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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-391.168311
Energy at 298.15K 
HF Energy-391.168311
Nuclear repulsion energy62.442616
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 B1B95/6-31+G**
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 2286 2186 39.02 241.26 0.04 0.08
2 A1 988 945 245.17 10.06 0.63 0.77
3 A1 862 825 70.36 6.87 0.45 0.62
4 E 2297 2197 163.79 63.63 0.75 0.86
4 E 2297 2197 163.85 63.62 0.75 0.86
5 E 961 920 88.85 16.63 0.75 0.86
5 E 961 920 88.87 16.65 0.75 0.86
6 E 717 686 53.77 15.76 0.75 0.86
6 E 717 686 53.75 15.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6042.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5780.4 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 B1B95/6-31+G**
ABC
2.82231 0.46387 0.46387

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.509
F2 0.000 0.000 -1.114
H3 0.000 1.406 0.968
H4 -1.217 -0.703 0.968
H5 1.217 -0.703 0.968

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62341.47851.47851.4785
F21.62342.51222.51222.5122
H31.47852.51222.43452.4345
H41.47852.51222.43452.4345
H51.47852.51222.43452.4345

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.076 F2 Si1 H4 108.076
F2 Si1 H5 108.076 H3 Si1 H4 110.829
H3 Si1 H5 110.829 H4 Si1 H5 110.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.661      
2 F -0.377      
3 H -0.095      
4 H -0.095      
5 H -0.095      


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 1.669 1.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.735 0.000 0.000
y 0.000 -19.735 0.000
z 0.000 0.000 -21.017
Traceless
 xyz
x 0.641 0.000 0.000
y 0.000 0.641 0.000
z 0.000 0.000 -1.282
Polar
3z2-r2-2.565
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 3.682 0.000 0.000
y 0.000 3.683 -0.000
z 0.000 -0.000 3.101


<r2> (average value of r2) Å2
<r2> 36.134
(<r2>)1/2 6.011