return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-541.100950
Energy at 298.15K 
HF Energy-541.100950
Nuclear repulsion energy104.123949
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 B3LYPultrafine/daug-cc-pVDZ
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 814 814 114.14 8.85 0.37 0.54
2 A1 319 319 6.61 0.83 0.60 0.75
3 B2 794 794 176.25 6.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 963.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 963.4 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 B3LYPultrafine/daug-cc-pVDZ
ABC
0.85194 0.28719 0.21478

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.587
F2 0.000 1.243 -0.489
F3 0.000 -1.243 -0.489

Atom - Atom Distances (Å)
  P1 F2 F3
P11.64451.6445
F21.64452.4858
F31.64452.4858

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 98.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.865      
2 F -0.433      
3 F -0.433      


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 1.480 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.497 0.000 0.000
y 0.000 -24.443 0.000
z 0.000 0.000 -22.433
Traceless
 xyz
x 0.941 0.000 0.000
y 0.000 -1.978 0.000
z 0.000 0.000 1.037
Polar
3z2-r22.074
x2-y21.946
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.866 0.000 0.000
y 0.000 4.308 0.000
z 0.000 0.000 3.959


<r2> (average value of r2) Å2
<r2> 51.738
(<r2>)1/2 7.193