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All results from a given calculation for SiF3 (Silicon trifluoride radical)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-589.010278
Energy at 298.15K-589.010955
HF Energy-589.010278
Nuclear repulsion energy166.214763
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 B3LYP/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 A1 730 702 42.17      
2 A1 333 320 61.25      
3 E 865 832 102.65      
3 E 865 832 102.65      
4 E 231 222 13.98      
4 E 231 222 13.98      

Unscaled Zero Point Vibrational Energy (zpe) 1627.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1565.5 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 B3LYP/6-31G
ABC
0.21879 0.21879 0.12111

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.415
F2 0.000 1.563 -0.215
F3 1.353 -0.781 -0.215
F4 -1.353 -0.781 -0.215

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.68501.68501.6850
F21.68502.70682.7068
F31.68502.70682.7068
F41.68502.70682.7068

picture of Silicon trifluoride radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 F3 106.871 F2 Si1 F4 106.871
F3 Si1 F4 106.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.267      
2 F -0.422      
3 F -0.422      
4 F -0.422      


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 2.267 2.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.945 0.000 0.000
y 0.000 -30.945 0.000
z 0.000 0.000 -24.477
Traceless
 xyz
x -3.234 0.000 0.000
y 0.000 -3.234 0.000
z 0.000 0.000 6.468
Polar
3z2-r212.936
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 3.337 0.000 0.000
y 0.000 3.338 -0.000
z 0.000 -0.000 2.384


<r2> (average value of r2) Å2
<r2> 87.584
(<r2>)1/2 9.359