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All results from a given calculation for PF5 (Phosphorus pentafluoride)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-839.436496
Energy at 298.15K 
HF Energy-838.105062
Nuclear repulsion energy408.853709
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=FULL/6-31G(2df,p)
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' 822 773 0.00 9.48 0.00 0.00
2 A1' 676 635 0.00 1.23 0.75 0.85
3 A2" 1022 960 347.30 0.00 0.00 0.00
4 A2" 574 540 48.88 0.00 0.00 0.00
5 E' 1045 982 238.54 0.47 0.75 0.86
5 E' 1045 982 238.54 0.47 0.75 0.86
6 E' 539 507 35.94 0.45 0.75 0.86
6 E' 539 507 35.94 0.45 0.75 0.86
7 E' 171 161 0.25 0.21 0.75 0.86
7 E' 171 161 0.25 0.21 0.75 0.86
8 E" 510 479 0.00 0.77 0.75 0.86
8 E" 510 479 0.00 0.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3811.3 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 3582.2 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 MP2=FULL/6-31G(2df,p)
ABC
0.12462 0.10449 0.10449

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
F2 0.000 1.541 0.000
F3 1.334 -0.770 0.000
F4 -1.334 -0.770 0.000
F5 0.000 0.000 1.570
F6 0.000 0.000 -1.570

Atom - Atom Distances (Å)
  P1 F2 F3 F4 F5 F6
P11.54061.54061.54061.57031.5703
F21.54062.66832.66832.19982.1998
F31.54062.66832.66832.19982.1998
F41.54062.66832.66832.19982.1998
F51.57032.19982.19982.19983.1406
F61.57032.19982.19982.19983.1406

picture of Phosphorus pentafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 P1 F3 120.000 F2 P1 F4 120.000
F2 P1 F5 90.000 F2 P1 F6 90.000
F3 P1 F4 120.000 F3 P1 F5 90.000
F3 P1 F6 90.000 F4 P1 F5 90.000
F4 P1 F6 90.000 F5 P1 F6 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability