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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-391.088482
Energy at 298.15K 
HF Energy-391.088482
Nuclear repulsion energy60.288277
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 2220 2117 44.68 223.10 0.04 0.07
2 A1 986 940 201.94 21.57 0.64 0.78
3 A1 801 764 26.12 7.27 0.38 0.55
4 E 2243 2139 180.74 71.25 0.75 0.86
4 E 2243 2139 180.80 71.22 0.75 0.86
5 E 909 867 82.57 36.16 0.75 0.86
5 E 909 867 82.58 36.17 0.75 0.86
6 E 694 661 56.29 16.92 0.75 0.86
6 E 694 661 56.28 16.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5848.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 5577.7 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
2.77850 0.42668 0.42668

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 0.533
F2 0.000 0.000 -1.165
H3 0.000 1.417 1.007
H4 -1.227 -0.708 1.007
H5 1.227 -0.708 1.007

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.69871.49361.49361.4936
F21.69872.59332.59332.5933
H31.49362.59332.45362.4536
H41.49362.59332.45362.4536
H51.49362.59332.45362.4536

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.482 F2 Si1 H4 108.482
F2 Si1 H5 108.482 H3 Si1 H4 110.442
H3 Si1 H5 110.442 H4 Si1 H5 110.442
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 0.837      
2 F -0.481      
3 H -0.119      
4 H -0.119      
5 H -0.119      


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 2.361 2.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.673 0.000 0.000
y 0.000 -19.673 0.000
z 0.000 0.000 -21.708
Traceless
 xyz
x 1.018 0.000 0.000
y 0.000 1.018 0.000
z 0.000 0.000 -2.035
Polar
3z2-r2-4.071
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 3.165 -0.000
z 0.000 -0.000 2.872


<r2> (average value of r2) Å2
<r2> 37.977
(<r2>)1/2 6.163