Phosphorus monoxide
- Formula: OP
- Molecular weight: 46.9732
- IUPAC Standard InChIKey: LFGREXWGYUGZLY-UHFFFAOYSA-N
- CAS Registry Number: 14452-66-5
- 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. - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Reaction thermochemistry 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. 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
(CAS Reg. No. 12359-19-2 • 4294967295) +
= CAS Reg. No. 12359-19-2
By formula: (CAS Reg. No. 12359-19-2 • 4294967295OP) + OP = CAS Reg. No. 12359-19-2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 165.4 ± 2.5 | kcal/mol | N/A | N/A | gas phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, 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
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
View reactions leading to OP+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 163. | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 155.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.092 ± 0.010 | LPES | Zittel and Lineberger, 1976 | B |
1.00 ± 0.10 | Endo | Wu and Tiernan, 1982 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.39 ± 0.01 | PE | Dyke, Morris, et al., 1982 | LBLHLM |
8.9 ± 0.5 | EI | Balducci, Gigli, et al., 1981 | LLK |
8.373 | S | Ghosh and Verma, 1978 | LLK |
9.1 ± 0.5 | EI | Smoes, Drowart, et al., 1976 | LLK |
10.7 | EI | Gingerich and Miller, 1975 | LLK |
9.5 ± 0.5 | EI | Smoes and Drowart, 1973 | LLK |
9. ± 1. | EI | Drowart, Myers, et al., 1972 | LLK |
8.231 | S | Ackermann, Lefebvre-Brion, et al., 1972 | LLK |
8.38 | S | Verma, Dixit, et al., 1971 | LLK |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, 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.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Zittel and Lineberger, 1976
Zittel, P.F.; Lineberger, W.C.,
Laser photoelectron spectrometry of PO-, PH-, and PH2-,
J. Chem. Phys., 1976, 65, 1236. [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]
Dyke, Morris, et al., 1982
Dyke, J.M.; Morris, A.; Ridha, A.,
Study of the ground state of PO+ using photoelectron spectroscopy,
J. Chem. Soc. Faraday Trans. 2, 1982, 78, 2077. [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]
Ghosh and Verma, 1978
Ghosh, S.N.; Verma, R.D.,
Rydberg states of the PO molecule,
J. Mol. Spectrosc., 1978, 72, 200. [all data]
Smoes, Drowart, et al., 1976
Smoes, S.; Drowart, J.; Myers, C.E.,
Determination of the atomization energies of the molecules TaO(g) TaO2(g) by the mass-spectrometric Knudsen-cell method,
J. Chem. Thermodyn., 1976, 8, 225. [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]
Ackermann, Lefebvre-Brion, et al., 1972
Ackermann, F.; Lefebvre-Brion, H.; Roche, A.L.,
Calculated Rydberg states of the PO molecule,
Can. J. Phys., 1972, 50, 692. [all data]
Verma, Dixit, et al., 1971
Verma, R.D.; Dixit, M.N.; Jois, S.S.; Nagaraj, S.; Singhal, S.R.,
Emission spectrum of the PO molecule. Part II. 2Σ-2Σ transitions,
Can. J. Phys., 1971, 49, 3180. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.