Carbon monoxide (data page)

This page provides supplementary chemical data on carbon monoxide.

Contents

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.

Structure and properties

Structure and properties
Index of refraction, nD  ?
Abbe number ?
Dielectric constant, εr  ? ε0 at ? °C
Bond strength 1850 N/m
Bond length 0.111nm
Bond Energy 1079 kJ/mol
Bond angle Linear
Magnetic susceptibility  ?

Thermodynamic properties

Phase behavior
Triple point 67.9 K (-205.1 °C), 15.35 kPa
Critical point 132.7 K (-140.3 °C), 3498 kPa, 11.1 mol/l (3.1*102 kg/m3)
Std enthalpy change
of fusion
, ΔfusHo
 ? kJ/mol
Std entropy change
of fusion
, ΔfusSo
 ? J/(mol·K)
Std enthalpy change
of vaporization
, ΔvapHo
 ? kJ/mol
Std entropy change
of vaporization
, ΔvapSo
 ? J/(mol·K)
Std enthalpy change
of sublimation
, ΔsubHo
8 kJ/mol (at 51-68 K)
Std entropy change
of sublimation
, ΔsubSo
 ? J/(mol·K)
Solid properties
Std enthalpy change
of formation
, ΔfHosolid
-110.5 kJ/mol
Standard molar entropy,
Sosolid
 ? J/(mol K)
Heat capacity, cp  ? J/(mol K)
Liquid properties
Std enthalpy change
of formation
, ΔfHoliquid
 ? kJ/mol
Standard molar entropy,
Soliquid
 ? J/(mol K)
Heat capacity, cp  ? J/(mol K)
Gas properties
Std enthalpy change
of formation
, ΔfHogas
−110.53 kJ/mol
Std enthalpy change
of combustion
, ΔcHogas
−283.0 kJ/mol
Standard molar entropy,
Sogas
197.66 J/(mol K)
Heat capacity, cp 29 J/(mol K)

Spectral data

UV-Vis
λmax  ? nm
Extinction coefficient, ε  ?
IR
Major absorption bands 2143 cm−1
13CO 2099.2 ± 4 cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments
 

References

Except where noted otherwise, data relate to standard ambient temperature and pressure.

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