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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-937.849783
Energy at 298.15K-937.853888
HF Energy-937.018267
Nuclear repulsion energy497.940914
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 MP2/6-31G
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 985 942 429.91      
2 A1 791 757 34.42      
3 A1 666 638 0.13      
4 A1 495 474 99.44      
5 A1 382 366 14.11      
6 A1 231 221 0.18      
7 A2 365 349 0.00      
8 A2 262 251 0.00      
9 B1 989 946 214.99      
10 B1 417 399 62.38      
11 B1 373 357 0.05      
12 B2 40919 39151 0.00      
13 B2 799 765 9.75      
14 B2 419 401 55.70      
15 B2 161 154 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 24127.8 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 23085.5 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 MP2/6-31G
ABC
0.08184 0.07236 0.07018

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.192
F2 0.000 1.330 1.215
F3 0.000 -1.330 1.215
F4 1.675 0.000 0.042
F5 -1.675 0.000 0.042
F6 0.000 0.920 -1.417
F7 0.000 -0.920 -1.417

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6 F7
P11.67801.67801.68171.68171.85341.8534
F21.67802.66052.43942.43942.66373.4626
F31.67802.66052.43942.43943.46262.6637
F41.68172.43942.43943.35012.40442.4044
F51.68172.43942.43943.35012.40442.4044
F61.85342.66373.46262.40442.40441.8395
F71.85343.46262.66372.40442.40441.8395

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 104.890 F2 P1 F4 93.115
F2 P1 F5 93.115 F2 P1 F6 97.804
F2 P1 F7 157.306 F3 P1 F4 93.115
F3 P1 F5 93.115 F3 P1 F6 157.306
F3 P1 F7 97.804 F4 P1 F5 169.770
F4 P1 F6 85.561 F4 P1 F7 85.561
F5 P1 F6 85.561 F5 P1 F7 85.561
F6 P1 F7 59.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability