- InChI
- InChI=1S/HO2/c1-2/h1H/p-1
- InChI Key
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M
- Formula
- O2-
- SMILES
- [O][O-]
- Molecular Weight1
- 32.00
- CAS
- 11062-77-4
- ω : Acentric Factor.
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.2050 | Relay (... Calculated Property | |
| ΔfG° | -9.01 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -43.22 ± 0.59 | kJ/mol | NIST |
| ΔvapH° | 25.29 | kJ/mol | Relay (... Calculated Property |
| IE | 10.24 | eV | Relay (... Calculated Property |
| log10WS | -0.22 | Relay (... Calculated Property | |
| logPoct/wat | -1.308 | Crippen Calculated Property | |
| McVol | 18.300 | ml/mol | McGowan Calculated Property |
| Pc | 8140.89 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 173.90 | K | Relay (... Calculated Property |
| Tc | 245.49 | K | Relay (... Calculated Property |
| Tfus | 163.67 | K | Relay (... Calculated Property |
| Vc | 0.063 | m3/kmol | Relay (... Calculated Property |
Similar Compounds
Find more compounds similar to Oxygen anion.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) ⚠️ Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- McGowan Method
- NIST Webbook
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