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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: TPSSh/aug-cc-pCVTZ

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/aug-cc-pCVTZ
 hartrees
Energy at 0K-589.972368
Energy at 298.15K 
HF Energy-589.972368
Nuclear repulsion energy187.500184
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/aug-cc-pCVTZ
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 2373 2373 59.48 98.88 0.09 0.17
2 A1 831 831 75.09 8.30 0.00 0.00
3 A1 407 407 61.70 0.58 0.53 0.70
4 E 976 976 247.77 0.63 0.75 0.86
4 E 976 976 247.86 0.62 0.75 0.86
5 E 833 833 16.49 3.94 0.75 0.86
5 E 833 833 16.49 3.93 0.75 0.86
6 E 291 291 11.18 0.40 0.75 0.86
6 E 291 291 11.20 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3904.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3904.5 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/aug-cc-pCVTZ
ABC
0.23561 0.23561 0.13511

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pCVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.323
H2 0.000 0.000 1.781
F3 0.000 1.480 -0.234
F4 1.281 -0.740 -0.234
F5 -1.281 -0.740 -0.234

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45811.58091.58091.5809
H21.45812.50002.50002.5000
F31.58092.50002.56272.5627
F41.58092.50002.56272.5627
F51.58092.50002.56272.5627

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.630 H2 Si1 F4 110.630
H2 Si1 F5 110.630 F3 Si1 F4 108.288
F3 Si1 F5 108.288 F4 Si1 F5 108.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.802      
2 H -0.003      
3 F -0.599      
4 F -0.599      
5 F -0.599      


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 1.314 1.314
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 3.664 0.000 0.000
y 0.000 3.665 -0.000
z 0.000 -0.000 3.707


<r2> (average value of r2) Å2
<r2> 82.852
(<r2>)1/2 9.102