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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-105.559803
Energy at 298.15K 
HF Energy-105.559803
Nuclear repulsion energy21.702517
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 B3LYP/LANL2DZ
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 2241 2154 35.93 231.04 0.04 0.07
2 A1 984 946 210.02 20.21 0.68 0.81
3 A1 762 732 44.74 6.45 0.37 0.54
4 E 2262 2174 117.84 70.34 0.75 0.86
4 E 2262 2174 117.84 70.35 0.75 0.86
5 E 949 912 75.22 36.30 0.75 0.86
5 E 949 912 75.22 36.30 0.75 0.86
6 E 698 671 56.15 16.89 0.75 0.86
6 E 698 671 56.14 16.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5902.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 5673.2 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 B3LYP/LANL2DZ
ABC
2.81948 0.42825 0.42825

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.534
F2 0.000 0.000 -1.164
H3 0.000 1.406 0.997
H4 -1.218 -0.703 0.997
H5 1.218 -0.703 0.997

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.69791.48051.48051.4805
F21.69792.57822.57822.5782
H31.48052.57822.43572.4357
H41.48052.57822.43572.4357
H51.48052.57822.43572.4357

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.224 F2 Si1 H4 108.224
F2 Si1 H5 108.224 H3 Si1 H4 110.689
H3 Si1 H5 110.689 H4 Si1 H5 110.689
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.810      
2 F -0.533      
3 H -0.092      
4 H -0.092      
5 H -0.092      


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 2.539 2.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.521 0.000 0.000
y 0.000 -18.521 0.000
z 0.000 0.000 -20.899
Traceless
 xyz
x 1.189 0.000 0.000
y 0.000 1.189 0.000
z 0.000 0.000 -2.378
Polar
3z2-r2-4.757
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 2.909 0.000 0.000
y 0.000 2.910 0.000
z 0.000 0.000 2.804


<r2> (average value of r2) Å2
<r2> 34.307
(<r2>)1/2 5.857