Wikipedia

Carbon monoxide (data page)

This page provides supplementary chemical data oncarbon monoxide.

Material safety data sheet

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

Structure and properties

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Structure and properties
Index of refraction,nD 1.0003364
Abbe number ?
Dielectric constant,εr ?ε0at? °C
Bond strength 1850 N/m
Bond length 0.111 nm
Bond energy 1079 kJ/mol
Bond angle Linear
Magnetic susceptibility ?

Thermodynamic properties

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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 (3.1×102kg/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

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UV-Vis
λmax 55nm
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

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