return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-839.135943
Energy at 298.15K 
HF Energy-838.045582
Nuclear repulsion energy396.371354
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)/cc-pVDZ
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' 776 760        
2 A1' 668 653        
3 A2" 999 977        
4 A2" 532 521        
5 E' 1016 995        
5 E' 1016 995        
6 E' 497 487        
6 E' 497 487        
7 E' 154 151        
7 E' 154 151        
8 E" 467 457        
8 E" 467 457        

Unscaled Zero Point Vibrational Energy (zpe) 3621.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 3544.5 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 CCSD(T)/cc-pVDZ
ABC
0.11720 0.09818 0.09818

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.589 0.000
F3 1.376 -0.794 0.000
F4 -1.376 -0.794 0.000
F5 0.000 0.000 1.621
F6 0.000 0.000 -1.621

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.58861.58861.58861.62061.6206
F21.58862.75152.75152.26932.2693
F31.58862.75152.75162.26932.2693
F41.58862.75152.75162.26932.2693
F51.62062.26932.26932.26933.2411
F61.62062.26932.26932.26933.2411

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