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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-588.688857
Energy at 298.15K-588.689743
HF Energy-588.688857
Nuclear repulsion energy173.238870
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 PBEPBE/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 797 786 47.60      
2 A1 379 373 45.21      
3 E 944 931 131.17      
3 E 944 931 131.13      
4 E 267 263 8.04      
4 E 267 263 8.04      

Unscaled Zero Point Vibrational Energy (zpe) 1798.3 cm-1
Scaled (by 0.9863) 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 PBEPBE/6-31G**
ABC
0.23758 0.23758 0.13010

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.378
F2 0.000 1.508 -0.196
F3 1.306 -0.754 -0.196
F4 -1.306 -0.754 -0.196

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.61311.61311.6131
F21.61312.61162.6116
F31.61312.61162.6116
F41.61312.61162.6116

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 108.091 F2 Si1 F4 108.091
F3 Si1 F4 108.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.922      
2 F -0.307      
3 F -0.307      
4 F -0.307      


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 1.063 1.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.081 0.000 0.000
y 0.000 -28.081 0.000
z 0.000 0.000 -24.735
Traceless
 xyz
x -1.673 0.000 0.000
y 0.000 -1.673 0.000
z 0.000 0.000 3.345
Polar
3z2-r26.691
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 3.466 0.000 0.000
y 0.000 3.466 0.000
z 0.000 0.000 2.625


<r2> (average value of r2) Å2
<r2> 81.257
(<r2>)1/2 9.014