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

using model chemistry: ROHF/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 ROHF/6-31G**
 hartrees
Energy at 0K-587.380297
Energy at 298.15K-587.381410
HF Energy-587.380297
Nuclear repulsion energy177.570892
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 ROHF/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 903 772 96.35      
2 A1 438 375 89.59      
3 E 1042 890 209.08      
3 E 1042 890 209.08      
4 E 308 263 16.07      
4 E 308 263 16.07      

Unscaled Zero Point Vibrational Energy (zpe) 2020.8 cm-1
Scaled (by 0.8546) Zero Point Vibrational Energy (zpe) 1727.0 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 ROHF/6-31G**
ABC
0.24964 0.24964 0.13717

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.375
F2 0.000 1.468 -0.194
F3 1.272 -0.734 -0.194
F4 -1.272 -0.734 -0.194

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.57491.57491.5749
F21.57492.54342.5434
F31.57492.54342.5434
F41.57492.54342.5434

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 107.701 F2 Si1 F4 107.701
F3 Si1 F4 107.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.434      
2 F -0.478      
3 F -0.478      
4 F -0.478      


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 1.756 1.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.754 0.000 0.000
y 0.000 -28.755 0.002
z 0.000 0.002 -24.150
Traceless
 xyz
x -2.301 0.000 0.000
y 0.000 -2.303 0.002
z 0.000 0.002 4.604
Polar
3z2-r29.208
x2-y20.002
xy0.000
xz0.000
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 78.207
(<r2>)1/2 8.843