return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: ROMP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at ROMP2/6-31G
 hartrees
Energy at 0K-937.868535
Energy at 298.15K-937.872293
HF Energy-936.998909
Nuclear repulsion energy492.491247
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 ROMP2/6-31G
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 861 861 0.00      
2 A1 655 655 0.00      
3 A1 584 584 0.00      
4 A1 470 470 0.00      
5 A1 356 356 0.00      
6 A1 224 224 0.00      
7 A2 353 353 0.00      
8 A2 239 239 0.00      
9 B1 948 948 0.00      
10 B1 409 409 0.00      
11 B1 345 345 0.00      
12 B2 1380 1380 0.00      
13 B2 748 748 0.00      
14 B2 393 393 0.00      
15 B2 155 155 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4059.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4059.7 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 ROMP2/6-31G
ABC
0.07977 0.07061 0.06923

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.194
F2 0.000 1.332 1.216
F3 0.000 -1.332 1.216
F4 1.686 0.000 0.055
F5 -1.686 0.000 0.055
F6 0.000 0.972 -1.433
F7 0.000 -0.972 -1.433

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.67871.67871.69201.69201.89491.8949
F21.67872.66322.44232.44232.67293.5103
F31.67872.66322.44232.44233.51032.6729
F41.69202.44232.44233.37252.44972.4497
F51.69202.44232.44233.37252.44972.4497
F61.89492.67293.51032.44972.44971.9442
F71.89493.51032.67292.44972.44971.9442

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 104.980 F2 P1 F4 92.866
F2 P1 F5 92.866 F2 P1 F6 96.644
F2 P1 F7 158.376 F3 P1 F4 92.866
F3 P1 F5 92.866 F3 P1 F6 158.376
F3 P1 F7 96.644 F4 P1 F5 170.578
F4 P1 F6 85.957 F4 P1 F7 85.957
F5 P1 F6 85.957 F5 P1 F7 85.957
F6 P1 F7 61.732
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 2.340      
2 F -0.451      
3 F -0.451      
4 F -0.457      
5 F -0.457      
6 F -0.261      
7 F -0.261      


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> 193.503
(<r2>)1/2 13.911