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 PF (phosphorus monofluoride)

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1Δ

State 1 (3Σ)

Jump to S2C1
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-439.665561
Energy at 298.15K-439.665865
Nuclear repulsion energy41.581485
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 LSDA/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 Σ 773 758 40.79      

Unscaled Zero Point Vibrational Energy (zpe) 386.7 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 378.8 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 LSDA/6-31G
B
0.48500

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.644
F2 0.000 0.000 -1.074

Atom - Atom Distances (Å)
  P1 F2
P11.7180
F21.7180

picture of phosphorus monofluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.354      
2 F -0.354      


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 1.439 1.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.589 0.000 0.000
y 0.000 -17.589 0.000
z 0.000 0.000 -18.217
Traceless
 xyz
x 0.314 0.000 0.000
y 0.000 0.314 0.000
z 0.000 0.000 -0.628
Polar
3z2-r2-1.257
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.814 0.000 0.000
y 0.000 1.814 0.000
z 0.000 0.000 3.206


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000

State 2 (1Δ)

Jump to S1C1
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-439.618768
Energy at 298.15K-439.619073
Nuclear repulsion energy41.622906
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 LSDA/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 Σ 777 762 36.04      

Unscaled Zero Point Vibrational Energy (zpe) 388.6 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 380.7 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 LSDA/6-31G
B
0.48597

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.644
F2 0.000 0.000 -1.073

Atom - Atom Distances (Å)
  P1 F2
P11.7163
F21.7163

picture of phosphorus monofluoride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.326      
2 F -0.326      


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 1.234 1.234
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.809 0.000 0.000
y 0.000 -21.021 0.000
z 0.000 0.000 -18.139
Traceless
 xyz
x 4.771 0.000 0.000
y 0.000 -4.547 0.000
z 0.000 0.000 -0.224
Polar
3z2-r2-0.448
x2-y26.212
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.754 0.000 0.000
y 0.000 1.570 0.000
z 0.000 0.000 3.204


<r2> (average value of r2) Å2
<r2> 27.806
(<r2>)1/2 5.273