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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-589.862384
Energy at 298.15K 
HF Energy-589.862384
Nuclear repulsion energy187.366312
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 wB97X-D/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 2343 2240 64.68 88.12 0.12 0.22
2 A1 847 810 82.49 4.90 0.00 0.00
3 A1 414 396 68.83 0.65 0.65 0.79
4 E 990 946 248.64 0.36 0.75 0.86
4 E 990 946 248.83 0.36 0.75 0.86
5 E 835 798 22.96 5.76 0.75 0.86
5 E 835 798 22.99 5.75 0.75 0.86
6 E 296 283 11.65 0.45 0.75 0.86
6 E 296 283 11.69 0.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3923.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 3750.5 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 wB97X-D/cc-pVTZ
ABC
0.23527 0.23527 0.13507

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/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 1.785
F3 0.000 1.480 -0.235
F4 1.282 -0.740 -0.235
F5 -1.282 -0.740 -0.235

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45971.58231.58231.5823
H21.45972.50412.50412.5041
F31.58232.50412.56302.5630
F41.58232.50412.56302.5630
F51.58232.50412.56302.5630

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.742 H2 Si1 F4 110.742
H2 Si1 F5 110.742 F3 Si1 F4 108.171
F3 Si1 F5 108.171 F4 Si1 F5 108.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.811      
2 H -0.030      
3 F -0.260      
4 F -0.260      
5 F -0.260      


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 1.359 1.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.082 0.000 0.000
y 0.000 -29.082 0.000
z 0.000 0.000 -25.737
Traceless
 xyz
x -1.672 0.000 0.000
y 0.000 -1.672 0.000
z 0.000 0.000 3.344
Polar
3z2-r26.689
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 3.081 0.000 0.000
y 0.000 3.082 -0.000
z 0.000 -0.000 3.191


<r2> (average value of r2) Å2
<r2> 82.750
(<r2>)1/2 9.097