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

using model chemistry: B2PLYP=FULLultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-540.965502
Energy at 298.15K 
HF Energy-540.736341
Nuclear repulsion energy107.081290
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 B2PLYP=FULLultrafine/aug-cc-pVTZ
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 845 811 122.85 8.14 0.46 0.63
2 A1 355 340 7.51 0.69 0.55 0.71
3 B2 825 791 179.67 6.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1012.4 cm-1
Scaled (by 0.9591) Zero Point Vibrational Energy (zpe) 970.9 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 B2PLYP=FULLultrafine/aug-cc-pVTZ
ABC
0.90284 0.30339 0.22708

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.571
F2 0.000 1.209 -0.475
F3 0.000 -1.209 -0.475

Atom - Atom Distances (Å)
  P1 F2 F3
P11.59891.5989
F21.59892.4186
F31.59892.4186

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 98.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.899      
2 F -0.450      
3 F -0.450      


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 1.127 1.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.531 0.000 0.000
y 0.000 -23.966 0.000
z 0.000 0.000 -22.635
Traceless
 xyz
x 0.769 0.000 0.000
y 0.000 -1.383 0.000
z 0.000 0.000 0.614
Polar
3z2-r21.228
x2-y21.434
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.856 0.000 0.000
y 0.000 4.093 0.000
z 0.000 0.000 3.805


<r2> (average value of r2) Å2
<r2> 49.670
(<r2>)1/2 7.048