Hydroxyl anion


Gas phase thermochemistry 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.

Quantity Value Units Method Reference Comment
gas,1 bar172.47J/mol*KReviewChase, 1998Data last reviewed in December, 1970

Reaction thermochemistry 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:
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

Hydroxyl anion + Water = (Hydroxyl anion • Water)

By formula: HO- + H2O = (HO- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr113. ± 4.kJ/molAVGN/AAverage of 3 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr118.J/mol*KPHPMSPaul and Kebarle, 1990gas phase; M
Δr91.2J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr87.0J/mol*KHPMSPayzant, Yamdagni, et al., 1971gas phase; M
Δr79.9J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • Water) + Water = (Hydroxyl anion • 2Water)

By formula: (HO- • H2O) + H2O = (HO- • 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr73.6kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr75.kJ/molCIDHierl and Paulson, 1984gas phase; M
Δr74.9kJ/molHPMSPayzant, Yamdagni, et al., 1971gas phase; M
Δr68.6kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Δr96.kJ/molCIDDePaz, Giardini, et al., 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr89.5J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr88.7J/mol*KHPMSPayzant, Yamdagni, et al., 1971gas phase; M
Δr80.8J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • 3Water) + Water = (Hydroxyl anion • 4Water)

By formula: (HO- • 3H2O) + H2O = (HO- • 4H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr50.2kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr59.4kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr88.3J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr123.J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr23.kJ/molFAFehsenfeld and Ferguson, 1974gas phase; M

(Hydroxyl anion • 2Water) + Water = (Hydroxyl anion • 3Water)

By formula: (HO- • 2H2O) + H2O = (HO- • 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr67.8kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr63.2kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Δr75.kJ/molCIDDePaz, Giardini, et al., 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr101.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr104.J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • 4Water) + Water = (Hydroxyl anion • 5Water)

By formula: (HO- • 4H2O) + H2O = (HO- • 5H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr48.1kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr59.0kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr101.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr139.J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • 7Water) + Water = (Hydroxyl anion • 8Water)

By formula: (HO- • 7H2O) + H2O = (HO- • 8H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr41.kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
16.245.PHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

(Hydroxyl anion • 4294967295Oxygen, atomic) + Oxygen, atomic = Hydroxyl anion

By formula: (HO- • 4294967295O) + O = HO-

Quantity Value Units Method Reference Comment
Δr533.21kJ/molN/ASmith, Kim, et al., 1997gas phase; Given: 14741.02(3) cm-1. dHacid(0K) = 389.11±0.014; B
Δr533.88 ± 0.84kJ/molTherSchulz, Mead, et al., 1982gas phase; Given: 1.82767±0.00021 eV; B

(Hydroxyl anion • 5Water) + Water = (Hydroxyl anion • 6Water)

By formula: (HO- • 5H2O) + H2O = (HO- • 6H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr46.9kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr97.1J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

(Hydroxyl anion • 6Water) + Water = (Hydroxyl anion • 7Water)

By formula: (HO- • 6H2O) + H2O = (HO- • 7H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr43.5kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

Hydroxyl anion + Deuterium oxide = (Hydroxyl anion • Deuterium oxide)

By formula: HO- + D2O = (HO- • D2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr112.kJ/molPHPMSMeot-ner and Sieck, 1986gas phase; OD-, D2O; M
Quantity Value Units Method Reference Comment
Δr92.9J/mol*KPHPMSMeot-ner and Sieck, 1986gas phase; OD-, D2O; M

Hydroxyl anion + Hydrogen = (Hydroxyl anion • Hydrogen)

By formula: HO- + H2 = (HO- • H2)

Quantity Value Units Method Reference Comment
Δr30.kJ/molCIDPaulson and Henchman, 1984gas phase; approximate value; M

Hydroxyl anion + Carbon dioxide = (Hydroxyl anion • Carbon dioxide)

By formula: HO- + CO2 = (HO- • CO2)

Quantity Value Units Method Reference Comment
Δr370.kJ/molCIDHierl and Paulson, 1984gas phase; M

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:
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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Hydroxyl anion + Carbon dioxide = (Hydroxyl anion • Carbon dioxide)

By formula: HO- + CO2 = (HO- • CO2)

Quantity Value Units Method Reference Comment
Δr370.kJ/molCIDHierl and Paulson, 1984gas phase; M

Hydroxyl anion + Deuterium oxide = (Hydroxyl anion • Deuterium oxide)

By formula: HO- + D2O = (HO- • D2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr112.kJ/molPHPMSMeot-ner and Sieck, 1986gas phase; OD-, D2O; M
Quantity Value Units Method Reference Comment
Δr92.9J/mol*KPHPMSMeot-ner and Sieck, 1986gas phase; OD-, D2O; M

Hydroxyl anion + Water = (Hydroxyl anion • Water)

By formula: HO- + H2O = (HO- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr113. ± 4.kJ/molAVGN/AAverage of 3 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr118.J/mol*KPHPMSPaul and Kebarle, 1990gas phase; M
Δr91.2J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr87.0J/mol*KHPMSPayzant, Yamdagni, et al., 1971gas phase; M
Δr79.9J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • Water) + Water = (Hydroxyl anion • 2Water)

By formula: (HO- • H2O) + H2O = (HO- • 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr73.6kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr75.kJ/molCIDHierl and Paulson, 1984gas phase; M
Δr74.9kJ/molHPMSPayzant, Yamdagni, et al., 1971gas phase; M
Δr68.6kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Δr96.kJ/molCIDDePaz, Giardini, et al., 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr89.5J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr88.7J/mol*KHPMSPayzant, Yamdagni, et al., 1971gas phase; M
Δr80.8J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • 2Water) + Water = (Hydroxyl anion • 3Water)

By formula: (HO- • 2H2O) + H2O = (HO- • 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr67.8kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr63.2kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Δr75.kJ/molCIDDePaz, Giardini, et al., 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr101.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr104.J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • 3Water) + Water = (Hydroxyl anion • 4Water)

By formula: (HO- • 3H2O) + H2O = (HO- • 4H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr50.2kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr59.4kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr88.3J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr123.J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr23.kJ/molFAFehsenfeld and Ferguson, 1974gas phase; M

(Hydroxyl anion • 4Water) + Water = (Hydroxyl anion • 5Water)

By formula: (HO- • 4H2O) + H2O = (HO- • 5H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr48.1kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr59.0kJ/molPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr101.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Δr139.J/mol*KPHPMSArshadi and Kebarle, 1970gas phase; deuterated; M

(Hydroxyl anion • 5Water) + Water = (Hydroxyl anion • 6Water)

By formula: (HO- • 5H2O) + H2O = (HO- • 6H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr46.9kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr97.1J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

(Hydroxyl anion • 6Water) + Water = (Hydroxyl anion • 7Water)

By formula: (HO- • 6H2O) + H2O = (HO- • 7H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr43.5kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

(Hydroxyl anion • 7Water) + Water = (Hydroxyl anion • 8Water)

By formula: (HO- • 7H2O) + H2O = (HO- • 8H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr41.kJ/molPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
16.245.PHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; deuterated; M

Hydroxyl anion + Hydrogen = (Hydroxyl anion • Hydrogen)

By formula: HO- + H2 = (HO- • H2)

Quantity Value Units Method Reference Comment
Δr30.kJ/molCIDPaulson and Henchman, 1984gas phase; approximate value; M

(Hydroxyl anion • 4294967295Oxygen, atomic) + Oxygen, atomic = Hydroxyl anion

By formula: (HO- • 4294967295O) + O = HO-

Quantity Value Units Method Reference Comment
Δr533.21kJ/molN/ASmith, Kim, et al., 1997gas phase; Given: 14741.02(3) cm-1. dHacid(0K) = 389.11±0.014; B
Δr533.88 ± 0.84kJ/molTherSchulz, Mead, et al., 1982gas phase; Given: 1.82767±0.00021 eV; B

Constants of diatomic molecules

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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: Klaus P. Huber and Gerhard H. Herzberg

Data collected through May, 1977

Symbols used in the table of constants
SymbolMeaning
State electronic state and / or symmetry symbol
Te minimum electronic energy (cm-1)
ωe vibrational constant – first term (cm-1)
ωexe vibrational constant – second term (cm-1)
ωeye vibrational constant – third term (cm-1)
Be rotational constant in equilibrium position (cm-1)
αe rotational constant – first term (cm-1)
γe rotation-vibration interaction constant (cm-1)
De centrifugal distortion constant (cm-1)
βe rotational constant – first term, centrifugal force (cm-1)
re internuclear distance (Å)
Trans. observed transition(s) corresponding to electronic state
ν00 position of 0-0 band (units noted in table)
Diatomic constants for 16OH-
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
a (3Π) (28000) 1           
Merkel and Hamill, 1971
X 1Σ+ 0 (3700) 2   (18.9) 2     (0.970) 2  

Notes

1Absorption (λ < 3500 Å) and long lived emission (λmax ~4000 Å) in aqueous solutions.
2Estimates based on the analysis of photodetachment data, Branscomb, 1966, Celotta, Bennett, et al., 1974, Hotop, Patterson, et al., 1974.
3From D00(OH) and the electron affinities of OH and O.
4From high-resolution photodetachment studies of OH- and OD- Hotop, Patterson, et al., 1974; see also Branscomb, 1966, Kay and Page, 1966, Celotta, Bennett, et al., 1974.
5Anagolous to 3.

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Constants of diatomic molecules, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

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]

Merkel and Hamill, 1971
Merkel, P.B.; Hamill, W.H., Evidence for a low-lying triplet state of the hydroxide ion, J. Chem. Phys., 1971, 55, 2174. [all data]

Branscomb, 1966
Branscomb, L.M., Photodetachment Cross Section, Electron Affinity, and Structure of the Negative Hydroxyl Ion, Phys. Rev., 1966, 148, 1, 11, https://doi.org/10.1103/PhysRev.148.11 . [all data]

Celotta, Bennett, et al., 1974
Celotta, R.S.; Bennett, R.A.; Hall, J.L., Laser Photodetachment Determination of the Electron Affinities of OH, NH2, NH, SO2, and S2, J. Chem. Phys., 1974, 60, 5, 1740, https://doi.org/10.1063/1.1681268 . [all data]

Hotop, Patterson, et al., 1974
Hotop, H.; Patterson, T.A.; Lineberger, W.C., High resolution photodetachment study of OH- and OD- in the threshold region 7000-6450 Å, J. Chem. Phys., 1974, 60, 1806. [all data]

Kay and Page, 1966
Kay, J.; Page, F.M., Determination of electron affinities. Part 10. Electron affinity of hydroxyl, Trans. Faraday Soc., 1966, 62, 3081. [all data]


Notes

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