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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-588.718635
Energy at 298.15K-588.719607
HF Energy-588.718635
Nuclear repulsion energy175.272445
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 PBE1PBE/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 841 802 62.33      
2 A1 400 381 58.95      
3 E 988 942 156.44      
3 E 988 942 156.41      
4 E 280 266 10.36      
4 E 280 266 10.36      

Unscaled Zero Point Vibrational Energy (zpe) 1888.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1799.6 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 PBE1PBE/6-31G**
ABC
0.24320 0.24320 0.13331

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.490 -0.194
F3 1.290 -0.745 -0.194
F4 -1.290 -0.745 -0.194

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.59471.59471.5947
F21.59472.58002.5800
F31.59472.58002.5800
F41.59472.58002.5800

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 107.978 F2 Si1 F4 107.978
F3 Si1 F4 107.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.065      
2 F -0.355      
3 F -0.355      
4 F -0.355      


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 1.269 1.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.173 0.000 0.000
y 0.000 -28.173 0.000
z 0.000 0.000 -24.450
Traceless
 xyz
x -1.861 0.000 0.000
y 0.000 -1.861 0.000
z 0.000 0.000 3.723
Polar
3z2-r27.445
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 3.213 0.000 0.000
y 0.000 3.214 -0.000
z 0.000 -0.000 2.375


<r2> (average value of r2) Å2
<r2> 79.719
(<r2>)1/2 8.929