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Experimental data for PH2- (Phosphino anion)

22 02 02 11 45
Other names
Phosphino; Phosphino radical;
INChI INChIKey SMILES IUPAC name
InChI=1S/H2P/h1H2 FVZVCSNXTFCBQU-UHFFFAOYSA-N [PH2]
State Conformation
2B1 C2V
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 119.55 6.20 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation 123.40 6.20 kJ mol-1 Gurvich
Entropy (298.15K) entropy 212.61   J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 9.98   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 34.45   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 A1 2310   webbook      
2 A1 1102   1998Gup/Pra:1607      

Calculated vibrational frequencies for PH2- (Phosphino anion).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
9.12000 8.08700 4.22500 1966Herzberg

Calculated rotational constants for PH2- (Phosphino anion).
Product of moments of inertia moments of inertia
15.37378amu3Å6   7.03960962008743E-119gm3 cm6
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