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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-938.902530
Energy at 298.15K-938.907377
HF Energy-937.397827
Nuclear repulsion energy532.446748
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 MP2/6-31G(2df,p)
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 947 895 276.47      
2 A1 781 738 14.58      
3 A1 670 633 0.00      
4 A1 552 521 87.20      
5 A1 430 407 2.87      
6 A1 303 286 0.00      
7 A2 472 446 0.00      
8 A2 323 305 0.00      
9 B1 1051 993 303.09      
10 B1 539 510 31.17      
11 B1 459 434 2.03      
12 B2 9547 9017 0.00      
13 B2 862 814 23.53      
14 B2 517 488 12.18      
15 B2 223 211 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 8838.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 8347.9 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 MP2/6-31G(2df,p)
ABC
0.09279 0.08273 0.08126

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.165
F2 0.000 1.218 1.125
F3 0.000 -1.218 1.125
F4 1.562 0.000 0.053
F5 -1.562 0.000 0.053
F6 0.000 0.926 -1.315
F7 0.000 -0.926 -1.315

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.55131.55131.56581.56581.74591.7459
F21.55132.43672.25242.25242.45793.2487
F31.55132.43672.25242.25243.24872.4579
F41.56582.25242.25243.12362.27342.2734
F51.56582.25242.25243.12362.27342.2734
F61.74592.45793.24872.27342.27341.8520
F71.74593.24872.45792.27342.27341.8520

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 103.511 F2 P1 F4 92.537
F2 P1 F5 92.537 F2 P1 F6 96.213
F2 P1 F7 160.276 F3 P1 F4 92.537
F3 P1 F5 92.537 F3 P1 F6 160.276
F3 P1 F7 96.213 F4 P1 F5 171.798
F4 P1 F6 86.524 F4 P1 F7 86.524
F5 P1 F6 86.524 F5 P1 F7 86.524
F6 P1 F7 64.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability