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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G**
 hartrees
Energy at 0K-390.989596
Energy at 298.15K 
HF Energy-390.989596
Nuclear repulsion energy62.569697
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 PBE1PBE/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 2260 2168 30.39 245.35 0.04 0.08
2 A1 1014 973 242.62 16.39 0.66 0.80
3 A1 868 833 52.28 5.65 0.53 0.69
4 E 2266 2174 142.44 70.83 0.75 0.86
4 E 2266 2174 142.47 70.83 0.75 0.86
5 E 949 910 98.59 25.15 0.75 0.86
5 E 949 910 98.60 25.16 0.75 0.86
6 E 730 700 64.00 15.98 0.75 0.86
6 E 730 700 64.00 15.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6015.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5771.7 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 PBE1PBE/6-311G**
ABC
2.82049 0.46647 0.46647

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.504
F2 0.000 0.000 -1.111
H3 0.000 1.406 0.979
H4 -1.218 -0.703 0.979
H5 1.218 -0.703 0.979

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61561.48401.48401.4840
F21.61562.51932.51932.5193
H31.48402.51932.43522.4352
H41.48402.51932.43522.4352
H51.48402.51932.43522.4352

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.661 F2 Si1 H4 108.661
F2 Si1 H5 108.661 H3 Si1 H4 110.269
H3 Si1 H5 110.269 H4 Si1 H5 110.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.835      
2 F -0.431      
3 H -0.134      
4 H -0.134      
5 H -0.134      


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 1.554 1.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.676 0.000 0.000
y 0.000 -19.676 0.000
z 0.000 0.000 -20.965
Traceless
 xyz
x 0.644 0.000 0.000
y 0.000 0.644 0.000
z 0.000 0.000 -1.288
Polar
3z2-r2-2.577
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 3.620 0.000 0.000
y 0.000 3.620 0.000
z 0.000 0.000 2.951


<r2> (average value of r2) Å2
<r2> 36.040
(<r2>)1/2 6.003