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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: wB97X-D/STO-3G

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/STO-3G
 hartrees
Energy at 0K-386.307531
Energy at 298.15K 
HF Energy-386.307531
Nuclear repulsion energy62.124582
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/STO-3G
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 2663 2663 16.54 66.04 0.04 0.08
2 A1 1134 1134 208.45 8.82 0.71 0.83
3 A1 879 879 3.62 3.45 0.40 0.57
4 E 2708 2708 36.86 36.73 0.75 0.86
4 E 2708 2708 36.81 36.74 0.75 0.86
5 E 1123 1123 69.17 21.37 0.75 0.86
5 E 1123 1123 69.13 21.37 0.75 0.86
6 E 774 774 70.23 6.24 0.75 0.86
6 E 774 774 70.23 6.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6942.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6942.4 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 wB97X-D/STO-3G
ABC
3.01839 0.45113 0.45113

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.514
F2 0.000 0.000 -1.135
H3 0.000 1.359 1.006
H4 -1.177 -0.680 1.006
H5 1.177 -0.680 1.006

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.64891.44531.44531.4453
F21.64892.53552.53552.5355
H31.44532.53552.35412.3541
H41.44532.53552.35412.3541
H51.44532.53552.35412.3541

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.884 F2 Si1 H4 109.884
F2 Si1 H5 109.884 H3 Si1 H4 109.056
H3 Si1 H5 109.056 H4 Si1 H5 109.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.643      
2 F -0.245      
3 H -0.133      
4 H -0.133      
5 H -0.133      


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 0.667 0.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.480 0.000 0.000
y 0.000 -17.480 0.000
z 0.000 0.000 -18.669
Traceless
 xyz
x 0.594 0.000 0.000
y 0.000 0.594 0.000
z 0.000 0.000 -1.188
Polar
3z2-r2-2.376
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 1.427 0.000 0.000
y 0.000 1.428 0.000
z 0.000 0.000 1.668


<r2> (average value of r2) Å2
<r2> 35.031
(<r2>)1/2 5.919