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This page provides supplementary chemical data on carbon monoxide.
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 | |
|---|---|
| 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 | ? |
| 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, ΔfusH |
? kJ/mol |
| Std entropy change of fusion, ΔfusS |
? J/(mol K) |
| Std enthalpy change of vaporization, ΔvapH |
? kJ/mol |
| Std entropy change of vaporization, ΔvapS |
? J/(mol K) |
| Std enthalpy change of sublimation, ΔsubH |
8 kJ/mol (at 51–68 K) |
| Std entropy change of sublimation, ΔsubS |
? J/(mol·K) |
| Solid properties | |
| Std enthalpy change of formation, ΔfH |
−110.5 kJ/mol |
| Standard molar entropy, S |
? J/(mol K) |
| Heat capacity, cp | ? J/(mol K) |
| Liquid properties | |
| Std enthalpy change of formation, ΔfH |
? kJ/mol |
| Standard molar entropy, S |
? J/(mol K) |
| Heat capacity, cp | ? J/(mol K) |
| Gas properties | |
| Std enthalpy change of formation, ΔfH |
−110.53 kJ/mol |
| Std enthalpy change of combustion, ΔcH |
−283.0 kJ/mol |
| Standard molar entropy, S |
197.66 J/(mol K) |
| Heat capacity, cp | 29 J/(mol K) |
| 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 |
|
