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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-391.228286
Energy at 298.15K 
HF Energy-391.228286
Nuclear repulsion energy62.463571
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 TPSSh/6-311G*
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 2274 2190 33.90 220.42 0.04 0.08
2 A1 1032 994 269.96 17.44 0.69 0.81
3 A1 856 825 49.44 5.88 0.50 0.66
4 E 2277 2193 154.90 69.40 0.75 0.86
4 E 2277 2193 154.95 69.40 0.75 0.86
5 E 967 931 107.73 25.92 0.75 0.86
5 E 967 931 107.76 25.94 0.75 0.86
6 E 732 705 63.82 16.26 0.75 0.86
6 E 732 705 63.83 16.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6056.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 5833.7 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 TPSSh/6-311G*
ABC
2.83849 0.46383 0.46383

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.507
F2 0.000 0.000 -1.115
H3 0.000 1.402 0.981
H4 -1.214 -0.701 0.981
H5 1.214 -0.701 0.981

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62141.47971.47971.4797
F21.62142.52132.52132.5213
H31.47972.52132.42752.4275
H41.47972.52132.42752.4275
H51.47972.52132.42752.4275

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.704 F2 Si1 H4 108.704
F2 Si1 H5 108.704 H3 Si1 H4 110.228
H3 Si1 H5 110.228 H4 Si1 H5 110.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.693      
2 F -0.426      
3 H -0.089      
4 H -0.089      
5 H -0.089      


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 1.496 1.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.456 0.000 0.000
y 0.000 3.456 -0.000
z 0.000 -0.000 2.850


<r2> (average value of r2) Å2
<r2> 36.113
(<r2>)1/2 6.009