PO3 anion
- Formula: O3P-
- Molecular weight: 78.9725
- CAS Registry Number: 15389-19-2
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Ion clustering 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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Clustering reactions
By formula: O3P- + H2O = (O3P- • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.0 ± 1.3 | kJ/mol | TDAs | Keesee and Castleman Jr., 1989 | gas phase; Not (HO)2PO2-. See also Blades, Ho, et al., 1996 : (HO)2PO2- -> PO3- + HOH, Eact ca. 55 kcal/mol.; B,M,M |
ΔrH° | 52.7 | kJ/mol | ES/HPMS | Blades, Ho, et al., 1996, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 87.0 | J/mol*K | ES/HPMS | Blades, Ho, et al., 1996, 2 | gas phase; M |
ΔrS° | 92.9 | J/mol*K | HPMS | Keesee and Castleman Jr., 1989 | gas phase; M |
ΔrS° | 87.0 | J/mol*K | HPMS | Keesee and Castleman Jr., 1989 | gas phase; deuterated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 26. ± 5.0 | kJ/mol | TDAs | Keesee and Castleman Jr., 1989 | gas phase; Not (HO)2PO2-. See also Blades, Ho, et al., 1996 : (HO)2PO2- -> PO3- + HOH, Eact ca. 55 kcal/mol.; B |
ΔrG° | 27. | kJ/mol | ES/HPMS | Blades, Ho, et al., 1996, 2 | gas phase; M |
By formula: (O3P- • H2O) + H2O = (O3P- • 2H2O)
Bond type: Hydrogen bond (negative ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 47.7 | kJ/mol | ES/HPMS | Blades, Ho, et al., 1996, 2 | gas phase; M |
ΔrH° | 47.7 | kJ/mol | HPMS | Keesee and Castleman Jr., 1989 | gas phase; deuterated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 92.0 | J/mol*K | ES/HPMS | Blades, Ho, et al., 1996, 2 | gas phase; M |
ΔrS° | 92.0 | J/mol*K | HPMS | Keesee and Castleman Jr., 1989 | gas phase; deuterated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 21. | kJ/mol | ES/HPMS | Blades, Ho, et al., 1996, 2 | gas phase; M |
By formula: (O3P- • 2H2O) + H2O = (O3P- • 3H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 68.2 | kJ/mol | HPMS | Keesee and Castleman Jr., 1989 | gas phase; deuterated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 152. | J/mol*K | HPMS | Keesee and Castleman Jr., 1989 | gas phase; deuterated; M |
By formula: (O3P- • 3H2O) + H2O = (O3P- • 4H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.0 | kJ/mol | HPMS | Keesee and Castleman Jr., 1989 | gas phase; deuterated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 94.1 | J/mol*K | HPMS | Keesee and Castleman Jr., 1989 | gas phase; deuterated; M |
By formula: (O3P- • 4294967295O2P) + O2P = O3P-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 654. ± 26. | kJ/mol | Ther | Wang and Wang, 1999 | gas phase; B |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Keesee and Castleman Jr., 1989
Keesee, R.G.; Castleman Jr.,
Hydration of Monomeric Metaphosphate Anion in the Gas Phase,
J. Am. Chem. Soc., 1989, 111, 25, 9015, https://doi.org/10.1021/ja00207a004
. [all data]
Blades, Ho, et al., 1996
Blades, A.T.; Ho, Y.; Kebarle, P.,
Hydration in the Gas Phase of the Orthophosphate Anion (HO)2PO2-, and the Conversion of the Orthophosphate anion to the Metaphosphate, PO3-, Ion,
J. Am. Chem. Soc., 1996, 118, 1, 196, https://doi.org/10.1021/ja952169w
. [all data]
Blades, Ho, et al., 1996, 2
Blades, A.T.; Ho, Y.; Kebarle, P.,
Hydration in the Gas Phase of the Orthophosphate Anion, (HO)2PO2-, and the Conversion of the Orthophosphate to teh Metaphosphate, PO3-, Ion,
J. Am. Chem. Soc., 1996, 118, 1, 196, https://doi.org/10.1021/ja952169w
. [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
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- Symbols used in this document:
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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