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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: wB97X-D/6-31G**

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/6-31G**
 hartrees
Energy at 0K-391.131189
Energy at 298.15K 
HF Energy-391.131189
Nuclear repulsion energy62.721013
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/6-31G**
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 2299 2299 43.02 183.28 0.04 0.07
2 A1 1043 1043 263.51 14.19 0.62 0.76
3 A1 904 904 30.30 6.41 0.46 0.63
4 E 2297 2297 199.96 55.54 0.75 0.86
4 E 2297 2297 199.99 55.49 0.75 0.86
5 E 965 965 105.05 22.33 0.75 0.86
5 E 965 965 105.16 22.33 0.75 0.86
6 E 744 744 62.99 10.24 0.75 0.86
6 E 744 744 63.01 10.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6128.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6128.3 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 wB97X-D/6-31G**
ABC
2.84280 0.46854 0.46854

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.501
F2 0.000 0.000 -1.109
H3 0.000 1.400 0.987
H4 -1.213 -0.700 0.987
H5 1.213 -0.700 0.987

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61031.48241.48241.4824
F21.61032.52112.52112.5211
H31.48242.52112.42572.4257
H41.48242.52112.42572.4257
H51.48242.52112.42572.4257

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.140 F2 Si1 H4 109.140
F2 Si1 H5 109.140 H3 Si1 H4 109.800
H3 Si1 H5 109.800 H4 Si1 H5 109.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.774      
2 F -0.404      
3 H -0.123      
4 H -0.123      
5 H -0.123      


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 1.326 1.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.397 0.000 0.000
y 0.000 -19.397 0.000
z 0.000 0.000 -20.401
Traceless
 xyz
x 0.502 0.000 0.000
y 0.000 0.502 0.000
z 0.000 0.000 -1.003
Polar
3z2-r2-2.007
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 3.179 0.000 0.000
y 0.000 3.183 0.001
z 0.000 0.001 2.758


<r2> (average value of r2) Å2
<r2> 35.719
(<r2>)1/2 5.977