Phosphorus dioxide
- Formula: O2P
- Molecular weight: 62.9726
- IUPAC Standard InChIKey: CJDZTJNITSFKRE-UHFFFAOYSA-N
- CAS Registry Number: 12164-97-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
View reactions leading to O2P+ (ion structure unspecified)
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
3.420 ± 0.010 | LPES | N/A | B |
3.80 ± 0.22 | R-A | Rudnyi, Vovk, et al., 1986 | value altered from reference due to conversion from electron convention to ion convention; B |
3.30 ± 0.20 | Endo | Wu and Tiernan, 1982 | B |
2.99997 | IMRE | Wormhoudt and Kobb, 1979 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.9 ± 0.5 | EI | Balducci, Gigli, et al., 1981 | LLK |
10.5 ± 0.1 | EI | Gingerich and Miller, 1975 | LLK |
11.5 ± 0.5 | EI | Smoes and Drowart, 1973 | LLK |
11. ± 1. | EI | Drowart, Myers, et al., 1972 | LLK |
Ion clustering data
Go To: Top, 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 by: 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: (O3P- • 4294967295O2P) + O2P = O3P-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 156.4 ± 6.3 | kcal/mol | Ther | Wang and Wang, 1999 | gas phase |
References
Go To: Top, 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.
Rudnyi, Vovk, et al., 1986
Rudnyi, E.B.; Vovk, O.M.; Sidirov, L.N.; Sorokin, I.D.; Alikhanyan, A.S.,
Enthalpy of formation of PO2-, PO3-, and NaPO2,
High Temp., 1986, 24, 56. [all data]
Wu and Tiernan, 1982
Wu, R.L.C.; Tiernan, T.O.,
Collisional Studies of High Temperature Molecular Negative Ion-Neutral Reactions,
Bull. Am. Phys. Soc., 1982, 27, 109. [all data]
Wormhoudt and Kobb, 1979
Wormhoudt, J.C.; Kobb, C.E.,
MS determination of negative and positive ion concentrations in coal fired MHD plasmas in Proc. 10th Materials Res. Symp. on Characterization of High Temp. Vapors,
NBS Spec. Publ. U.S., 1979, 457. [all data]
Balducci, Gigli, et al., 1981
Balducci, G.; Gigli, G.; Guido, M.,
Dissociation energies of the molecules CrPO2(g) and CoO(g) by high-temperature mass spectrometry,
J. Chem. Soc. Faraday Trans. 2, 1981, 77, 1107. [all data]
Gingerich and Miller, 1975
Gingerich, K.A.; Miller, F.,
Thermodynamic study of gaseous sodium-phosphorus-oxygen ternary molecules by high temperature mass spectrometry,
J. Chem. Phys., 1975, 63, 1211. [all data]
Smoes and Drowart, 1973
Smoes, S.; Drowart, J.,
Atomization energies of phosphorus oxides,
Faraday Symp. Chem. Soc., 1973, 139. [all data]
Drowart, Myers, et al., 1972
Drowart, J.; Myers, C.E.; Szwarc, R.; Vander Auwera-Mahieu, A.; Uy, O.M.,
Determination by the mass spectrometric Knudsen cell method of the atomization energies of the molecules PO and PO2,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 1749. [all data]
Wang and Wang, 1999
Wang, X.B.; Wang, L.S.,
Vibrationally resolved photoelectron spectroscopy of PO3- and the electronic structure of PO3,
Chem. Phys. Lett., 1999, 313, 1-2, 179-183, https://doi.org/10.1016/S0009-2614(99)00993-8
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EA Electron affinity ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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