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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: wB97X-D/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/CEP-121G*
 hartrees
Energy at 0K-29.909651
Energy at 298.15K 
HF Energy-29.909651
Nuclear repulsion energy18.379440
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 wB97X-D/CEP-121G*
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 2258 2258 35.77 242.23 0.05 0.09
2 A1 986 986 215.28 13.60 0.69 0.81
3 A1 844 844 72.22 4.98 0.43 0.60
4 E 2273 2273 180.18 76.25 0.75 0.86
4 E 2273 2273 180.34 76.30 0.75 0.86
5 E 950 950 99.06 20.09 0.75 0.86
5 E 950 950 99.20 19.92 0.75 0.86
6 E 721 721 55.51 14.71 0.75 0.86
6 E 721 721 55.47 14.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5988.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5988.8 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 wB97X-D/CEP-121G*
ABC
2.75645 0.46039 0.46039

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

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 -1.118
H3 0.000 1.422 0.978
H4 -1.232 -0.711 0.978
H5 1.232 -0.711 0.978

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62701.49751.49751.4975
F21.62702.53282.53282.5328
H31.49752.53282.46342.4634
H41.49752.53282.46342.4634
H51.49752.53282.46342.4634

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.242 F2 Si1 H4 108.242
F2 Si1 H5 108.242 H3 Si1 H4 110.672
H3 Si1 H5 110.672 H4 Si1 H5 110.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.525      
2 F -0.375      
3 H -0.050      
4 H -0.050      
5 H -0.050      


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 1.565 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.400 0.000 0.000
y 0.000 -18.400 0.000
z 0.000 0.000 -19.704
Traceless
 xyz
x 0.652 0.000 0.000
y 0.000 0.652 0.000
z 0.000 0.000 -1.304
Polar
3z2-r2-2.608
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 3.622 0.000 0.000
y 0.000 3.625 0.000
z 0.000 0.000 3.024


<r2> (average value of r2) Å2
<r2> 30.485
(<r2>)1/2 5.521