- InChI
- InChI=1S/C2H2/c1-2/h1H2
- InChI Key
- SNVLJLYUUXKWOJ-UHFFFAOYSA-N
- Formula
- C2H2
- SMILES
- [C]=C
- Molecular Weight1
- 26.04
- CAS
- 2143-69-3
- 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 | 0.1547 | Relay (... Calculated Property | |
| EA | [0.43; 0.49] | eV |
|
| EA | 0.48 ± 0.01 | eV | NIST |
| EA | 0.45 ± 0.00 | eV | NIST |
| EA | 0.48 ± 0.21 | eV | NIST |
| EA | 0.49 ± 0.01 | eV | NIST |
| EA | 0.47 ± 0.02 | eV | NIST |
| EA | 0.43 | eV | NIST |
| ΔfG° | -13.79 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | 139.61 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 13.30 | kJ/mol | Relay (... Calculated Property |
| IE | 10.38 | eV | Relay (... Calculated Property |
| log10WS | -0.37 | Relay (... Calculated Property | |
| logPoct/wat | 0.482 | Crippen Calculated Property | |
| McVol | 30.440 | ml/mol | McGowan Calculated Property |
| Pc | 5223.65 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 210.37 | K | Relay (... Calculated Property |
| Tc | 296.16 | K | Relay (... Calculated Property |
| Tfus | 95.98 | K | Relay (... Calculated Property |
| Vc | 0.123 | m3/kmol | Relay (... Calculated Property |
Similar Compounds
Find more compounds similar to CH2=C.
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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