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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-833.581875
Energy at 298.15K 
HF Energy-833.581875
Nuclear repulsion energy399.206358
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 867 785 0.00 9.89 0.00 0.01
2 A1' 790 715 0.00 2.13 0.73 0.85
3 A2" 1164 1054 321.52 0.00 0.00 0.00
4 A2" 545 493 99.89 0.00 0.00 0.00
5 E' 1180 1068 231.02 0.95 0.75 0.86
5 E' 1180 1068 231.02 0.95 0.75 0.86
6 E' 507 459 98.63 0.95 0.75 0.86
6 E' 507 459 98.63 0.95 0.75 0.86
7 E' 187 169 0.43 0.29 0.75 0.86
7 E' 187 169 0.43 0.29 0.75 0.86
8 E" 473 429 0.00 1.66 0.75 0.86
8 E" 473 429 0.00 1.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4029.6 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 3649.2 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/3-21G
ABC
0.11841 0.09977 0.09977

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 1.580 0.000
F3 1.369 -0.790 0.000
F4 -1.369 -0.790 0.000
F5 0.000 0.000 1.604
F6 0.000 0.000 -1.604

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.58051.58051.58051.60421.6042
F21.58052.73742.73742.25202.2520
F31.58052.73742.73742.25202.2520
F41.58052.73742.73742.25202.2520
F51.60422.25202.25202.25203.2084
F61.60422.25202.25202.25203.2084

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 2.385      
2 F -0.457      
3 F -0.457      
4 F -0.457      
5 F -0.507      
6 F -0.507      


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 0.000 0.000 0.000 0.000
AIM        
ESP -0.002 0.000 0.000 0.002


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.146 0.000 0.000
y 0.000 -38.146 0.000
z 0.000 0.000 -42.617
Traceless
 xyz
x 2.235 0.000 0.000
y 0.000 2.235 0.000
z 0.000 0.000 -4.471
Polar
3z2-r2-8.942
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 1.899 0.000 0.000
y 0.000 1.899 0.000
z 0.000 0.000 2.023


<r2> (average value of r2) Å2
<r2> 138.520
(<r2>)1/2 11.769