Chemical Properties of Carbon dioxide (CAS 124-38-9)

Carbon dioxide

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InChI
InChI=1S/CO2/c2-1-3
InChI Key
CURLTUGMZLYLDI-UHFFFAOYSA-N
Formula
CO2
SMILES
O=C=O
Molecular Weight1
44.01
CAS
124-38-9
Other Names
  • Anhydride carbonique
  • CO2
  • Carbon oxide (CO2)
  • Carbonic acid anhydride
  • Carbonic acid, gas
  • Carbonic anhydride
  • Carbonica
  • Cardice
  • Dricold
  • Drikold
  • Dry ice
  • Khladon 744
  • Kohlendioxyd
  • Kohlensaure
  • R 744
  • UN 1013
  • UN 1845
  • UN 2187
Sources

Physical Properties

Property Value Unit Source
PAff 540.50 kJ/mol NIST
BasG 515.80 kJ/mol NIST
EA -0.60 eV NIST
EA -1.60 ± 0.10 eV NIST
Δf -311.08 kJ/mol Joback Calculated Property
Δfgas -393.51 ± 0.13 kJ/mol NIST
Δfus 11.09 kJ/mol Joback Calculated Property
Δvap 29.78 kJ/mol Joback Calculated Property
IE [13.00; 13.90] eV Show Hide
IE 13.78 ± 0.00 eV NIST
IE 13.78 ± 0.00 eV NIST
IE 13.78 eV NIST
IE 13.78 ± 0.00 eV NIST
IE Outlier 13.00 ± 1.00 eV NIST
IE 13.89 ± 0.03 eV NIST
IE 13.79 ± 0.05 eV NIST
IE 13.77 eV NIST
IE 13.78 ± 0.00 eV NIST
IE 13.83 ± 0.05 eV NIST
IE 13.79 eV NIST
IE 13.78 ± 0.00 eV NIST
IE 13.77 ± 0.00 eV NIST
IE 13.90 ± 0.20 eV NIST
IE 13.78 ± 0.01 eV NIST
IE 13.78 eV NIST
IE 13.77 ± 0.00 eV NIST
IE 13.80 ± 0.01 eV NIST
IE 13.79 ± 0.01 eV NIST
IE 13.78 ± 0.01 eV NIST
IE 13.77 eV NIST
IE 13.75 ± 0.05 eV NIST
IE 13.77 ± 0.00 eV NIST
IE 13.77 ± 0.03 eV NIST
IE 13.77 eV NIST
IE 13.78 eV NIST
IE 13.78 eV NIST
IE 13.79 eV NIST
logPoct/wat -0.58 Crippen Calculated Property
Pc 7380.00 ± 15.00 kPa NIST
Pc 7340.00 ± 50.00 kPa NIST
Pc 7382.50 ± 0.50 kPa NIST
Ptriple 518.50 ± 0.50 kPa NIST
gas,1 bar 213.78 ± 0.01 J/mol×K NIST
Tboil 203.15 K Joback Calculated Property
Tc [304.10; 304.35] K Show Hide
Tc 304.18 ± 0.04 K NIST
Tc 304.10 ± 0.10 K NIST
Tc 304.35 ± 0.40 K NIST
Tc 304.20 ± 0.02 K NIST
Tc 304.23 K NIST
Tfus 144.44 K Joback Calculated Property
Ttriple 216.58 ± 0.01 K NIST
Ttriple 216.58 ± 0.03 K NIST
Vc 0.09 ± 0.00 m3/kg-mol NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 32.51 J/mol×K 203.15 Joback Calculated Property
ΔsubH [25.20; 27.20] kJ/mol [86.00; 207.00] Show Hide
Plot of Enthalpy of sublimation at a given temperature.
ΔsubH 27.20 ± 0.40 kJ/mol 86.0 NIST
ΔsubH 26.30 kJ/mol 167.0 NIST
ΔsubH 25.20 kJ/mol 175.0 NIST
ΔsubH 25.90 kJ/mol 188.5 NIST
ΔsubH 26.10 kJ/mol 207.0 NIST
ΔvapH 16.40 kJ/mol 244.5 NIST
ΔvapH 16.50 kJ/mol 285.0 NIST
ΔvapH 16.70 kJ/mol 288.5 NIST

Molecular Descriptors

Joback and Reid Groups
=C= 1
=O 2

Similar Compounds

CO2+. Formaldehyde. Carbon monoxide. Formyl cation. Formyl radical. Rubidium formate. Hydrocarboxyl radical. sodium formate. Lithium formate. HCO2 anion. Dicarbon monoxide. Methyl-d1 radical, oxo-. Carbonyl sulfide. Isocyanato radical. Formamide.

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.