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. MSDS from Advanced Gas Technologies in the SDSdata.org database
Structure and properties
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
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 changeof fusion, ΔfusHo ? kJ/mol Std entropy changeof fusion, ΔfusSo ? J/(mol K) Std enthalpy changeof vaporization, ΔvapHo ? kJ/mol Std entropy changeof vaporization, ΔvapSo ? J/(mol K) Std enthalpy changeof sublimation, ΔsubHo 8 kJ/mol (at 51–68 K) Std entropy changeof sublimation, ΔsubSo ? J/(mol·K) Solid properties Std enthalpy changeof formation, ΔfHosolid −110.5 kJ/mol Standard molar entropy,Sosolid ? J/(mol K) Heat capacity, cp ? J/(mol K) Liquid properties Std enthalpy changeof formation, ΔfHoliquid ? kJ/mol Standard molar entropy,Soliquid ? J/(mol K) Heat capacity, cp ? J/(mol K) Gas properties Std enthalpy changeof formation, ΔfHogas −110.53 kJ/mol Std enthalpy changeof 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 55 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