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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-585.887667
Energy at 298.15K-585.888606
HF Energy-585.887667
Nuclear repulsion energy171.535826
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 mPW1PW91/3-21G
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 825 788 32.19      
2 A1 376 359 61.20      
3 E 981 936 85.07      
3 E 981 936 85.05      
4 E 277 265 12.70      
4 E 277 265 12.70      

Unscaled Zero Point Vibrational Energy (zpe) 1858.1 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 1773.7 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 mPW1PW91/3-21G
ABC
0.23305 0.23305 0.12963

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.411
F2 0.000 1.511 -0.213
F3 1.308 -0.755 -0.213
F4 -1.308 -0.755 -0.213

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.63441.63441.6344
F21.63442.61632.6163
F31.63442.61632.6163
F41.63442.61632.6163

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 106.335 F2 Si1 F4 106.335
F3 Si1 F4 106.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.188      
2 F -0.396      
3 F -0.396      
4 F -0.396      


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 1.899 1.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.434 0.000 0.000
y 0.000 -29.434 0.000
z 0.000 0.000 -24.098
Traceless
 xyz
x -2.668 0.000 0.000
y 0.000 -2.668 0.000
z 0.000 0.000 5.336
Polar
3z2-r210.672
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 2.866 0.000 0.000
y 0.000 2.867 0.000
z 0.000 0.000 2.118


<r2> (average value of r2) Å2
<r2> 82.471
(<r2>)1/2 9.081