Nitrogen
- Formula: N2
- Molecular weight: 28.0134
- IUPAC Standard InChI: InChI=1S/N2/c1-2
- IUPAC Standard InChIKey: IJGRMHOSHXDMSA-UHFFFAOYSA-N
- CAS Registry Number: 7727-37-9
- 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 gas; N2; UN 1066; UN 1977; Dinitrogen; Molecular nitrogen; Diatomic nitrogen; Nitrogen-14
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Reaction thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
RCD - Robert C. Dunbar
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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.
Reactions 151 to 156
( •
) +
= (
• 2
)
By formula: (Fe+ • N2) + N2 = (Fe+ • 2N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 82.8 ± 9.2 | kJ/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
3 + 2
= 6
+
By formula: 3C2F6 + 2F3N = 6CF4 + N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1304. ± 13. | kJ/mol | Ccb | Sinke, 1966 | gas phase; ALS |
+
= (
•
)
By formula: Ca+ + N2 = (Ca+ • N2)
Free energy of reaction
| ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 25. | 296. | FA | Spears and Fehsenfeld, 1972 | gas phase; M |
+
= (
•
)
By formula: CH3+ + N2 = (CH3+ • N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 203. | kJ/mol | PDiss | Foster, Williamson, et al., 1974 | gas phase; M |
=
+
By formula: C2H3ClN2 = C2H3Cl + N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -196. ± 14. | kJ/mol | Cm | Archer and Tyler, 1976 | gas phase; ALS |
+
= (
•
)
By formula: Fe+ + N2 = (Fe+ • N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 54.0 ± 5.9 | kJ/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rodgers and Armentrout, 2000
Rodgers, M.T.; Armentrout, P.B.,
Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation,
Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X
. [all data]
Sinke, 1966
Sinke, G.C.,
The heat of reaction of nitrogen trifluoride and hexafluoroethane,
J. Phys. Chem., 1966, 70, 1326-1327. [all data]
Spears and Fehsenfeld, 1972
Spears, K.G.; Fehsenfeld, F.C.,
Termolecular Association Reactions of Mg, Ca, and Ba Ions,
J. Chem. Phys., 1972, 56, 11, 5698, https://doi.org/10.1063/1.1677091
. [all data]
Foster, Williamson, et al., 1974
Foster, M.S.; Williamson, A.D.; Beauchamp, J.L.,
Photoionization mass spectrometry of trans-azomethane,
Int. J. Mass Spectrom. Ion Phys., 1974, 15, 429. [all data]
Archer and Tyler, 1976
Archer, W.H.; Tyler, B.J.,
Self-heating in the decomposition of 3-methyl-3-chlorodiazirine: Determination of reaction exothermicity and correction of Arrhenius parameters,
J. Chem. Soc. Faraday Trans. 1, 1976, 72, 1448-1455. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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