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

using model chemistry: ROHF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-587.383249
Energy at 298.15K-587.384277
HF Energy-587.383249
Nuclear repulsion energy173.606481
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/cc-pVDZ
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 865 744 93.95      
2 A1 413 355 93.06      
3 E 995 857 199.32      
3 E 995 857 199.32      
4 E 289 249 18.46      
4 E 289 249 18.46      

Unscaled Zero Point Vibrational Energy (zpe) 1923.2 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 1655.3 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/cc-pVDZ
ABC
0.23864 0.23864 0.13142

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.388
F2 0.000 1.500 -0.201
F3 1.299 -0.750 -0.201
F4 -1.299 -0.750 -0.201

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.61161.61161.6116
F21.61162.59852.5985
F31.61162.59852.5985
F41.61162.59852.5985

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 107.450 F2 Si1 F4 107.450
F3 Si1 F4 107.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.265      
2 F -0.422      
3 F -0.422      
4 F -0.422      


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 2.008 2.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.656 0.000 0.000
y 0.000 -29.657 0.002
z 0.000 0.002 -24.594
Traceless
 xyz
x -2.530 0.000 0.000
y 0.000 -2.532 0.002
z 0.000 0.002 5.063
Polar
3z2-r210.125
x2-y20.001
xy0.000
xz0.000
yz0.002


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> 81.432
(<r2>)1/2 9.024