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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-933.163187
Energy at 298.15K 
HF Energy-932.365310
Nuclear repulsion energy515.099755
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 MP4/3-21G
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 1645 1595        
2 A1 986 956        
3 A1 768 745        
4 A1 612 594        
5 A1 459 445        
6 A1 250 242        
7 A2 438 425        
8 A2 282 273        
9 B1 1101 1068        
10 B1 464 450        
11 B1 394 382        
12 B2 3730 3617        
13 B2 2431 2357        
14 B2 785 761        
15 B2 410i 398i        

Unscaled Zero Point Vibrational Energy (zpe) 6966.9 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 6756.5 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 MP4/3-21G
ABC
0.08722 0.07751 0.07553

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.183
F2 0.000 1.276 1.169
F3 0.000 -1.276 1.169
F4 1.618 0.000 0.043
F5 -1.618 0.000 0.043
F6 0.000 0.917 -1.364
F7 0.000 -0.917 -1.364

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.61221.61221.62411.62411.79821.7982
F21.61222.55112.34772.34772.55793.3500
F31.61222.55112.34772.34773.35002.5579
F41.62412.34772.34773.23632.33252.3325
F51.62412.34772.34773.23632.33252.3325
F61.79822.55793.35002.33252.33251.8344
F71.79823.35002.55792.33252.33251.8344

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 104.595 F2 P1 F4 93.007
F2 P1 F5 93.007 F2 P1 F6 97.034
F2 P1 F7 158.370 F3 P1 F4 93.007
F3 P1 F5 93.007 F3 P1 F6 158.370
F3 P1 F7 97.034 F4 P1 F5 170.157
F4 P1 F6 85.768 F4 P1 F7 85.768
F5 P1 F6 85.768 F5 P1 F7 85.768
F6 P1 F7 61.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability