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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-125.803017
Energy at 298.15K 
HF Energy-125.803017
Nuclear repulsion energy167.017987
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 HF/CEP-121G*
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' 855 772 0.00 7.52 0.00 0.00
2 A1' 685 619 0.00 1.36 0.74 0.85
3 A2" 1016 918 482.51 0.00 0.00 0.00
4 A2" 595 538 75.31 0.00 0.00 0.00
5 E' 1079 975 332.71 0.55 0.75 0.86
5 E' 1079 975 332.71 0.55 0.75 0.86
6 E' 551 498 58.05 0.46 0.75 0.86
6 E' 551 498 58.05 0.46 0.75 0.86
7 E' 181 163 0.48 0.18 0.75 0.86
7 E' 181 163 0.48 0.18 0.75 0.86
8 E" 528 477 0.00 0.74 0.75 0.86
8 E" 528 477 0.00 0.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3913.6 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 3535.5 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 HF/CEP-121G*
ABC
0.12411 0.10330 0.10330

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.544 0.000
F3 1.337 -0.772 0.000
F4 -1.337 -0.772 0.000
F5 0.000 0.000 1.583
F6 0.000 0.000 -1.583

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.54381.54381.54381.58341.5834
F21.54382.67392.67392.21142.2114
F31.54382.67392.67392.21142.2114
F41.54382.67392.67392.21142.2114
F51.58342.21142.21142.21143.1669
F61.58342.21142.21142.21143.1669

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
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.309      
2 F -0.246      
3 F -0.246      
4 F -0.246      
5 F -0.286      
6 F -0.286      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.958 0.000 0.000
y 0.000 -35.958 0.000
z 0.000 0.000 -40.081
Traceless
 xyz
x 2.061 0.000 0.000
y 0.000 2.061 0.000
z 0.000 0.000 -4.123
Polar
3z2-r2-8.246
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.782 0.000 0.000
y 0.000 2.782 0.000
z 0.000 0.000 2.869


<r2> (average value of r2) Å2
<r2> 108.466
(<r2>)1/2 10.415