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All results from a given calculation for PF (phosphorus monofluoride)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
2 1 yes C*V 1Δ

State 1 (3Σ)

Jump to S2C1
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-438.600996
Energy at 298.15K-438.601307
Nuclear repulsion energy42.173335
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 PBEPBE/3-21G
Rotational Constants (cm-1) from geometry optimized at PBEPBE/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1Δ)

Jump to S1C1
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-438.551129
Energy at 298.15K-438.551440
Nuclear repulsion energy42.151525
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 PBEPBE/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 793 785 21.14      

Unscaled Zero Point Vibrational Energy (zpe) 396.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 392.6 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 PBEPBE/3-21G
B
0.49839

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.636
F2 0.000 0.000 -1.059

Atom - Atom Distances (Å)
  P1 F2
P11.6948
F21.6948

picture of phosphorus monofluoride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.267      
2 F -0.267      


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 0.581 0.581
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.811 0.000 0.000
y 0.000 -20.809 0.000
z 0.000 0.000 -18.006
Traceless
 xyz
x 4.597 0.000 0.000
y 0.000 -4.401 0.000
z 0.000 0.000 -0.196
Polar
3z2-r2-0.392
x2-y25.998
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.745 0.000 0.000
y 0.000 1.135 0.000
z 0.000 0.000 2.961


<r2> (average value of r2) Å2
<r2> 27.322
(<r2>)1/2 5.227