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

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-587.541904
Energy at 298.15K-587.543038
HF Energy-587.541904
Nuclear repulsion energy178.816952
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 HF/cc-pVTZ
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 898 817 98.51      
2 A1 441 401 83.46      
3 E 1027 934 219.51      
3 E 1027 934 219.51      
4 E 312 284 14.48      
4 E 312 284 14.48      

Unscaled Zero Point Vibrational Energy (zpe) 2008.4 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 1827.8 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 HF/cc-pVTZ
ABC
0.25315 0.25315 0.13910

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.372
F2 0.000 1.458 -0.193
F3 1.263 -0.729 -0.193
F4 -1.263 -0.729 -0.193

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.56391.56391.5639
F21.56392.52572.5257
F31.56392.52572.5257
F41.56392.52572.5257

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 107.703 F2 Si1 F4 107.703
F3 Si1 F4 107.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.972      
2 F -0.324      
3 F -0.324      
4 F -0.324      


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 1.393 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.576 0.000 0.000
y 0.000 -28.576 0.000
z 0.000 0.000 -25.121
Traceless
 xyz
x -1.727 0.000 0.000
y 0.000 -1.727 0.000
z 0.000 0.000 3.454
Polar
3z2-r26.909
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 3.078 0.000 0.000
y 0.000 3.078 0.000
z 0.000 0.000 2.424


<r2> (average value of r2) Å2
<r2> 77.485
(<r2>)1/2 8.803