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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-391.106784
Energy at 298.15K 
HF Energy-391.106784
Nuclear repulsion energy62.241781
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 B97D3/6-31G*
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 2211 2167 46.27 187.27 0.04 0.07
2 A1 1020 1000 237.58 15.77 0.62 0.77
3 A1 856 840 31.98 6.93 0.41 0.58
4 E 2218 2175 207.71 60.15 0.75 0.86
4 E 2218 2175 207.78 60.14 0.75 0.86
5 E 933 915 95.43 23.28 0.75 0.86
5 E 933 915 95.46 23.29 0.75 0.86
6 E 728 713 54.70 11.03 0.75 0.86
6 E 728 713 54.71 11.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5922.6 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 5806.5 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 B97D3/6-31G*
ABC
2.81150 0.46102 0.46102

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.505
F2 0.000 0.000 -1.118
H3 0.000 1.408 0.999
H4 -1.220 -0.704 0.999
H5 1.220 -0.704 0.999

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62301.49251.49251.4925
F21.62302.54312.54312.5431
H31.49252.54312.43912.4391
H41.49252.54312.43912.4391
H51.49252.54312.43912.4391

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.349 F2 Si1 H4 109.349
F2 Si1 H5 109.349 H3 Si1 H4 109.593
H3 Si1 H5 109.593 H4 Si1 H5 109.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.628      
2 F -0.375      
3 H -0.084      
4 H -0.084      
5 H -0.084      


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 1.193 1.193
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.515 0.000 0.000
y 0.000 -19.515 0.000
z 0.000 0.000 -20.353
Traceless
 xyz
x 0.419 0.000 0.000
y 0.000 0.419 0.000
z 0.000 0.000 -0.838
Polar
3z2-r2-1.676
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 3.256 0.000 0.000
y 0.000 3.257 0.000
z 0.000 0.000 2.867


<r2> (average value of r2) Å2
<r2> 36.130
(<r2>)1/2 6.011