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All results from a given calculation for PF2 (Phosphorus difluoride)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-540.707310
Energy at 298.15K 
HF Energy-540.707310
Nuclear repulsion energy106.797973
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 PBE1PBE/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 881 840 99.19 6.57 0.30 0.47
2 A1 341 325 9.68 1.00 0.69 0.81
3 B2 885 843 146.01 5.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1053.3 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1003.9 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 PBE1PBE/6-31G**
ABC
0.91969 0.29788 0.22501

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.565
F2 0.000 1.220 -0.471
F3 0.000 -1.220 -0.471

Atom - Atom Distances (Å)
  P1 F2 F3
P11.60111.6011
F21.60112.4408
F31.60112.4408

picture of Phosphorus difluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 P1 F3 99.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.688      
2 F -0.344      
3 F -0.344      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.099 1.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.616 0.000 0.000
y 0.000 -23.123 0.000
z 0.000 0.000 -21.652
Traceless
 xyz
x 0.772 0.000 0.000
y 0.000 -1.489 0.000
z 0.000 0.000 0.718
Polar
3z2-r21.435
x2-y21.507
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.483 0.000 0.000
y 0.000 3.156 0.000
z 0.000 0.000 2.588


<r2> (average value of r2) Å2
<r2> 49.420
(<r2>)1/2 7.030