Carbon monoxide (data page)

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Template:Short description This page provides supplementary chemical data on carbon monoxide.

Material safety data sheet

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

Structure and properties

Template:Chembox header | Structure and properties
Index of refraction, nD 1.0003364
Abbe number ?
Dielectric constant, εr ? ε0 at ? °C
Bond strength 1850 N/m
Bond length 0.111 nm
Bond energy 1079 kJ/mol
Bond angle Linear
Magnetic susceptibility ?

Thermodynamic properties

Template:Chembox header | 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)
Template:Chembox header | 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)
Template:Chembox header | Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		? kJ/mol
Standard molar entropy,
Soliquid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Template:Chembox header | 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

Template:Chembox header | UV-Vis
λmax 55 nm
Extinction coefficient, ε ?
Template:Chembox header | IR
Major absorption bands 2143 cm−1
13CO 2099.2 ± 4 cm−1
Template:Chembox header | NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
Template:Chembox header | MS
Masses of
main fragments 		 

References

Template:Chemical data page general note

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