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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: TPSSh/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/6-311G**
 hartrees
Energy at 0K-589.898684
Energy at 298.15K 
HF Energy-589.898684
Nuclear repulsion energy186.077253
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 TPSSh/6-311G**
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 2391 2391 68.33 88.87 0.16 0.28
2 A1 832 832 84.86 4.89 0.00 0.00
3 A1 403 403 71.69 1.18 0.72 0.84
4 E 990 990 270.06 0.51 0.75 0.86
4 E 990 990 270.07 0.51 0.75 0.86
5 E 839 839 16.82 11.03 0.75 0.86
5 E 839 839 16.82 11.02 0.75 0.86
6 E 292 292 13.20 0.92 0.75 0.86
6 E 292 292 13.20 0.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3932.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3932.9 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 TPSSh/6-311G**
ABC
0.23202 0.23202 0.13339

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.332
H2 0.000 0.000 1.790
F3 0.000 1.489 -0.238
F4 1.290 -0.745 -0.238
F5 -1.290 -0.745 -0.238

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45811.59441.59441.5944
H21.45812.51592.51592.5159
F31.59442.51592.57912.5791
F41.59442.51592.57912.5791
F51.59442.51592.57912.5791

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.941 H2 Si1 F4 110.941
H2 Si1 F5 110.941 F3 Si1 F4 107.962
F3 Si1 F5 107.962 F4 Si1 F5 107.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.317      
2 H -0.154      
3 F -0.387      
4 F -0.387      
5 F -0.387      


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 1.574 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.673 0.000 0.000
y 0.000 2.673 -0.000
z 0.000 -0.000 2.829


<r2> (average value of r2) Å2
<r2> 83.829
(<r2>)1/2 9.156