- InChI
- InChI=1S/O
- InChI Key
- QVGXLLKOCUKJST-UHFFFAOYSA-N
- Formula
- O
- SMILES
- [O]
- Molecular Weight1
- 16.00
- CAS
- 17778-80-2
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- EA : Electron affinity (eV).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- S°gas,1 bar : Molar entropy at standard conditions (1 bar) (J/mol×K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 485.20 | kJ/mol | NIST |
| BasG | 459.60 | kJ/mol | NIST |
| EA | [1.44; 1.46] | eV |
|
| EA | 1.44 ± 0.00 | eV | NIST |
| EA | 1.46 ± 0.00 | eV | NIST |
| EA | 1.46 ± 0.00 | eV | NIST |
| EA | 1.46 ± 0.00 | eV | NIST |
| EA | 1.46 ± 0.00 | eV | NIST |
| ΔfH°gas | 249.18 ± 0.10 | kJ/mol | NIST |
| IE | [13.00; 14.00] | eV |
|
| IE | 13.62 | eV | NIST |
| IE | 13.62 | eV | NIST |
| IE | 13.62 | eV | NIST |
| IE | Outlier 13.00 ± 0.50 | eV | NIST |
| IE | 13.62 | eV | NIST |
| IE | 14.00 ± 1.00 | eV | NIST |
| IE | 14.00 ± 0.50 | eV | NIST |
| IE | 13.62 | eV | NIST |
| IE | 13.62 | eV | NIST |
| IE | 13.62 | eV | NIST |
| S°gas,1 bar | 161.06 ± 0.00 | J/mol×K | NIST |
Sources
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Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.