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

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-933.151588
Energy at 298.15K 
HF Energy-932.365900
Nuclear repulsion energy515.424907
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 QCISD/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 1005 974 234.84      
2 A1 775 751 1.43      
3 A1 674 653 8.57      
4 A1 535 518 115.67      
5 A1 411 399 11.67      
6 A1 267 259 0.01      
7 A2 411 398 0.00      
8 A2 279 271 0.00      
9 B1 1112 1078 221.43      
10 B1 469 455 64.39      
11 B1 394 382 4.54      
12 B2 967 937 74.67      
13 B2 463 449 264.11      
14 B2 189 183 1.58      
15 B2 3004i 2911i 121797.60      

Unscaled Zero Point Vibrational Energy (zpe) 2473.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 2397.2 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 QCISD/3-21G
ABC
0.08715 0.07757 0.07587

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 1.273 1.164
F3 0.000 -1.273 1.164
F4 1.615 0.000 0.046
F5 -1.615 0.000 0.046
F6 0.000 0.928 -1.361
F7 0.000 -0.928 -1.361

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.60791.60791.62111.62111.80071.8007
F21.60792.54512.34112.34112.54913.3502
F31.60792.54512.34112.34113.35022.5491
F41.62112.34112.34113.23092.33472.3347
F51.62112.34112.34113.23092.33472.3347
F61.80072.54913.35022.33472.33471.8568
F71.80073.35022.54912.33472.33471.8568

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 104.636 F2 P1 F4 92.940
F2 P1 F5 92.940 F2 P1 F6 96.646
F2 P1 F7 158.718 F3 P1 F4 92.940
F3 P1 F5 92.940 F3 P1 F6 158.718
F3 P1 F7 96.646 F4 P1 F5 170.374
F4 P1 F6 85.877 F4 P1 F7 85.877
F5 P1 F6 85.877 F5 P1 F7 85.877
F6 P1 F7 62.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability