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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-588.688827
Energy at 298.15K-588.689701
HF Energy-588.688827
Nuclear repulsion energy173.238237
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 PBEPBEultrafine/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 796 783 47.75      
2 A1 378 372 45.08      
3 E 942 926 131.25      
3 E 942 926 131.23      
4 E 266 262 8.03      
4 E 266 262 8.03      

Unscaled Zero Point Vibrational Energy (zpe) 1794.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 1764.7 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 PBEPBEultrafine/6-31G*
ABC
0.23757 0.23757 0.13007

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.377
F2 0.000 1.508 -0.196
F3 1.306 -0.754 -0.196
F4 -1.306 -0.754 -0.196

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.61311.61311.6131
F21.61312.61182.6118
F31.61312.61182.6118
F41.61312.61182.6118

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 108.111 F2 Si1 F4 108.111
F3 Si1 F4 108.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.922      
2 F -0.307      
3 F -0.307      
4 F -0.307      


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 1.060 1.060
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.081 0.000 0.000
y 0.000 -28.081 0.000
z 0.000 0.000 -24.737
Traceless
 xyz
x -1.672 0.000 0.000
y 0.000 -1.672 0.000
z 0.000 0.000 3.344
Polar
3z2-r26.688
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 3.467 0.000 0.000
y 0.000 3.468 0.000
z 0.000 0.000 2.624


<r2> (average value of r2) Å2
<r2> 81.263
(<r2>)1/2 9.015