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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-938.495145
Energy at 298.15K-938.499831
HF Energy-937.337398
Nuclear repulsion energy524.934169
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*
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 953 898 321.57      
2 A1 778 733 8.52      
3 A1 680 641 0.21      
4 A1 541 510 101.73      
5 A1 426 402 0.26      
6 A1 285 268 0.00      
7 A2 452 426 0.00      
8 A2 312 294 0.00      
9 B1 1043 984 339.65      
10 B1 513 484 39.28      
11 B1 448 422 2.17      
12 B2 12841 12109 0.00      
13 B2 872 822 17.99      
14 B2 497 469 23.07      
15 B2 206 194 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10422.1 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 9828.0 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*
ABC
0.09024 0.08042 0.07890

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.176
F2 0.000 1.244 1.140
F3 0.000 -1.244 1.140
F4 1.585 0.000 0.050
F5 -1.585 0.000 0.050
F6 0.000 0.926 -1.336
F7 0.000 -0.926 -1.336

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.57361.57361.58971.58971.77301.7730
F21.57362.48772.29022.29022.49593.2922
F31.57362.48772.29022.29023.29222.4959
F41.58972.29022.29023.16942.30032.3003
F51.58972.29022.29023.16942.30032.3003
F61.77302.49593.29222.30032.30031.8528
F71.77303.29222.49592.30032.30031.8528

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 104.448 F2 P1 F4 92.771
F2 P1 F5 92.771 F2 P1 F6 96.275
F2 P1 F7 159.277 F3 P1 F4 92.771
F3 P1 F5 92.771 F3 P1 F6 159.277
F3 P1 F7 96.275 F4 P1 F5 170.947
F4 P1 F6 86.142 F4 P1 F7 86.142
F5 P1 F6 86.142 F5 P1 F7 86.142
F6 P1 F7 63.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability