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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-589.088658
Energy at 298.15K-589.089637
HF Energy-589.088658
Nuclear repulsion energy175.557754
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 B1B95/6-31G**
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 853 814 62.45      
2 A1 399 381 59.15      
3 E 1000 955 157.87      
3 E 1000 955 157.91      
4 E 279 267 10.48      
4 E 279 267 10.48      

Unscaled Zero Point Vibrational Energy (zpe) 1904.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1818.8 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 B1B95/6-31G**
ABC
0.24401 0.24401 0.13405

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.379
F2 0.000 1.485 -0.196
F3 1.286 -0.743 -0.196
F4 -1.286 -0.743 -0.196

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.59291.59291.5929
F21.59292.57282.5728
F31.59292.57282.5728
F41.59292.57282.5728

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 107.725 F2 Si1 F4 107.725
F3 Si1 F4 107.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.062      
2 F -0.354      
3 F -0.354      
4 F -0.354      


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 1.319 1.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.094 0.000 0.000
y 0.000 -28.094 0.000
z 0.000 0.000 -24.348
Traceless
 xyz
x -1.873 0.000 0.000
y 0.000 -1.873 0.000
z 0.000 0.000 3.746
Polar
3z2-r27.492
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 3.187 0.000 0.000
y 0.000 3.188 0.000
z 0.000 0.000 2.390


<r2> (average value of r2) Å2
<r2> 79.391
(<r2>)1/2 8.910