- InChI
- InChI=1S/H2O/h1H2/i1+2
- InChI Key
- XLYOFNOQVPJJNP-NJFSPNSNSA-N
- Formula
- H218O
- SMILES
- O
- Molecular Weight1
- 20.02
- CAS
- 14314-42-2
- 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 | 0.2914 | Relay (1.0) Calculated Property | |
| ΔfG° | -184.72 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | -219.54 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 18.98 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 12.62 ± 0.00 | eV | NIST |
| log10WS | -0.06 | Relay (1.0) Calculated Property | |
| logPoct/wat | -0.825 | Crippen Calculated Property | |
| McVol | 16.730 | ml/mol | McGowan Calculated Property |
| Pc | 22070.36 | kPa | Relay (1.0-beta) Calculated Property |
| Tboil | 363.35 | K | Relay (1.0) Calculated Property |
| Tc | 606.45 | K | Relay (1.0) Calculated Property |
| Tfus | 273.43 ± 0.03 | K | NIST |
| Vc | 0.049 | m3/kmol | Relay (1.0) Calculated Property |
Similar Compounds
Find more compounds similar to Water-18O.
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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