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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Constants of diatomic molecules
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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 by: Klaus P. Huber and Gerhard H. Herzberg
Data collected through May, 1977
| Symbol | Meaning |
|---|---|
| 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) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a (3Π) | (28000) 1 | |||||||||||
| ↳Merkel and Hamill, 1971 | ||||||||||||
| X 1Σ+ | 0 | (3700) 2 | (18.9) 2 | (0.970) 2 | ||||||||
Notes
| 1 | Absorption (λ < 3500 Å) and long lived emission (λmax ~4000 Å) in aqueous solutions. |
| 2 | Estimates based on the analysis of photodetachment data, Branscomb, 1966, Celotta, Bennett, et al., 1974, Hotop, Patterson, et al., 1974. |
| 3 | From D00(OH) and the electron affinities of OH and O. |
| 4 | From 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. |
| 5 | Anagolous to 3. |
References
Go To: Top, 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.
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
Go To: Top, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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