- InChI
- InChI=1S/CO2/c2-1-3/q+1
- InChI Key
- PCDPTONYKSNEJX-UHFFFAOYSA-N
- Formula
- CO2+
- SMILES
- O=C=[O+]
- Molecular Weight1
- 44.01
- CAS
- 12181-61-2
- ω : Acentric Factor.
- 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).
- IE : Ionization energy (eV).
- 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 | 0.1978 | Relay (1.0) Calculated Property | |
| ΔfG° | -311.08 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -326.49 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 11.09 | kJ/mol | Joback Calculated Property |
| IE | 13.33 | eV | Relay (1.0) Calculated Property |
| logPoct/wat | -0.584 | Crippen Calculated Property | |
| McVol | 28.090 | ml/mol | McGowan Calculated Property |
| Pc | 10080.48 | kPa | Joback Calculated Property |
| Tboil | 166.15 | K | Relay (1.0) Calculated Property |
| Tc | 286.39 | K | Relay (1.0) Calculated Property |
| Tfus | 186.68 | K | Relay (1.0) Calculated Property |
| Vc | 0.094 | m3/kmol | Relay (1.0) Calculated Property |
Cheméo can also estimate Enthalpy of vaporization at standard conditions, 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 |
|---|---|---|---|---|
| Cp,gas | [32.53; 42.57] | J/mol×K | [203.35; 331.66] | 
|
| Cp,gas | 32.53 | J/mol×K | 203.35 | Joback Calculated Property |
| Cp,gas | 34.60 | J/mol×K | 224.73 | Joback Calculated Property |
| Cp,gas | 36.50 | J/mol×K | 246.12 | Joback Calculated Property |
| Cp,gas | 38.24 | J/mol×K | 267.50 | Joback Calculated Property |
| Cp,gas | 39.83 | J/mol×K | 288.89 | Joback Calculated Property |
| Cp,gas | 41.27 | J/mol×K | 310.27 | Joback Calculated Property |
| Cp,gas | 42.57 | J/mol×K | 331.66 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to CO2+.
Sources
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