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

using model chemistry: MP2/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 MP2/CEP-31G*
 hartrees
Energy at 0K-150.614931
Energy at 298.15K-150.619472
HF Energy-149.510250
Nuclear repulsion energy224.894922
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 MP2/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 898 853 360.31      
2 A1 747 709 11.16      
3 A1 644 612 0.05      
4 A1 517 491 110.97      
5 A1 407 386 3.23      
6 A1 278 263 0.01      
7 A2 447 425 0.00      
8 A2 309 294 0.00      
9 B1 977 928 360.59      
10 B1 508 482 41.65      
11 B1 442 420 2.73      
12 B2 5730 5440 2176192.00      
13 B2 819 778 15.40      
14 B2 487 463 18.76      
15 B2 202 192 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6706.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 6367.3 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 MP2/CEP-31G*
ABC
0.08857 0.07874 0.07715

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.178
F2 0.000 1.252 1.153
F3 0.000 -1.252 1.153
F4 1.601 0.000 0.051
F5 -1.601 0.000 0.051
F6 0.000 0.937 -1.353
F7 0.000 -0.937 -1.353

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.58731.58731.60591.60591.79451.7945
F21.58732.50422.31212.31212.52563.3276
F31.58732.50422.31212.31213.32762.5256
F41.60592.31212.31213.20182.32622.3262
F51.60592.31212.31213.20182.32622.3262
F61.79452.52563.32762.32622.32621.8745
F71.79453.32762.52562.32622.32621.8745

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 104.148 F2 P1 F4 92.781
F2 P1 F5 92.781 F2 P1 F6 96.440
F2 P1 F7 159.412 F3 P1 F4 92.781
F3 P1 F5 92.781 F3 P1 F6 159.412
F3 P1 F7 96.440 F4 P1 F5 170.947
F4 P1 F6 86.141 F4 P1 F7 86.141
F5 P1 F6 86.141 F5 P1 F7 86.141
F6 P1 F7 62.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability