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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-391.148747
Energy at 298.15K 
HF Energy-391.148747
Nuclear repulsion energy62.480742
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 B3PW91/6-311G**
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 2253 2170 31.52 244.60 0.04 0.08
2 A1 1015 978 240.87 16.46 0.67 0.80
3 A1 860 828 54.61 5.54 0.51 0.68
4 E 2260 2177 146.27 71.20 0.75 0.86
4 E 2260 2177 146.30 71.20 0.75 0.86
5 E 950 915 99.52 25.15 0.75 0.86
5 E 950 915 99.53 25.15 0.75 0.86
6 E 730 703 62.99 16.11 0.75 0.86
6 E 730 703 62.98 16.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6004.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 5782.4 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 B3PW91/6-311G**
ABC
2.82274 0.46474 0.46474

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.506
F2 0.000 0.000 -1.113
H3 0.000 1.405 0.980
H4 -1.217 -0.703 0.980
H5 1.217 -0.703 0.980

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61911.48341.48341.4834
F21.61912.52172.52172.5217
H31.48342.52172.43432.4343
H41.48342.52172.43432.4343
H51.48342.52172.43432.4343

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.659 F2 Si1 H4 108.659
F2 Si1 H5 108.659 H3 Si1 H4 110.271
H3 Si1 H5 110.271 H4 Si1 H5 110.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.843      
2 F -0.431      
3 H -0.137      
4 H -0.137      
5 H -0.137      


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 1.555 1.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.637 0.000 0.000
y 0.000 -19.637 0.000
z 0.000 0.000 -20.938
Traceless
 xyz
x 0.651 0.000 0.000
y 0.000 0.651 0.000
z 0.000 0.000 -1.301
Polar
3z2-r2-2.602
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 3.615 0.000 0.000
y 0.000 3.615 0.000
z 0.000 0.000 2.962


<r2> (average value of r2) Å2
<r2> 36.083
(<r2>)1/2 6.007