Chemical Properties of Carbonyl sulfide (CAS 463-58-1)

Carbonyl sulfide

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InChI
InChI=1S/COS/c2-1-3
InChI Key
JJWKPURADFRFRB-UHFFFAOYSA-N
Formula
COS
SMILES
O=C=S
Molecular Weight1
60.08
CAS
463-58-1
Other Names
  • COS
  • Carbon oxide sulfide
  • Carbon oxide sulphide
  • Carbon oxysulfide
  • Oxycarbon sulfide
  • UN 2204
  • carbonyl sulphide
Sources

Physical Properties

Property Value Unit Source
PAff 628.50 kJ/mol NIST
BasG 602.60 kJ/mol NIST
EA 0.46 ± 0.20 eV NIST
EA 0.40 eV NIST
Δf -27.13 kJ/mol Joback Calculated Property
Δfgas -139.00 ± 1.00 kJ/mol NIST
Δfgas -139.00 ± 1.00 kJ/mol NIST
Δf(+) ion 937.00 kJ/mol NIST
ΔfH(+) ion,0K 937.00 kJ/mol NIST
Δfus 11.59 kJ/mol Joback Calculated Property
Δvap 30.69 kJ/mol Joback Calculated Property
IE [11.00; 11.30] eV Show Hide
IE 11.18 ± 0.01 eV NIST
IE 11.19 ± 0.00 eV NIST
IE Outlier 11.00 ± 1.00 eV NIST
IE 11.17 ± 0.00 eV NIST
IE 11.18 ± 0.00 eV NIST
IE 11.19 ± 0.05 eV NIST
IE 11.17 ± 0.00 eV NIST
IE 11.19 eV NIST
IE 11.22 eV NIST
IE 11.18 ± 0.01 eV NIST
IE Outlier 11.30 eV NIST
IE 11.19 ± 0.01 eV NIST
IE 11.23 ± 0.01 eV NIST
IE 11.18 ± 0.01 eV NIST
IE 11.18 ± 0.01 eV NIST
IE 11.22 ± 0.01 eV NIST
IE 11.23 ± 0.01 eV NIST
IE 11.18 ± 0.01 eV NIST
IE 11.22 eV NIST
IE 11.19 eV NIST
logPoct/wat 0.25 Crippen Calculated Property
Pc 6349.00 ± 5.00 kPa NIST
liquid 136.31 J/mol×K NIST
Tboil 282.43 K Joback Calculated Property
Tc 378.80 ± 0.10 K NIST
Tfus 176.76 K Joback Calculated Property
Ttriple 134.31 ± 0.20 K NIST
Ttriple 134.33 ± 0.02 K NIST
Vc 0.14 ± 0.00 m3/kg-mol NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 46.99 J/mol×K 282.43 Joback Calculated Property
Cp,liquid 71.25 J/mol×K 220.0 NIST
ΔfusH 4.73 kJ/mol 134.3 NIST
ΔfusH 4.73 kJ/mol 134.33 NIST
ΔvapH [18.30; 20.40] kJ/mol [182.00; 331.50] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 19.50 kJ/mol 182.0 NIST
ΔvapH 19.50 kJ/mol 193.0 NIST
ΔvapH 19.00 ± 0.10 kJ/mol 214.0 NIST
ΔvapH 20.40 kJ/mol 222.5 NIST
ΔvapH 18.51 kJ/mol 222.91 NIST
ΔvapH 18.30 kJ/mol 331.5 NIST
ΔfusS 35.20 J/mol×K 134.33 NIST
ΔvapS 83.02 J/mol×K 222.91 NIST

Molecular Descriptors

Joback and Reid Groups
=C= 1
=O 1
-S- 1

Similar Compounds

Thioformaldehyde. Formaldehyde. Formyl radical. Carbon monoxide. Formyl cation. Carbon disulfide. Carbon disulfide cation. Carbon dioxide. CO2+. Dicarbon monoxide. HCO2 anion. Thiocarbonyl selenide. Sulfine. Praseodymium isothiocyanate heptahydrate. sodium formate.

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