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

using model chemistry: MP2=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-834.259083
Energy at 298.15K 
HF Energy-833.578744
Nuclear repulsion energy392.742783
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/3-21G
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' 794 758 0.00 13.05 0.00 0.01
2 A1' 737 703 0.00 2.80 0.70 0.82
3 A2" 1080 1031 257.96 0.00 0.00 0.00
4 A2" 505 482 79.61 0.00 0.00 0.00
5 E' 1099 1049 185.96 0.93 0.75 0.86
5 E' 1099 1049 185.96 0.93 0.75 0.86
6 E' 469 448 74.81 1.30 0.75 0.86
6 E' 469 448 74.81 1.30 0.75 0.86
7 E' 175 167 0.13 0.44 0.75 0.86
7 E' 175 167 0.13 0.44 0.75 0.86
8 E" 437 417 0.00 2.22 0.75 0.86
8 E" 437 417 0.00 2.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3736.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 3567.8 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/3-21G
ABC
0.11457 0.09658 0.09658

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.607 0.000
F3 1.391 -0.803 0.000
F4 -1.391 -0.803 0.000
F5 0.000 0.000 1.630
F6 0.000 0.000 -1.630

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.60681.60681.60681.63021.6302
F21.60682.78302.78302.28892.2889
F31.60682.78302.78302.28892.2889
F41.60682.78302.78302.28892.2889
F51.63022.28892.28892.28893.2603
F61.63022.28892.28892.28893.2603

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