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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: wB97X-D/CEP-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 wB97X-D/CEP-31G
 hartrees
Energy at 0K-29.836930
Energy at 298.15K 
HF Energy-29.836930
Nuclear repulsion energy17.743119
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-31G
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 2216 2216 39.15 233.70 0.05 0.09
2 A1 947 947 190.24 17.80 0.70 0.83
3 A1 745 745 60.27 7.87 0.52 0.69
4 E 2252 2252 189.60 101.15 0.75 0.86
4 E 2252 2252 189.28 100.92 0.75 0.86
5 E 923 923 84.10 32.29 0.75 0.86
5 E 923 923 84.17 32.11 0.75 0.86
6 E 677 677 51.24 15.88 0.75 0.86
6 E 677 677 51.24 15.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5805.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5805.6 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-31G
ABC
2.71369 0.41757 0.41757

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.544
F2 0.000 0.000 -1.178
H3 0.000 1.433 0.995
H4 -1.241 -0.717 0.995
H5 1.241 -0.717 0.995

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.72141.50261.50261.5026
F21.72142.60252.60252.6025
H31.50262.60252.48272.4827
H41.50262.60252.48272.4827
H51.50262.60252.48272.4827

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.458 F2 Si1 H4 107.458
F2 Si1 H5 107.458 H3 Si1 H4 111.407
H3 Si1 H5 111.407 H4 Si1 H5 111.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.708      
2 F -0.508      
3 H -0.067      
4 H -0.067      
5 H -0.067      


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 2.958 2.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.426 0.000 0.000
y 0.000 -18.426 0.000
z 0.000 0.000 -21.090
Traceless
 xyz
x 1.332 0.000 0.000
y 0.000 1.332 0.000
z 0.000 0.000 -2.663
Polar
3z2-r2-5.326
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 2.845 0.000 0.000
y 0.000 2.852 0.000
z 0.000 0.000 2.849


<r2> (average value of r2) Å2
<r2> 32.084
(<r2>)1/2 5.664