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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: PBE1PBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-390.950381
Energy at 298.15K 
HF Energy-390.950381
Nuclear repulsion energy61.576932
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/cc-pVDZ
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 2235 2149 26.61 239.05 0.04 0.08
2 A1 990 952 203.21 9.38 0.65 0.79
3 A1 856 823 32.60 5.71 0.47 0.64
4 E 2249 2162 130.34 63.49 0.75 0.86
4 E 2249 2162 130.36 63.49 0.75 0.86
5 E 935 899 83.24 19.21 0.75 0.86
5 E 935 899 83.25 19.22 0.75 0.86
6 E 714 686 53.24 13.56 0.75 0.86
6 E 714 686 53.24 13.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5936.9 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 5708.3 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/cc-pVDZ
ABC
2.76627 0.45024 0.45024

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.517
F2 0.000 0.000 -1.132
H3 0.000 1.420 0.981
H4 -1.230 -0.710 0.981
H5 1.230 -0.710 0.981

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.64891.49361.49361.4936
F21.64892.54542.54542.5454
H31.49362.54542.45902.4590
H41.49362.54542.45902.4590
H51.49362.54542.45902.4590

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.093 F2 Si1 H4 108.093
F2 Si1 H5 108.093 H3 Si1 H4 110.814
H3 Si1 H5 110.814 H4 Si1 H5 110.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.531      
2 F -0.344      
3 H -0.063      
4 H -0.063      
5 H -0.063      


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 1.564 1.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.590 0.000 0.000
y 0.000 -19.590 0.000
z 0.000 0.000 -20.757
Traceless
 xyz
x 0.583 0.000 0.000
y 0.000 0.583 0.000
z 0.000 0.000 -1.167
Polar
3z2-r2-2.334
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 3.718 0.000 0.000
y 0.000 3.718 0.000
z 0.000 0.000 3.125


<r2> (average value of r2) Å2
<r2> 36.684
(<r2>)1/2 6.057