return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for PF5 (Phosphorus pentafluoride)

using model chemistry: MP2=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-839.547981
Energy at 298.15K 
HF Energy-838.181432
Nuclear repulsion energy404.203986
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 MP2=FULL/6-311G**
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' 797 756 0.00 8.97 0.00 0.00
2 A1' 645 612 0.00 1.56 0.74 0.85
3 A2" 982 932 451.22 0.00 0.00 0.00
4 A2" 568 538 67.33 0.00 0.00 0.00
5 E' 1021 969 309.99 0.45 0.75 0.86
5 E' 1021 969 309.99 0.45 0.75 0.86
6 E' 527 500 51.84 0.89 0.75 0.86
6 E' 527 500 51.84 0.89 0.75 0.86
7 E' 171 163 0.19 0.32 0.75 0.86
7 E' 171 163 0.19 0.32 0.75 0.86
8 E" 503 477 0.00 1.63 0.75 0.86
8 E" 503 477 0.00 1.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3718.6 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 3527.5 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 MP2=FULL/6-311G**
ABC
0.12182 0.10212 0.10212

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.558 0.000
F3 1.349 -0.779 0.000
F4 -1.349 -0.779 0.000
F5 0.000 0.000 1.589
F6 0.000 0.000 -1.589

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.55821.55821.55821.58851.5885
F21.55822.69882.69882.22522.2252
F31.55822.69882.69882.22522.2252
F41.55822.69882.69882.22522.2252
F51.58852.22522.22522.22523.1770
F61.58852.22522.22522.22523.1770

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