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

using model chemistry: wB97X-D/CEP-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 wB97X-D/CEP-31G*
 hartrees
Energy at 0K-76.550978
Energy at 298.15K-76.551872
HF Energy-76.550978
Nuclear repulsion energy57.630406
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 wB97X-D/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 802 802 73.17      
2 A1 389 389 62.24      
3 E 923 923 185.12      
3 E 923 923 185.21      
4 E 272 272 11.82      
4 E 272 272 11.79      

Unscaled Zero Point Vibrational Energy (zpe) 1790.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1790.6 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 wB97X-D/CEP-31G*
ABC
0.23975 0.23975 0.13170

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.382
F2 0.000 1.499 -0.198
F3 1.298 -0.749 -0.198
F4 -1.298 -0.749 -0.198

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.60701.60701.6070
F21.60702.59562.5956
F31.60702.59562.5956
F41.60702.59562.5956

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 107.726 F2 Si1 F4 107.726
F3 Si1 F4 107.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.747      
2 F -0.249      
3 F -0.249      
4 F -0.249      


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 1.389 1.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.762 0.000 0.000
y 0.000 -27.762 0.000
z 0.000 0.000 -23.904
Traceless
 xyz
x -1.929 0.000 0.000
y 0.000 -1.929 0.000
z 0.000 0.000 3.858
Polar
3z2-r27.715
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 3.360 0.000 0.000
y 0.000 3.367 0.001
z 0.000 0.001 2.481


<r2> (average value of r2) Å2
<r2> 65.105
(<r2>)1/2 8.069