Hydroxyl anion
- Formula: HO-
- Molecular weight: 17.0079
- IUPAC Standard InChI: InChI=1S/H2O/h1H2/p-1
- IUPAC Standard InChIKey: XLYOFNOQVPJJNP-UHFFFAOYSA-M
- CAS Registry Number: 14280-30-9
- Chemical structure:
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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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - 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- + H2O = (HO- • H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 27.0 ± 0.9 | kcal/mol | AVG | N/A | Average of 3 out of 7 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 28.1 | cal/mol*K | PHPMS | Paul and Kebarle, 1990 | gas phase; M |
| ΔrS° | 21.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrS° | 20.8 | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
| ΔrS° | 19.1 | cal/mol*K | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
( •
) +
= (
• 2
)
By formula: (HO- • H2O) + H2O = (HO- • 2H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 17.6 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrH° | 18. | kcal/mol | CID | Hierl and Paulson, 1984 | gas phase; M |
| ΔrH° | 17.9 | kcal/mol | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
| ΔrH° | 16.4 | kcal/mol | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
| ΔrH° | 23. | kcal/mol | CID | DePaz, Giardini, et al., 1970 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrS° | 21.2 | cal/mol*K | HPMS | Payzant, Yamdagni, et al., 1971 | gas phase; M |
| ΔrS° | 19.3 | cal/mol*K | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
( • 3
) +
= (
• 4
)
By formula: (HO- • 3H2O) + H2O = (HO- • 4H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 12.0 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrH° | 14.2 | kcal/mol | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrS° | 29.5 | cal/mol*K | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 5.6 | kcal/mol | FA | Fehsenfeld and Ferguson, 1974 | gas phase; M |
( • 2
) +
= (
• 3
)
By formula: (HO- • 2H2O) + H2O = (HO- • 3H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 16.2 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrH° | 15.1 | kcal/mol | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
| ΔrH° | 18. | kcal/mol | CID | DePaz, Giardini, et al., 1970 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrS° | 24.8 | cal/mol*K | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
( • 4
) +
= (
• 5
)
By formula: (HO- • 4H2O) + H2O = (HO- • 5H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 11.5 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrH° | 14.1 | kcal/mol | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| ΔrS° | 33.2 | cal/mol*K | PHPMS | Arshadi and Kebarle, 1970 | gas phase; deuterated; M |
( • 7
) +
= (
• 8
)
By formula: (HO- • 7H2O) + H2O = (HO- • 8H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 9.8 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 3.9 | 245. | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
( • 4294967295
) +
=
By formula: (HO- • 4294967295O) + O = HO-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 127.44 | kcal/mol | N/A | Smith, Kim, et al., 1997 | gas phase; Given: 14741.02(3) cm-1. dHacid(0K) = 389.11±0.014; B |
| ΔrH° | 127.60 ± 0.20 | kcal/mol | Ther | Schulz, Mead, et al., 1982 | gas phase; Given: 1.82767±0.00021 eV; B |
( • 5
) +
= (
• 6
)
By formula: (HO- • 5H2O) + H2O = (HO- • 6H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 11.2 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23.2 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
( • 6
) +
= (
• 7
)
By formula: (HO- • 6H2O) + H2O = (HO- • 7H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 10.4 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23.9 | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Speller, 1986 | gas phase; deuterated; M |
+
= (
•
)
By formula: HO- + D2O = (HO- • D2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 26.8 | kcal/mol | PHPMS | Meot-ner and Sieck, 1986 | gas phase; OD-, D2O; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22.2 | cal/mol*K | PHPMS | Meot-ner and Sieck, 1986 | gas phase; OD-, D2O; M |
+
= (
•
)
By formula: HO- + H2 = (HO- • H2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7. | kcal/mol | CID | Paulson and Henchman, 1984 | gas phase; approximate value; M |
+
= (
•
)
By formula: HO- + CO2 = (HO- • CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 88. | kcal/mol | CID | Hierl and Paulson, 1984 | gas phase; M |
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.
Paul and Kebarle, 1990
Paul, G.J.C.; Kebarle, P.,
Thermodynamics of the Association Reactions OH- - H2O = HOHOH- and CH3O- - CH3OH = CH3OHOCH3- in the Gas Phase,
J. Phys. Chem., 1990, 94, 12, 5184, https://doi.org/10.1021/j100375a076
. [all data]
Meot-Ner (Mautner) and Speller, 1986
Meot-Ner (Mautner), M.; Speller, C.V.,
The Filling of Solvent Shells in Cluster Ions: Thermochemical Criteria nd the Effects of Isomeric Clusters,
J. Phys. Chem., 1986, 90, 25, 6616, https://doi.org/10.1021/j100283a006
. [all data]
Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P.,
Hydration of CN-, NO2-, NO3-, and HO- in the gas phase,
Can. J. Chem., 1971, 49, 3308. [all data]
Arshadi and Kebarle, 1970
Arshadi, M.; Kebarle, P.,
Hydration of OH- and O2- in the Gas Phase. Comparative Solvation of OH- by Water and the Hydrogen Halides. Effect of Acidity,
J. Phys. Chem., 1970, 74, 7, 1483, https://doi.org/10.1021/j100702a015
. [all data]
Hierl and Paulson, 1984
Hierl, P.M.; Paulson, J.F.,
Translational energy dependence of cross sections for reactions of OH- (H2O)n with CO2 and SO2,
J. Chem. Phys., 1984, 80, 4890. [all data]
DePaz, Giardini, et al., 1970
DePaz, M.; Giardini, A.G.; Friedman, L.,
Tandem-Mass-Spectrometer Study of Solvated Derivatives of OD-. Total Hydration Energy of the Proton,
J. Chem. Phys., 1970, 52, 2, 687, https://doi.org/10.1063/1.1673041
. [all data]
Fehsenfeld and Ferguson, 1974
Fehsenfeld, F.C.; Ferguson, E.E.,
Laboratory studies of negative ion reactions with atmospheric trace constituents,
J. Chem. Phys., 1974, 61, 3181. [all data]
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]
Meot-ner and Sieck, 1986
Meot-ner, M.; Sieck, L.W.,
Relative acidities of water and methanol, and the stabilities of the dimer adducts,
J. Phys. Chem., 1986, 90, 6687. [all data]
Paulson and Henchman, 1984
Paulson, J.F.; Henchman, M.J.,
NATO Advanced Study Institute, Ionic Processes in the Gas Phase, Series C, M. A. Almoster - Ferreira, ed(s)., Reidel, Boston, 1984, 331. [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 ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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