) +
= (
• 4
)
By formula: (I- • 3N2O) + N2O = (I- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.8 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 4
) +
= (
• 5
)
By formula: (I- • 4N2O) + N2O = (I- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.7 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 5
) +
= (
• 6
)
By formula: (I- • 5N2O) + N2O = (I- • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.3 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 6
) +
= (
• 7
)
By formula: (I- • 6N2O) + N2O = (I- • 7N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.2 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 7
) +
= (
• 8
)
By formula: (I- • 7N2O) + N2O = (I- • 8N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.1 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 8
) +
= (
• 9
)
By formula: (I- • 8N2O) + N2O = (I- • 9N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.4 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 9
) +
= (
• 10
)
By formula: (I- • 9N2O) + N2O = (I- • 10N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.8 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 10
) +
= (
• 11
)
By formula: (I- • 10N2O) + N2O = (I- • 11N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.0 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
( • 11
) +
= (
• 12
)
By formula: (I- • 11N2O) + N2O = (I- • 12N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.3 ± 2.0 | kcal/mol | PDis | Arnold, Bradforth, et al., 1995 | gas phase; EA given is Vertical Detachment Energy. Affinity: difference between successive EAs in (Y); B |
+
= (
•
)
By formula: NO- + N2O = (NO- • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 10. ± 30. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrS° | 14.9 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=7.70 kcal/mol; M |
( •
) +
= (
• 2
)
By formula: (NO- • N2O) + N2O = (NO- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.90 ± 0.90 | kcal/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
| ΔrH° | 4.60 | kcal/mol | N/A | Coe, Snodgrass, et al., 1987 | gas phase; B |
| ΔrH° | 5.6 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| ΔrH° | 6. | kcal/mol | PES | Coe, Snodgrass, et al., 1986 | gas phase; D(N2O)2 not accounted for; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -1.0 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 2
) +
= (
• 3
)
By formula: (NO- • 2N2O) + N2O = (NO- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.20 ± 0.90 | kcal/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
| ΔrH° | 5.1 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrS° | 21. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -1.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 3
) +
= (
• 4
)
By formula: (NO- • 3N2O) + N2O = (NO- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.00 ± 0.90 | kcal/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
| ΔrH° | 4.5 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -1.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 4
) +
= (
• 5
)
By formula: (NO- • 4N2O) + N2O = (NO- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.20 ± 0.90 | kcal/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
| ΔrH° | 4.5 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -1.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 5
) +
= (
• 6
)
By formula: (NO- • 5N2O) + N2O = (NO- • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.40 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -1.9 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 6
) +
= (
• 7
)
By formula: (NO- • 6N2O) + N2O = (NO- • 7N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.20 ± 0.30 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -2.7 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
By formula: NO2+ + N2O = (NO2+ • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 14.1 | kcal/mol | EI | Cameron, Aitken, et al., 1994 | gas phase; M |
| ΔrH° | 17.4 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrH° | 13.1 ± 0.8 | kcal/mol | DT | Illies, 1988 | gas phase; ΔrH(0 K)=13.3 kcal/mol; M |
| ΔrH° | 13.1 | kcal/mol | PI | Linn and Ng, 1981 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrS° | 12.4 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=13.3 kcal/mol; M |
By formula: (NO2+ • N2O) + N2O = (NO2+ • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.1 | kcal/mol | EI | Cameron, Aitken, et al., 1994 | gas phase; M |
| ΔrH° | 5.7 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (NO2+ • 2N2O) + N2O = (NO2+ • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.8 | kcal/mol | EI | Cameron, Aitken, et al., 1994 | gas phase; M |
| ΔrH° | 5.6 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (NO2+ • 3N2O) + N2O = (NO2+ • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.4 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (NO2+ • 4N2O) + N2O = (NO2+ • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.1 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
By formula: (NO2+ • 5N2O) + N2O = (NO2+ • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | N/A | Hiraoka, Fujimaki, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
(N2O2- • 4294967295) +
= N2O2-
By formula: (N2O2- • 4294967295N2O) + N2O = N2O2-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 23.1 ± 1.2 | kcal/mol | N/A | Li and Continetti, 2002 | gas phase; B |
| ΔrH° | 32.30 ± 0.70 | kcal/mol | LPD | Osboen, Leahy, et al., 1996 | gas phase; Affinity at 0 K; B |
By formula: (O- • N2O) + N2O = (O- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.40 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -0.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
By formula: (O- • 2N2O) + N2O = (O- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.40 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -0.9 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
By formula: (O- • 3N2O) + N2O = (O- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.20 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -2.0 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
By formula: (O- • 4N2O) + N2O = (O- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.20 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 25. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -2.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
By formula: (O- • 5N2O) + N2O = (O- • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.10 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 26. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -2.7 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
By formula: (O- • 6N2O) + N2O = (O- • 7N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.10 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 28. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -3.3 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
+
= (
•
)
By formula: O2+ + N2O = (O2+ • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 13.4 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrH° | 10.7 ± 0.4 | kcal/mol | DT | Illies, 1988 | gas phase; ΔrH(0 K)=10.8 kcal/mol; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| ΔrS° | 15.3 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=10.8 kcal/mol; M |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.9 | 200. | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2+)O2; M |
( •
) +
= (
• 2
)
By formula: (O2+ • N2O) + N2O = (O2+ • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.5 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2N2O) + N2O = (O2+ • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3N2O) + N2O = (O2+ • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.2 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4N2O) + N2O = (O2+ • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.8 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5N2O) + N2O = (O2+ • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.3 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
( • 6
) +
= (
• 7
)
By formula: (O2+ • 6N2O) + N2O = (O2+ • 7N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase; M |
+
= (
•
)
By formula: O2- + N2O = (O2- • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | <13.60 | kcal/mol | IMRB | Adams and Bohme, 1970 | gas phase; N2O..O2- + O2 -> O4- + N2O; B |
| ΔrH° | 8.8 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 27. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (O2- • N2O) + N2O = (O2- • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.70 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 27. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 0.6 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 2
) +
= (
• 3
)
By formula: (O2- • 2N2O) + N2O = (O2- • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.40 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -0.8 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 3
) +
= (
• 4
)
By formula: (O2- • 3N2O) + N2O = (O2- • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.70 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -1.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 4
) +
= (
• 5
)
By formula: (O2- • 4N2O) + N2O = (O2- • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.30 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -1.9 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
( • 5
) +
= (
• 6
)
By formula: (O2- • 5N2O) + N2O = (O2- • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.00 ± 0.20 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -2.2 ± 1.0 | kcal/mol | TDAs | Hiraoka, Fujimaki, et al., 1994, 2 | gas phase; B |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, Ion clustering data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| NIST MS number | 70 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-1 | 182. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
| Capillary | SPB-1 | 182. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
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Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy 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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