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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-391.073658
Energy at 298.15K 
HF Energy-391.073658
Nuclear repulsion energy59.560521
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 BLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2117 2101 46.75 221.00 0.04 0.07
2 A1 969 962 181.35 21.49 0.64 0.78
3 A1 760 754 22.98 7.54 0.33 0.50
4 E 2142 2126 185.27 73.88 0.75 0.86
4 E 2142 2126 185.29 73.89 0.75 0.86
5 E 875 868 77.28 34.12 0.75 0.86
5 E 875 868 77.28 34.11 0.75 0.86
6 E 678 673 47.76 16.77 0.75 0.86
6 E 678 673 47.76 16.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5618.1 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 5575.4 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 BLYP/6-31G
ABC
2.73234 0.41580 0.41580

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.539
F2 0.000 0.000 -1.181
H3 0.000 1.428 1.027
H4 -1.237 -0.714 1.027
H5 1.237 -0.714 1.027

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.72011.50961.50961.5096
F21.72012.63002.63002.6300
H31.50962.63002.47422.4742
H41.50962.63002.47422.4742
H51.50962.63002.47422.4742

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.868 F2 Si1 H4 108.868
F2 Si1 H5 108.868 H3 Si1 H4 110.068
H3 Si1 H5 110.068 H4 Si1 H5 110.068
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.738      
2 F -0.420      
3 H -0.106      
4 H -0.106      
5 H -0.106      


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 2.091 2.091
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.941 0.000 0.000
y 0.000 -19.941 0.000
z 0.000 0.000 -21.648
Traceless
 xyz
x 0.854 0.000 0.000
y 0.000 0.854 0.000
z 0.000 0.000 -1.708
Polar
3z2-r2-3.416
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 3.286 0.000 0.000
y 0.000 3.286 0.000
z 0.000 0.000 3.119


<r2> (average value of r2) Å2
<r2> 38.719
(<r2>)1/2 6.222