- InChI
- InChI=1S/CF2O/c2-1(3)4
- InChI Key
- IYRWEQXVUNLMAY-UHFFFAOYSA-N
- Formula
- CF2O
- SMILES
- O=C(F)F
- Molecular Weight1
- 66.01
- CAS
- 353-50-4
- Other Names
-
- COF2
- Carbon difluoride oxide
- Carbon fluoride oxide
- Carbon fluoride oxide (COF2)
- Carbon oxyfluoride
- Carbon oxyfluoride (COF2)
- Carbonyl difluoride
- Carbonyl fluoride
- Difluoroformaldehyde
- Difluorooxomethane
- Difluorophosgene
- Fluophosgene
- Fluoroformyl fluoride
- Fluorophosgene
- Rcra waste number U033
- UN 2417
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°(+) ion : Enthalpy of formation of positive ion at standard conditions (kJ/mol).
- ΔfH(+) ion,0K : Enthalpy of formation of positive ion at 0K (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pvap : Vapor pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 666.70 | kJ/mol | NIST |
| BasG | 637.00 | kJ/mol | NIST |
| ΔfH°gas | [-640.60; -639.90] | kJ/mol |
|
| ΔfH°gas | -640.60 ± 5.90 | kJ/mol | NIST |
| ΔfH°gas | -639.90 ± 1.00 | kJ/mol | NIST |
| ΔfH°(+) ion | 649.00 | kJ/mol | NIST |
| ΔfH(+) ion,0K | 653.00 | kJ/mol | NIST |
| ΔfusH° | 6.10 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 15.68 | kJ/mol | Relay (1.0) Calculated Property |
| IE | [13.02; 14.60] | eV |
|
| IE | 13.04 ± 0.03 | eV | NIST |
| IE | 13.04 ± 0.03 | eV | NIST |
| IE | 13.04 | eV | NIST |
| IE | 13.02 | eV | NIST |
| IE | 13.20 ± 0.10 | eV | NIST |
| IE | Outlier 14.60 ± 0.10 | eV | NIST |
| IE | 13.60 | eV | NIST |
| logPoct/wat | 1.045 | Crippen Calculated Property | |
| McVol | 30.060 | ml/mol | McGowan Calculated Property |
| Tboil | 190.00 | K | NIST |
| Tc | 287.85 | K | Air Liquide Gas Encyclopedia |
| Tfus | 159.15 | K | Air Liquide Gas Encyclopedia |
Cheméo can also estimate Critical Pressure, Critical Volume, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔfusH | 6.70 | kJ/mol | 161.90 | NIST |
| ΔsubH | 23.20 | kJ/mol | 144.50 | NIST |
| ΔvapH | 20.00 | kJ/mol | 174.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [47.23; 74.43] | J/mol×K | [298.00; 1000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 1.73844e+01 | |||
| Coefficient B | 1.34481e+02 | |||
| Coefficient C | -1.12491e+02 | |||
| Coefficient D | 3.51583e+01 | |||
| Coefficient E | -1.03569e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-649.4823, G=243.9339, H=-638.8968; Data last reviewed in December, 1969 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 47.23 | J/mol×K | 298.00 | Calculated Property |
| Cp,gas | 53.18 | J/mol×K | 376.00 | Calculated Property |
| Cp,gas | 58.04 | J/mol×K | 454.00 | Calculated Property |
| Cp,gas | 62.02 | J/mol×K | 532.00 | Calculated Property |
| Cp,gas | 65.26 | J/mol×K | 610.00 | Calculated Property |
| Cp,gas | 67.89 | J/mol×K | 688.00 | Calculated Property |
| Cp,gas | 70.02 | J/mol×K | 766.00 | Calculated Property |
| Cp,gas | 71.75 | J/mol×K | 844.00 | Calculated Property |
| Cp,gas | 73.18 | J/mol×K | 922.00 | Calculated Property |
| Cp,gas | 74.43 | J/mol×K | 1000.00 | Calculated Property |
| Cp,gas | [74.35; 82.87] | J/mol×K | [1000.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 8.02064e+01 | |||
| Coefficient B | 1.67553e+00 | |||
| Coefficient C | -3.44860e-01 | |||
| Coefficient D | 2.42110e-02 | |||
| Coefficient E | -7.21058e+00 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-681.6113, G=328.8193, H=-638.8968; Data last reviewed in December, 1969 | |||
| Temperature range, min. | 1000.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 74.35 | J/mol×K | 1000.00 | Calculated Property |
| Cp,gas | 79.09 | J/mol×K | 1555.56 | Calculated Property |
| Cp,gas | 80.82 | J/mol×K | 2111.11 | Calculated Property |
| Cp,gas | 81.67 | J/mol×K | 2666.67 | Calculated Property |
| Cp,gas | 82.14 | J/mol×K | 3222.22 | Calculated Property |
| Cp,gas | 82.41 | J/mol×K | 3777.78 | Calculated Property |
| Cp,gas | 82.58 | J/mol×K | 4333.33 | Calculated Property |
| Cp,gas | 82.68 | J/mol×K | 4888.89 | Calculated Property |
| Cp,gas | 82.77 | J/mol×K | 5444.44 | Calculated Property |
| Cp,gas | 82.87 | J/mol×K | 6000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.68] | kPa | [142.83; 201.85] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.41385e+01 | |||
| Coefficient B | -1.43630e+03 | |||
| Coefficient C | -3.91300e+01 | |||
| Temperature range, min. | 142.83 | |||
| Temperature range, max. | 201.85 | |||
| Pvap | 1.33 | kPa | 142.83 | Calculated Property |
| Pvap | 3.04 | kPa | 149.39 | Calculated Property |
| Pvap | 6.32 | kPa | 155.95 | Calculated Property |
| Pvap | 12.14 | kPa | 162.50 | Calculated Property |
| Pvap | 21.85 | kPa | 169.06 | Calculated Property |
| Pvap | 37.16 | kPa | 175.62 | Calculated Property |
| Pvap | 60.20 | kPa | 182.18 | Calculated Property |
| Pvap | 93.48 | kPa | 188.73 | Calculated Property |
| Pvap | 139.90 | kPa | 195.29 | Calculated Property |
| Pvap | 202.68 | kPa | 201.85 | Calculated Property |
| Pvap | [14.63; 105.23] | kPa | [163.60; 189.17] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.38063e+01 | |||
| Coefficient B | -1.31907e+03 | |||
| Coefficient C | -4.50110e+01 | |||
| Reference | Pace and Reno, 1968 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 163.60 | |||
| Temperature range, max. | 189.17 | |||
| Pvap | 14.63 | kPa | 163.60 | Calculated Property |
| Pvap | 18.98 | kPa | 166.44 | Calculated Property |
| Pvap | 24.33 | kPa | 169.28 | Calculated Property |
| Pvap | 30.85 | kPa | 172.12 | Calculated Property |
| Pvap | 38.70 | kPa | 174.96 | Calculated Property |
| Pvap | 48.09 | kPa | 177.81 | Calculated Property |
| Pvap | 59.22 | kPa | 180.65 | Calculated Property |
| Pvap | 72.29 | kPa | 183.49 | Calculated Property |
| Pvap | 87.55 | kPa | 186.33 | Calculated Property |
| Pvap | 105.23 | kPa | 189.17 | Calculated Property |
Similar Compounds
Find more compounds similar to Carbonic difluoride.
Sources
- Air Liquide Gas Encyclopedia
- 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
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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