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

using model chemistry: ROMP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-925.057346
Energy at 298.15K 
HF Energy-924.909143
Nuclear repulsion energy509.588218
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/STO-3G
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 981 981 0.00      
2 A1 715 715 0.00      
3 A1 665 665 0.00      
4 A1 532 532 0.00      
5 A1 391 391 0.00      
6 A1 242 242 0.00      
7 A2 384 384 0.00      
8 A2 269 269 0.00      
9 B1 1054 1054 0.00      
10 B1 442 442 0.00      
11 B1 378 378 0.00      
12 B2 2972 2972 0.00      
13 B2 770 770 0.00      
14 B2 279 279 0.00      
15 B2 756i 756i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4657.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4657.8 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/STO-3G
ABC
0.08575 0.07597 0.07326

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.181
F2 0.000 1.291 1.181
F3 0.000 -1.291 1.181
F4 1.642 0.000 0.060
F5 -1.642 0.000 0.060
F6 0.000 0.901 -1.392
F7 0.000 -0.901 -1.392

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.63341.63341.64601.64601.81191.8119
F21.63342.58282.37022.37022.60193.3796
F31.63342.58282.37022.37023.37962.6019
F41.64602.37022.37023.28312.36932.3693
F51.64602.37022.37023.28312.36932.3693
F61.81192.60193.37962.36932.36931.8013
F71.81193.37962.60192.36932.36931.8013

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 104.483 F2 P1 F4 92.565
F2 P1 F5 92.565 F2 P1 F6 97.951
F2 P1 F7 157.565 F3 P1 F4 92.565
F3 P1 F5 92.565 F3 P1 F6 157.565
F3 P1 F7 97.951 F4 P1 F5 171.616
F4 P1 F6 86.364 F4 P1 F7 86.364
F5 P1 F6 86.364 F5 P1 F7 86.364
F6 P1 F7 59.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.481      
2 F -0.285      
3 F -0.285      
4 F -0.301      
5 F -0.301      
6 F -0.155      
7 F -0.155      


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> 177.858
(<r2>)1/2 13.336