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Experimental data for CP (Carbon monophosphide)

22 02 02 11 45
Other names
Carbon phosphide;
INChI INChIKey SMILES IUPAC name
InChI=1S/CP/c1-2 GDPLAAHPHNAIGW-UHFFFAOYSA-N [C]=[P]
State Conformation
2Σ 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 520.16 8.00 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation 517.86 8.00 kJ mol-1 Gurvich
Entropy (298.15K) entropy 216.25 0.20 J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 8.72   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 29.91   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 1226 1240 2007Iri:389      

Detailed diatomic data
ωe ωexe ωeye Be αe ZPE reference
1239.799 6.833769 -0.0013769 0.7988678 5.96933E-03 618.2003 2007Iri:389

vibrational zero-point energy: 613.1 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for CP (Carbon monophosphide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  0.79887   2007Iri:389

Calculated rotational constants for CP (Carbon monophosphide).
Product of moments of inertia moments of inertia
21.1019amu Å2   3.504108E-39gm cm2
Geometric Data
picture of Carbon monophosphide

Point Group C∞v

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