Oxygen, atomic
- Formula: O
- Molecular weight: 15.9994
- IUPAC Standard InChIKey: QVGXLLKOCUKJST-UHFFFAOYSA-N
- CAS Registry Number: 17778-80-2
- Chemical structure:
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- Other data available:
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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 by: John E. Bartmess
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: (HO- • 4294967295O) + O = HO-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 533.21 | kJ/mol | N/A | Smith, Kim, et al., 1997 | gas phase; Given: 14741.02(3) cm-1. dHacid(0K) = 389.11±0.014 |
ΔrH° | 533.88 ± 0.84 | kJ/mol | Ther | Schulz, Mead, et al., 1982 | gas phase; Given: 1.82767±0.00021 eV |
(CAS Reg. No. 661-20-1 • 4294967295) + = CAS Reg. No. 661-20-1
By formula: (CAS Reg. No. 661-20-1 • 4294967295O) + O = CAS Reg. No. 661-20-1
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 530.99 | kJ/mol | N/A | Bradforth, Kim, et al., 1993 | gas phase; D-EA cycle requires a DH ca 4 kcal/mol weaker |
ΔrH° | 516.10 | kJ/mol | Ther | Wight and Beauchamp, 1980 | gas phase |
By formula: (O2- • 4294967295O) + O = O2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 400.7 | kJ/mol | N/A | Ervin, Anusiewicz, et al., 2003 | gas phase |
ΔrH° | 401. ± 4.2 | kJ/mol | Ther | Travers, Cowles, et al., 1989 | gas phase |
(CAS Reg. No. 13981-20-9 • 4294967295) + = CAS Reg. No. 13981-20-9
By formula: (CAS Reg. No. 13981-20-9 • 4294967295O) + O = CAS Reg. No. 13981-20-9
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 524. ± 30. | kJ/mol | CIDT | Bell, Zemski, et al., 2001 | gas phase |
(CAS Reg. No. 14380-61-1 • 4294967295) + = CAS Reg. No. 14380-61-1
By formula: (CAS Reg. No. 14380-61-1 • 4294967295O) + O = CAS Reg. No. 14380-61-1
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 140.0 | kJ/mol | N/A | Distelrath and Boesl, 2000 | gas phase |
(CAS Reg. No. 12763-66-5 • 4294967295) + = CAS Reg. No. 12763-66-5
By formula: (CAS Reg. No. 12763-66-5 • 4294967295O) + O = CAS Reg. No. 12763-66-5
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 110.6 | kJ/mol | N/A | Gilles, Polak, et al., 1992 | gas phase |
(CAS Reg. No. 14380-62-2 • 4294967295) + = CAS Reg. No. 14380-62-2
By formula: (CAS Reg. No. 14380-62-2 • 4294967295O) + O = CAS Reg. No. 14380-62-2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 136.1 | kJ/mol | N/A | Gilles, Polak, et al., 1992 | gas phase |
(CAS Reg. No. 15065-65-3 • 4294967295) + = CAS Reg. No. 15065-65-3
By formula: (CAS Reg. No. 15065-65-3 • 4294967295O) + O = CAS Reg. No. 15065-65-3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 168.2 | kJ/mol | N/A | Gilles, Polak, et al., 1991 | gas phase |
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.
Smith, Kim, et al., 1997
Smith, J.R.; Kim, J.B.; Lineberger, W.C.,
High-resolution Threshold Photodetachment Spectroscopy of OH-,
Phys. Rev. A, 1997, 55, 3, 2036, https://doi.org/10.1103/PhysRevA.55.2036
. [all data]
Schulz, Mead, et al., 1982
Schulz, P.A.; Mead, R.D.; Jones, P.L.; Lineberger, W.C.,
OH- and OD- threshold photodetachment,
J. Chem. Phys., 1982, 77, 1153. [all data]
Bradforth, Kim, et al., 1993
Bradforth, S.E.; Kim, E.H.; Arnold, D.W.; Neumark, D.M.,
Photoelectron Spectroscopy of CN-, NCO-, and NCS-,
J. Chem. Phys., 1993, 98, 2, 800, https://doi.org/10.1063/1.464244
. [all data]
Wight and Beauchamp, 1980
Wight, C.A.; Beauchamp, J.L.,
Acidity, basicity, and ion/molecule reactions of isocyanic acid in the gas phase by ICR spectroscopy,
J. Phys. Chem., 1980, 84, 2503. [all data]
Ervin, Anusiewicz, et al., 2003
Ervin, K.M.; Anusiewicz, W.; Skurski, P.; Simons, J.; Lineberger, W.C.,
The only stable state of O-2(-) is the X (2)Pi(g) ground state and it (still!) has an adiabatic electron detachment energy of,
J. Phys. Chem. A, 2003, 107, 41, 8521-8529, https://doi.org/10.1021/jp0357323
. [all data]
Travers, Cowles, et al., 1989
Travers, M.J.; Cowles, D.C.; Ellison, G.B.,
Reinvestigation of the Electron Affinities of O2 and NO,
Chem. Phys. Lett., 1989, 164, 5, 449, https://doi.org/10.1016/0009-2614(89)85237-6
. [all data]
Bell, Zemski, et al., 2001
Bell, R.C.; Zemski, K.A.; Justes, D.R.; Castleman, A.W.,
Formation, structure and bond dissociation thresholds of gas- phase vanadium oxide cluster ions,
J. Chem. Phys., 2001, 114, 2, 798-811, https://doi.org/10.1063/1.1329643
. [all data]
Distelrath and Boesl, 2000
Distelrath, V.; Boesl, U.,
Mass selective gas phase study of ClO, OClO, ClOO and ClAr by anion-ZEKE-photoelectron spectroscopy,
Faraday Disc. Chem. Soc., 2000, 115, 161-174, https://doi.org/10.1039/a909618c
. [all data]
Gilles, Polak, et al., 1992
Gilles, M.K.; Polak, M.L.; Lineberger, W.C.,
Photoelectron Spectroscopy of the Halogen Oxide Anions FO-, ClO-, BrO-, IO-, OClO-, and OIO-,
J. Chem. Phys., 1992, 96, 11, 8012, https://doi.org/10.1063/1.462352
. [all data]
Gilles, Polak, et al., 1991
Gilles, M.K.; Polak, M.L.; Lineberger, W.C.,
Photoelectron Spectroscopy of IO-,
J. Chem. Phys., 1991, 95, 6, 4723, https://doi.org/10.1063/1.461746
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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