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All results from a given calculation for PF6 (Hexafluorophosphate neutral)

using model chemistry: ROMP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at ROMP2/6-31+G**
 hartrees
Energy at 0K-938.553787
Energy at 298.15K-938.558286
HF Energy-937.337484
Nuclear repulsion energy520.678455
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 ROMP2/6-31+G**
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 903 903 0.00      
2 A1 725 725 0.00      
3 A1 585 585 0.00      
4 A1 522 522 0.00      
5 A1 401 401 0.00      
6 A1 284 284 0.00      
7 A2 447 447 0.00      
8 A2 298 298 0.00      
9 B1 986 986 0.00      
10 B1 510 510 0.00      
11 B1 432 432 0.00      
12 B2 1485 1485 0.00      
13 B2 786 786 0.00      
14 B2 483 483 0.00      
15 B2 206 206 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4525.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4525.6 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 ROMP2/6-31+G**
ABC
0.08857 0.07899 0.07797

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.175
F2 0.000 1.246 1.146
F3 0.000 -1.246 1.146
F4 1.594 0.000 0.054
F5 -1.594 0.000 0.054
F6 0.000 0.957 -1.345
F7 0.000 -0.957 -1.345

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.57921.57921.59881.59881.79621.7962
F21.57922.49132.29912.29912.50723.3249
F31.57922.49132.29912.29913.32492.5072
F41.59882.29912.29913.18832.32662.3266
F51.59882.29912.29913.18832.32662.3266
F61.79622.50723.32492.32662.32661.9143
F71.79623.32492.50722.32662.32661.9143

picture of Hexafluorophosphate neutral state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 P1 F3 104.150 F2 P1 F4 92.677
F2 P1 F5 92.677 F2 P1 F6 95.726
F2 P1 F7 160.124 F3 P1 F4 92.677
F3 P1 F5 92.677 F3 P1 F6 160.124
F3 P1 F7 95.726 F4 P1 F5 171.284
F4 P1 F6 86.313 F4 P1 F7 86.313
F5 P1 F6 86.313 F5 P1 F7 86.313
F6 P1 F7 64.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 3.692      
2 F -0.750      
3 F -0.750      
4 F -0.723      
5 F -0.723      
6 F -0.373      
7 F -0.373      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 174.000
(<r2>)1/2 13.191