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

using model chemistry: PBEPBEultrafine/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-588.722916
Energy at 298.15K-588.723736
HF Energy-588.722916
Nuclear repulsion energy171.954812
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/6-31+G**
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 763 754 68.30      
2 A1 368 364 51.50      
3 E 891 881 192.30      
3 E 891 881 192.29      
4 E 258 256 10.67      
4 E 258 256 10.67      

Unscaled Zero Point Vibrational Energy (zpe) 1715.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 1695.5 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 PBEPBEultrafine/6-31+G**
ABC
0.23408 0.23408 0.12832

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.383
F2 0.000 1.518 -0.198
F3 1.315 -0.759 -0.198
F4 -1.315 -0.759 -0.198

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.62551.62551.6255
F21.62552.62962.6296
F31.62552.62962.6296
F41.62552.62962.6296

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 107.967 F2 Si1 F4 107.967
F3 Si1 F4 107.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.646      
2 F -0.215      
3 F -0.215      
4 F -0.215      


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 1.358 1.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.452 0.000 0.000
y 0.000 -29.452 0.000
z 0.000 0.000 -25.770
Traceless
 xyz
x -1.841 0.000 0.000
y 0.000 -1.841 0.000
z 0.000 0.000 3.682
Polar
3z2-r27.365
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 4.095 0.000 0.000
y 0.000 4.095 -0.000
z 0.000 -0.000 3.341


<r2> (average value of r2) Å2
<r2> 82.973
(<r2>)1/2 9.109