return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-939.420537
Energy at 298.15K-939.425405
HF Energy-937.631092
Nuclear repulsion energy531.491524
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=FULL/cc-pVTZ
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 938 891 318.03      
2 A1 778 739 21.46      
3 A1 653 620 0.14      
4 A1 553 525 99.18      
5 A1 428 406 2.80      
6 A1 301 286 0.00      
7 A2 477 453 0.00      
8 A2 327 311 0.00      
9 B1 1016 964 364.38      
10 B1 544 517 39.20      
11 B1 467 444 2.49      
12 B2 6922 6572 4173129.00      
13 B2 855 812 21.72      
14 B2 519 492 15.06      
15 B2 224 213 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7500.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 7121.4 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=FULL/cc-pVTZ
ABC
0.09227 0.08261 0.08099

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.165
F2 0.000 1.221 1.125
F3 0.000 -1.221 1.125
F4 1.568 0.000 0.053
F5 -1.568 0.000 0.053
F6 0.000 0.928 -1.315
F7 0.000 -0.928 -1.315

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.55241.55241.57181.57181.74741.7474
F21.55242.44112.25762.25762.45763.2510
F31.55242.44112.25762.25763.25102.4576
F41.57182.25762.25763.13552.27822.2782
F51.57182.25762.25763.13552.27822.2782
F61.74742.45763.25102.27822.27821.8554
F71.74743.25102.45762.27822.27821.8554

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 103.670 F2 P1 F4 92.538
F2 P1 F5 92.538 F2 P1 F6 96.098
F2 P1 F7 160.232 F3 P1 F4 92.538
F3 P1 F5 92.538 F3 P1 F6 160.232
F3 P1 F7 96.098 F4 P1 F5 171.780
F4 P1 F6 86.518 F4 P1 F7 86.518
F5 P1 F6 86.518 F5 P1 F7 86.518
F6 P1 F7 64.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability