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Experimental data for PO (Phosphorus monoxide)

22 02 02 11 45
Other names
Phosphorus oxide;
INChI INChIKey SMILES IUPAC name
InChI=1S/OP/c1-2 LFGREXWGYUGZLY-UHFFFAOYSA-N [P]=O
State Conformation
2Π C*V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -27.85 3.20 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation -27.54 3.20 kJ mol-1 Gurvich
Entropy (298.15K) entropy 222.74   J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 9.39   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 31.76   J K-1 mol-1 Gurvich
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 Σ 1220 1233 1979HUB/HER      

Detailed diatomic data
ωe ωexe ωeye Be αe ZPE reference
1233.34 6.56 0.7332237 5.466162E-03 615.1402 2007Iri:389
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