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All results from a given calculation for PF3 (Phosphorus trifluoride)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-77.861867
Energy at 298.15K-77.863639
Nuclear repulsion energy64.261029
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 HF/CEP-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 813 733 132.25      
2 A1 419 377 49.33      
3 E 805 725 183.99      
3 E 805 725 183.99      
4 E 308 278 9.68      
4 E 308 278 9.68      

Unscaled Zero Point Vibrational Energy (zpe) 1728.6 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 1558.2 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 HF/CEP-31G
ABC
0.22692 0.22692 0.14329

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.709
F2 0.000 1.437 -0.169
F3 1.244 -0.718 -0.169
F4 -1.244 -0.718 -0.169
X5 0.000 0.000 1.709

Atom - Atom Distances (Å)
  P1 F2 F3 F4 X5
P11.68371.68371.68371.0000
F21.68372.48852.48852.3644
F31.68372.48852.48852.3644
F41.68372.48852.48852.3644
X51.00002.36442.36442.3644

picture of Phosphorus trifluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 P1 F3 95.292 F2 P1 F4 95.292
F2 P1 X5 121.426 F3 P1 F4 95.292
F3 P1 X5 121.426 F4 P1 X5 121.426
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.410      
2 F -0.470      
3 F -0.470      
4 F -0.470      


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 3.435 3.435
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.800 0.000 0.000
y 0.000 -30.800 0.000
z 0.000 0.000 -25.429
Traceless
 xyz
x -2.685 0.000 0.000
y 0.000 -2.685 0.000
z 0.000 0.000 5.371
Polar
3z2-r210.742
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 3.319 0.000 0.000
y 0.000 3.319 0.000
z 0.000 0.000 2.165


<r2> (average value of r2) Å2
<r2> 64.578
(<r2>)1/2 8.036