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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-391.154483
Energy at 298.15K 
HF Energy-391.154483
Nuclear repulsion energy62.813273
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 B1B95/6-31G*
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 2294 2178 42.57 185.18 0.04 0.07
2 A1 1034 982 265.64 14.79 0.60 0.75
3 A1 901 856 24.24 7.15 0.50 0.66
4 E 2301 2185 196.91 57.88 0.75 0.86
4 E 2301 2185 196.99 57.88 0.75 0.86
5 E 953 905 101.17 23.36 0.75 0.86
5 E 953 905 101.20 23.38 0.75 0.86
6 E 738 701 61.27 10.80 0.75 0.86
6 E 738 701 61.26 10.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6107.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 5797.8 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 B1B95/6-31G*
ABC
2.84475 0.47016 0.47016

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.500
F2 0.000 0.000 -1.107
H3 0.000 1.400 0.985
H4 -1.212 -0.700 0.985
H5 1.212 -0.700 0.985

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.60731.48161.48161.4816
F21.60732.51752.51752.5175
H31.48162.51752.42482.4248
H41.48162.51752.42482.4248
H51.48162.51752.42482.4248

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.109 F2 Si1 H4 109.109
F2 Si1 H5 109.109 H3 Si1 H4 109.831
H3 Si1 H5 109.831 H4 Si1 H5 109.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.656      
2 F -0.394      
3 H -0.087      
4 H -0.087      
5 H -0.087      


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 1.284 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.416 0.000 0.000
y 0.000 -19.416 0.000
z 0.000 0.000 -20.321
Traceless
 xyz
x 0.453 0.000 0.000
y 0.000 0.453 0.000
z 0.000 0.000 -0.906
Polar
3z2-r2-1.811
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 3.165 0.000 0.000
y 0.000 3.167 0.000
z 0.000 0.000 2.722


<r2> (average value of r2) Å2
<r2> 35.642
(<r2>)1/2 5.970