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

using model chemistry: LSDA/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at LSDA/TZVP
 hartrees
Energy at 0K-587.060125
Energy at 298.15K-587.060972
HF Energy-587.060125
Nuclear repulsion energy174.191718
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 LSDA/TZVP
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 795 786 68.13      
2 A1 369 364 52.01      
3 E 920 909 183.95      
3 E 920 909 183.97      
4 E 256 253 10.26      
4 E 256 253 10.25      

Unscaled Zero Point Vibrational Energy (zpe) 1757.3 cm-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 1736.9 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 LSDA/TZVP
ABC
0.24026 0.24026 0.13245

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.388
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
Si11.60651.60651.6065
F21.60652.58832.5883
F31.60652.58832.5883
F41.60652.58832.5883

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 107.329 F2 Si1 F4 107.329
F3 Si1 F4 107.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.707      
2 F -0.236      
3 F -0.236      
4 F -0.236      


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 -29.173 0.000 0.000
y 0.000 -29.173 0.000
z 0.000 0.000 -25.374
Traceless
 xyz
x -1.899 0.000 0.000
y 0.000 -1.899 0.000
z 0.000 0.000 3.799
Polar
3z2-r27.598
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 3.676 0.000 0.000
y 0.000 3.676 -0.000
z 0.000 -0.000 2.847


<r2> (average value of r2) Å2
<r2> 80.931
(<r2>)1/2 8.996