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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-838.107509
Energy at 298.15K 
HF Energy-838.107509
Nuclear repulsion energy414.796974
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/6-31G(2df,p)
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' 893 808 0.00 6.27 0.00 0.00
2 A1' 714 646 0.00 0.85 0.75 0.86
3 A2" 1078 976 412.34 0.00 0.00 0.00
4 A2" 617 559 61.61 0.00 0.00 0.00
5 E' 1121 1015 291.20 0.35 0.75 0.86
5 E' 1121 1015 291.20 0.35 0.75 0.86
6 E' 578 524 48.06 0.27 0.75 0.86
6 E' 578 524 48.06 0.27 0.75 0.86
7 E' 193 175 0.36 0.12 0.75 0.86
7 E' 193 175 0.36 0.12 0.75 0.86
8 E" 550 498 0.00 0.48 0.75 0.86
8 E" 550 498 0.00 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4092.2 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 3705.5 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/6-31G(2df,p)
ABC
0.12868 0.10740 0.10740

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.516 0.000
F3 1.313 -0.758 0.000
F4 -1.313 -0.758 0.000
F5 0.000 0.000 1.551
F6 0.000 0.000 -1.551

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.51611.51611.51611.55141.5514
F21.51612.62602.62602.16922.1692
F31.51612.62602.62602.16922.1692
F41.51612.62602.62602.16922.1692
F51.55142.16922.16922.16923.1028
F61.55142.16922.16922.16923.1028

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/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.213      
2 F -0.098      
3 F -0.098      
4 F -0.098      
5 F -0.459      
6 F -0.459      


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 -35.597 0.000 0.000
y 0.000 -35.597 0.000
z 0.000 0.000 -39.164
Traceless
 xyz
x 1.783 0.000 0.000
y 0.000 1.783 0.000
z 0.000 0.000 -3.566
Polar
3z2-r2-7.133
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 2.845 0.000 0.000
y 0.000 2.845 0.000
z 0.000 0.000 2.940


<r2> (average value of r2) Å2
<r2> 128.362
(<r2>)1/2 11.330