- InChI
- InChI=1S/C2H2F2/c3-1-2-4/h1-2H/b2-1-
- InChI Key
- WFLOTYSKFUPZQB-UPHRSURJSA-N
- Formula
- C2H2F2
- SMILES
- FC=CF
- Molecular Weight1
- 64.03
- CAS
- 1630-77-9
- Other Names
-
- Ethene, 1,2-difluoro-, (Z)-
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion 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).
- Inp : Non-polar retention indices.
- 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 |
|---|---|---|---|
| ΔfG° | -343.44 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -359.61 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 7.30 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 18.37 | kJ/mol | Joback Calculated Property |
| IE | [10.10; 10.62] | eV |
|
| IE | 10.20 | eV | NIST |
| IE | 10.20 | eV | NIST |
| IE | 10.10 | eV | NIST |
| IE | 10.23 ± 0.02 | eV | NIST |
| IE | 10.20 ± 0.02 | eV | NIST |
| IE | 10.23 | eV | NIST |
| IE | Outlier 10.62 ± 0.02 | eV | NIST |
| IE | 10.44 ± 0.02 | eV | NIST |
| IE | 10.41 ± 0.02 | eV | NIST |
| IE | 10.43 | eV | NIST |
| log10WS | -1.21 | Crippen Calculated Property | |
| logPoct/wat | 1.397 | Crippen Calculated Property | |
| McVol | 38.280 | ml/mol | McGowan Calculated Property |
| Pc | 4769.39 | kPa | Joback Calculated Property |
| Inp | 263.00 | NIST | |
| Tboil | 247.86 | K | Joback Calculated Property |
| Tc | 394.67 | K | Joback Calculated Property |
| Tfus | 108.40 | K | Joback Calculated Property |
| Vc | 0.164 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [46.61; 65.74] | J/mol×K | [247.86; 394.67] |
|
| Cp,gas | 46.61 | J/mol×K | 247.86 | Joback Calculated Property |
| Cp,gas | 50.21 | J/mol×K | 272.33 | Joback Calculated Property |
| Cp,gas | 53.63 | J/mol×K | 296.80 | Joback Calculated Property |
| Cp,gas | 56.89 | J/mol×K | 321.27 | Joback Calculated Property |
| Cp,gas | 59.99 | J/mol×K | 345.73 | Joback Calculated Property |
| Cp,gas | 62.94 | J/mol×K | 370.20 | Joback Calculated Property |
| Cp,gas | 65.74 | J/mol×K | 394.67 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to (Z)-1,2-Difluoroethylene.
Sources
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Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.