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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-390.953657
Energy at 298.15K 
HF Energy-390.953657
Nuclear repulsion energy61.976982
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 PBEPBE/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 2182 2159 32.08 239.52 0.04 0.08
2 A1 990 980 232.92 19.09 0.67 0.81
3 A1 830 821 40.71 7.28 0.51 0.68
4 E 2190 2168 146.86 75.92 0.75 0.86
4 E 2190 2168 146.89 75.92 0.75 0.86
5 E 914 905 89.77 28.54 0.75 0.86
5 E 914 905 89.78 28.55 0.75 0.86
6 E 705 697 56.10 17.91 0.75 0.86
6 E 705 697 56.10 17.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5809.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 5749.3 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 PBEPBE/6-311G*
ABC
2.79036 0.45687 0.45687

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

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 -1.123
H3 0.000 1.414 0.995
H4 -1.224 -0.707 0.995
H5 1.224 -0.707 0.995

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.63231.49471.49471.4947
F21.63232.54642.54642.5464
H31.49472.54642.44842.4484
H41.49472.54642.44842.4484
H51.49472.54642.44842.4484

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.966 F2 Si1 H4 108.966
F2 Si1 H5 108.966 H3 Si1 H4 109.972
H3 Si1 H5 109.972 H4 Si1 H5 109.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.612      
2 F -0.393      
3 H -0.073      
4 H -0.073      
5 H -0.073      


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 1.442 1.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.886 0.000 0.000
y 0.000 -19.886 0.000
z 0.000 0.000 -20.985
Traceless
 xyz
x 0.549 0.000 0.000
y 0.000 0.549 0.000
z 0.000 0.000 -1.099
Polar
3z2-r2-2.198
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 3.694 0.000 0.000
y 0.000 3.694 -0.000
z 0.000 -0.000 3.038


<r2> (average value of r2) Å2
<r2> 36.596
(<r2>)1/2 6.049