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

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-635.775053
Energy at 298.15K-635.777098
Nuclear repulsion energy186.817493
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 982 889 106.69      
2 A1 476 431 63.27      
3 E 993 899 127.97      
3 E 993 899 127.97      
4 E 342 310 11.13      
4 E 342 310 11.13      

Unscaled Zero Point Vibrational Energy (zpe) 2063.2 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 1868.4 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 HF/3-21G
ABC
0.24746 0.24746 0.15453

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.529
F2 0.000 1.383 -0.294
F3 1.198 -0.692 -0.294
F4 -1.198 -0.692 -0.294
X5 0.000 0.000 1.529

Atom - Atom Distances (Å)
  P1 F2 F3 F4 X5
P11.60951.60951.60951.0000
F21.60952.39622.39622.2882
F31.60952.39622.39622.2882
F41.60952.39622.39622.2882
X51.00002.28822.28822.2882

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 96.213 F2 P1 F4 96.213
F2 P1 X5 120.735 F3 P1 F4 96.213
F3 P1 X5 120.735 F4 P1 X5 120.735
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.549 0.679   0.663
2 F -0.516 -0.226   -0.219
3 F -0.516 -0.226   -0.222
4 F -0.516 -0.226   -0.222


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 2.581 2.581
CHELPG 0.000 -0.000 2.683 2.683
AIM        
ESP 0.003 0.016 2.621 2.621


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.130 0.000 0.000
y 0.000 -29.130 0.000
z 0.000 0.000 -26.061
Traceless
 xyz
x -1.534 0.000 0.000
y 0.000 -1.534 0.000
z 0.000 0.000 3.069
Polar
3z2-r26.138
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 2.525 0.000 0.000
y 0.000 2.525 0.000
z 0.000 0.000 1.507


<r2> (average value of r2) Å2
<r2> 75.757
(<r2>)1/2 8.704