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

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-589.233169
Energy at 298.15K-589.234091
HF Energy-589.233169
Nuclear repulsion energy174.256519
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 TPSSh/6-311G*
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 809 779 69.74      
2 A1 387 373 59.05      
3 E 935 900 176.23      
3 E 935 900 176.18      
4 E 276 266 11.41      
4 E 276 266 11.41      

Unscaled Zero Point Vibrational Energy (zpe) 1808.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1741.8 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 TPSSh/6-311G*
ABC
0.24043 0.24043 0.13248

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.387
F2 0.000 1.494 -0.201
F3 1.294 -0.747 -0.201
F4 -1.294 -0.747 -0.201

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.60581.60581.6058
F21.60582.58802.5880
F31.60582.58802.5880
F41.60582.58802.5880

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 107.386 F2 Si1 F4 107.386
F3 Si1 F4 107.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.137      
2 F -0.379      
3 F -0.379      
4 F -0.379      


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 1.553 1.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.188 0.000 0.000
y 0.000 3.187 0.001
z 0.000 0.001 2.290


<r2> (average value of r2) Å2
<r2> 80.696
(<r2>)1/2 8.983