- InChI
- InChI=1S/HO2P/c1-3-2/h3H
- InChI Key
- CJDZTJNITSFKRE-UHFFFAOYSA-N
- Formula
- O2P
- SMILES
- O=[PH]=O
- Molecular Weight1
- 62.97
- CAS
- 12164-97-5
- ω : Acentric Factor.
- EA : Electron affinity (eV).
- 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 | 0.3340 | Relay (... Calculated Property | |
| EA | [3.00; 3.80] | eV |
|
| EA | 3.42 ± 0.01 | eV | NIST |
| EA | 3.80 ± 0.22 | eV | NIST |
| EA | 3.30 ± 0.20 | eV | NIST |
| EA | 3.00 | eV | NIST |
| ΔfG° | -290.54 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -287.20 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 30.75 | kJ/mol | Relay (... Calculated Property |
| IE | [10.50; 11.90] | eV |
|
| IE | 11.90 ± 0.50 | eV | NIST |
| IE | 10.50 ± 0.10 | eV | NIST |
| IE | 11.50 ± 0.50 | eV | NIST |
| IE | 11.00 ± 1.00 | eV | NIST |
| log10WS | 1.32 | Relay (... Calculated Property | |
| logPoct/wat | 0.356 | Crippen Calculated Property | |
| McVol | 38.760 | ml/mol | McGowan Calculated Property |
| Pc | 8135.04 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 298.99 | K | Relay (... Calculated Property |
| Tc | 441.74 | K | Relay (... Calculated Property |
| Tfus | 184.35 | K | Relay (... Calculated Property |
| Vc | 0.132 | m3/kmol | Relay (... Calculated Property |
Similar Compounds
Find more compounds similar to Phosphorus dioxide.
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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