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: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-934.677732
Energy at 298.15K 
HF Energy-934.410873
Nuclear repulsion energy514.548764
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 B2PLYP=FULLultrafine/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 981 981 227.97      
2 A1 754 754 1.11      
3 A1 674 674 7.03      
4 A1 519 519 98.35      
5 A1 394 394 9.90      
6 A1 257 257 0.05      
7 A2 394 394 0.00      
8 A2 268 268 0.00      
9 B1 1086 1086 209.07      
10 B1 451 451 55.51      
11 B1 379 379 3.63      
12 B2 1006 1006 75.90      
13 B2 439 439 40.06      
14 B2 260 260 0.24      
15 B2 179 179 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 4020.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4020.4 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 B2PLYP=FULLultrafine/3-21G
ABC
0.08686 0.07731 0.07564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.182
F2 0.000 1.274 1.169
F3 0.000 -1.274 1.169
F4 1.618 0.000 0.041
F5 -1.618 0.000 0.041
F6 0.000 0.931 -1.361
F7 0.000 -0.931 -1.361

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.61211.61211.62391.62391.80201.8020
F21.61212.54822.34822.34822.55353.3566
F31.61212.54822.34822.34823.35662.5535
F41.62392.34822.34823.23562.33452.3345
F51.62392.34822.34823.23562.33452.3345
F61.80202.55353.35662.33452.33451.8627
F71.80203.35662.55352.33452.33451.8627

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 104.434 F2 P1 F4 93.046
F2 P1 F5 93.046 F2 P1 F6 96.663
F2 P1 F7 158.903 F3 P1 F4 93.046
F3 P1 F5 93.046 F3 P1 F6 158.903
F3 P1 F7 96.663 F4 P1 F5 170.049
F4 P1 F6 85.742 F4 P1 F7 85.742
F5 P1 F6 85.742 F5 P1 F7 85.742
F6 P1 F7 62.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability