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Experimental data for PH (phosphorus monohydride)

22 02 02 11 45
Other names
Phosphinidene;
INChI INChIKey SMILES IUPAC name
InChI=1S/HP/h1H BHEPBYXIRTUNPN-UHFFFAOYSA-N [PH]
State Conformation
3Σ- 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 253.55 33.50 kJ mol-1 JANAF
Hfg(0K) enthalpy of formation 254.49 33.50 kJ mol-1 JANAF
Entropy (298.15K) entropy 196.34   J K-1 mol-1 JANAF
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 8.65   kJ mol-1 JANAF
Heat Capacity (298.15K) heat capacity 29.17   J K-1 mol-1 webbook
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 2276 2364 2007Iri:389      

Detailed diatomic data
ωe ωexe ωeye Be αe ZPE reference
2363.773 43.9074 0.1059 8.53904 0.253387 1171.927 2007Iri:389

vibrational zero-point energy: 1138.2 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for PH (phosphorus monohydride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  8.53904   2007Iri:389

Calculated rotational constants for PH (phosphorus monohydride).
Product of moments of inertia moments of inertia
1.974183amu Å2   3.278254E-40gm cm2
Geometric Data
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