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All results from a given calculation for PF5 (Phosphorus pentafluoride)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-839.015260
Energy at 298.15K 
HF Energy-838.048002
Nuclear repulsion energy403.714678
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 MP3/6-31G*
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' 822 771 0.00      
2 A1' 696 653 0.00      
3 A2" 1037 973 404.42      
4 A2" 563 529 56.72      
5 E' 1065 1000 276.29      
5 E' 1065 1000 276.29      
6 E' 524 492 48.01      
6 E' 524 492 48.01      
7 E' 185 173 0.12      
7 E' 185 173 0.12      
8 E" 496 465 0.00      
8 E" 496 465 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3828.6 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 3593.5 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 MP3/6-31G*
ABC
0.12151 0.10188 0.10188

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.560 0.000
F3 1.351 -0.780 0.000
F4 -1.351 -0.780 0.000
F5 0.000 0.000 1.590
F6 0.000 0.000 -1.590

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.56021.56021.56021.59031.5903
F21.56022.70232.70232.22782.2278
F31.56022.70232.70232.22782.2278
F41.56022.70232.70232.22782.2278
F51.59032.22782.22782.22783.1806
F61.59032.22782.22782.22783.1806

picture of Phosphorus pentafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 P1 F3 120.000 F2 P1 F4 120.000
F2 P1 F5 90.000 F2 P1 F6 90.000
F3 P1 F4 120.000 F3 P1 F5 90.000
F3 P1 F6 90.000 F4 P1 F5 90.000
F4 P1 F6 90.000 F5 P1 F6 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability