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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-836.298644
Energy at 298.15K 
HF Energy-836.298644
Nuclear repulsion energy404.933519
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 mPW1PW91/3-21G*
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' 841 798 0.00 7.42 0.00 0.01
2 A1' 740 703 0.00 1.50 0.75 0.86
3 A2" 1100 1044 349.25 0.00 0.75 0.86
4 A2" 558 530 62.46 0.00 0.75 0.86
5 E' 1112 1056 243.82 0.40 0.75 0.86
5 E' 1112 1056 243.82 0.40 0.75 0.86
6 E' 515 489 50.69 0.80 0.75 0.86
6 E' 515 489 50.69 0.80 0.75 0.86
7 E' 167 159 0.25 0.29 0.75 0.86
7 E' 167 159 0.25 0.29 0.75 0.86
8 E" 492 467 0.00 1.51 0.75 0.86
8 E" 492 467 0.00 1.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3905.3 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 3708.5 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 mPW1PW91/3-21G*
ABC
0.12178 0.10267 0.10267

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.558 0.000
F3 1.350 -0.779 0.000
F4 -1.350 -0.779 0.000
F5 0.000 0.000 1.581
F6 0.000 0.000 -1.581

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.55841.55841.55841.58101.5810
F21.55842.69932.69932.22002.2200
F31.55842.69932.69932.22002.2200
F41.55842.69932.69932.22002.2200
F51.58102.22002.22002.22003.1621
F61.58102.22002.22002.22003.1621

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 mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.453      
2 F -0.270      
3 F -0.270      
4 F -0.270      
5 F -0.321      
6 F -0.321      


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 -35.704 0.000 0.000
y 0.000 -35.704 0.000
z 0.000 0.000 -39.051
Traceless
 xyz
x 1.674 0.000 0.000
y 0.000 1.674 0.000
z 0.000 0.000 -3.347
Polar
3z2-r2-6.695
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 2.113 0.000 0.000
y 0.000 2.113 0.000
z 0.000 0.000 2.222


<r2> (average value of r2) Å2
<r2> 133.565
(<r2>)1/2 11.557