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All results from a given calculation for PF2 (Phosphorus difluoride)

using model chemistry: CCSD(T)/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-540.395634
Energy at 298.15K 
HF Energy-539.739121
Nuclear repulsion energy107.546493
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD(T)/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 849 838        
2 A1 357 353        
3 B2 833 822        

Unscaled Zero Point Vibrational Energy (zpe) 1019.6 cm-1
Scaled (by 0.9869) Zero Point Vibrational Energy (zpe) 1006.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-311+G(3df,2p)
ABC
0.91138 0.30589 0.22902

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.568
F2 0.000 1.204 -0.473
F3 0.000 -1.204 -0.473

Atom - Atom Distances (Å)
  P1 F2 F3
P11.59201.5920
F21.59202.4087
F31.59202.4087

picture of Phosphorus difluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 P1 F3 98.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability