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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B3PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-589.810515
Energy at 298.15K 
HF Energy-589.810515
Nuclear repulsion energy187.113415
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 B3PW91/aug-cc-pVTZ
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 2360 2278 56.16 100.83 0.09 0.17
2 A1 835 806 78.69 7.96 0.00 0.00
3 A1 409 395 65.58 0.57 0.53 0.69
4 E 977 943 245.66 0.67 0.75 0.86
4 E 977 943 245.68 0.67 0.75 0.86
5 E 829 800 19.37 4.15 0.75 0.86
5 E 829 800 19.37 4.14 0.75 0.86
6 E 291 281 11.73 0.38 0.75 0.86
6 E 291 281 11.74 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3899.0 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 3763.0 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 B3PW91/aug-cc-pVTZ
ABC
0.23464 0.23464 0.13471

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.326
H2 0.000 0.000 1.788
F3 0.000 1.482 -0.235
F4 1.283 -0.741 -0.235
F5 -1.283 -0.741 -0.235

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46231.58441.58441.5844
H21.46232.50782.50782.5078
F31.58442.50782.56652.5665
F41.58442.50782.56652.5665
F51.58442.50782.56652.5665

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.737 H2 Si1 F4 110.737
H2 Si1 F5 110.737 F3 Si1 F4 108.177
F3 Si1 F5 108.177 F4 Si1 F5 108.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.608      
2 H 0.021      
3 F -0.543      
4 F -0.543      
5 F -0.543      


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 1.419 1.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.476 0.000 0.000
y 0.000 -29.476 0.000
z 0.000 0.000 -25.837
Traceless
 xyz
x -1.820 0.000 0.000
y 0.000 -1.820 0.000
z 0.000 0.000 3.639
Polar
3z2-r27.278
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 3.622 0.000 0.000
y 0.000 3.622 0.000
z 0.000 0.000 3.675


<r2> (average value of r2) Å2
<r2> 83.113
(<r2>)1/2 9.117