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

using model chemistry: ROHF/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 ROHF/3-21G
 hartrees
Energy at 0K-584.241646
Energy at 298.15K-584.242734
HF Energy-584.241646
Nuclear repulsion energy174.181985
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 ROHF/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 908 824 74.85      
2 A1 416 378 114.36      
3 E 1065 966 131.22      
3 E 1065 966 131.22      
4 E 300 272 22.89      
4 E 300 272 22.89      

Unscaled Zero Point Vibrational Energy (zpe) 2027.4 cm-1
Scaled (by 0.907) Zero Point Vibrational Energy (zpe) 1838.9 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 ROHF/3-21G
ABC
0.24029 0.24029 0.13350

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.403
F2 0.000 1.488 -0.209
F3 1.289 -0.744 -0.209
F4 -1.289 -0.744 -0.209

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.60921.60921.6092
F21.60922.57812.5781
F31.60922.57812.5781
F41.60922.57812.5781

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 106.464 F2 Si1 F4 106.464
F3 Si1 F4 106.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.580      
2 F -0.527      
3 F -0.527      
4 F -0.527      


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 2.802 2.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.441 0.000 0.000
y 0.000 -30.441 0.003
z 0.000 0.003 -23.408
Traceless
 xyz
x -3.516 0.000 0.000
y 0.000 -3.516 0.003
z 0.000 0.003 7.033
Polar
3z2-r214.065
x2-y20.000
xy0.000
xz0.000
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 80.816
(<r2>)1/2 8.990