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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-149.515782
Energy at 298.15K-149.520676
HF Energy-149.515782
Nuclear repulsion energy229.398265
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/CEP-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 971 872 337.30      
2 A1 794 713 34.46      
3 A1 605 543 10.72      
4 A1 563 506 135.80      
5 A1 435 391 7.33      
6 A1 311 279 0.10      
7 A2 495 444 0.00      
8 A2 332 298 0.00      
9 B1 1065 957 420.93      
10 B1 562 505 50.94      
11 B1 483 434 3.61      
12 B2 1934 1736 26094.12      
13 B2 872 783 116.10      
14 B2 532 478 11.61      
15 B2 231 208 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 5093.0 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 4573.5 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 HF/CEP-31G*
ABC
0.09182 0.08194 0.08079

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.171
F2 0.000 1.220 1.126
F3 0.000 -1.220 1.126
F4 1.567 0.000 0.051
F5 -1.567 0.000 0.051
F6 0.000 0.942 -1.320
F7 0.000 -0.942 -1.320

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.54951.54951.57131.57131.76411.7641
F21.54952.44092.25852.25852.46183.2651
F31.54952.44092.25852.25853.26512.4618
F41.57132.25852.25853.13332.28492.2849
F51.57132.25852.25853.13332.28492.2849
F61.76412.46183.26512.28492.28491.8847
F71.76413.26512.46182.28492.28491.8847

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 103.928 F2 P1 F4 92.714
F2 P1 F5 92.714 F2 P1 F6 95.747
F2 P1 F7 160.325 F3 P1 F4 92.714
F3 P1 F5 92.714 F3 P1 F6 160.325
F3 P1 F7 95.747 F4 P1 F5 171.185
F4 P1 F6 86.275 F4 P1 F7 86.275
F5 P1 F6 86.275 F5 P1 F7 86.275
F6 P1 F7 64.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.021      
2 F -0.203      
3 F -0.203      
4 F -0.219      
5 F -0.219      
6 F -0.089      
7 F -0.089      


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 -0.754 0.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.195 0.000 0.000
y 0.000 -40.761 0.000
z 0.000 0.000 -41.638
Traceless
 xyz
x -2.995 0.000 0.000
y 0.000 2.156 0.000
z 0.000 0.000 0.839
Polar
3z2-r21.679
x2-y2-3.434
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.934 0.000 0.000
y 0.000 -22.897 0.000
z 0.000 0.000 3.145


<r2> (average value of r2) Å2
<r2> 136.333
(<r2>)1/2 11.676