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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-933.438818
Energy at 298.15K-933.443833
HF Energy-932.627823
Nuclear repulsion energy529.775002
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 MP2/3-21G*
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 1042 992 320.66      
2 A1 836 796 6.49      
3 A1 738 702 0.64      
4 A1 576 548 118.65      
5 A1 454 432 0.29      
6 A1 310 294 0.00      
7 A2 482 459 0.00      
8 A2 332 315 0.00      
9 B1 1138 1082 343.64      
10 B1 544 518 55.18      
11 B1 468 445 5.26      
12 B2 6784 6453 3066136.00      
13 B2 950 904 36.61      
14 B2 526 501 37.13      
15 B2 226 215 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 7702.8 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 7327.7 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 MP2/3-21G*
ABC
0.09185 0.08210 0.08028

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.169
F2 0.000 1.229 1.133
F3 0.000 -1.229 1.133
F4 1.574 0.000 0.046
F5 -1.574 0.000 0.046
F6 0.000 0.919 -1.319
F7 0.000 -0.919 -1.319

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.56181.56181.57851.57851.74901.7490
F21.56182.45772.27332.27332.47193.2597
F31.56182.45772.27332.27333.25972.4719
F41.57852.27332.27333.14742.27702.2770
F51.57852.27332.27333.14742.27702.2770
F61.74902.47193.25972.27702.27701.8372
F71.74903.25972.47192.27702.27701.8372

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 103.775 F2 P1 F4 92.756
F2 P1 F5 92.756 F2 P1 F6 96.431
F2 P1 F7 159.794 F3 P1 F4 92.756
F3 P1 F5 92.756 F3 P1 F6 159.794
F3 P1 F7 96.431 F4 P1 F5 171.063
F4 P1 F6 86.199 F4 P1 F7 86.199
F5 P1 F6 86.199 F5 P1 F7 86.199
F6 P1 F7 63.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability