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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-933.446896
Energy at 298.15K 
HF Energy-932.627522
Nuclear repulsion energy529.110086
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 1035 995 294.07      
2 A1 820 788 7.93      
3 A1 689 663 7.59      
4 A1 569 546 114.12      
5 A1 445 428 0.02      
6 A1 308 296 0.01      
7 A2 480 462 0.00      
8 A2 326 313 0.00      
9 B1 1137 1093 340.40      
10 B1 544 523 54.62      
11 B1 463 445 5.52      
12 B2 971 933 4.94      
13 B2 523 503 127.03      
14 B2 224 216 2.40      
15 B2 2921i 2807i 113576.30      

Unscaled Zero Point Vibrational Energy (zpe) 2807.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 2697.8 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
0.09149 0.08183 0.08028

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 0.169
F2 0.000 1.229 1.132
F3 0.000 -1.229 1.132
F4 1.574 0.000 0.047
F5 -1.574 0.000 0.047
F6 0.000 0.929 -1.320
F7 0.000 -0.929 -1.320

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.56091.56091.57851.57851.75521.7552
F21.56092.45732.27212.27212.47043.2661
F31.56092.45732.27212.27213.26612.4704
F41.57852.27212.27213.14762.28252.2825
F51.57852.27212.27213.14762.28252.2825
F61.75522.47043.26612.28252.28251.8576
F71.75523.26612.47042.28252.28251.8576

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 103.837 F2 P1 F4 92.726
F2 P1 F5 92.726 F2 P1 F6 96.133
F2 P1 F7 160.030 F3 P1 F4 92.726
F3 P1 F5 92.726 F3 P1 F6 160.030
F3 P1 F7 96.133 F4 P1 F5 171.154
F4 P1 F6 86.248 F4 P1 F7 86.248
F5 P1 F6 86.248 F5 P1 F7 86.248
F6 P1 F7 63.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability