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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: TPSSh/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-391.272249
Energy at 298.15K 
HF Energy-391.272249
Nuclear repulsion energy62.884670
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/cc-pVQZ
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 2269 2269 31.43 274.81 0.03 0.06
2 A1 995 995 186.80 1.41 0.75 0.86
3 A1 864 864 61.77 5.03 0.32 0.48
4 E 2274 2274 134.09 50.82 0.75 0.86
4 E 2274 2274 134.15 50.79 0.75 0.86
5 E 970 970 81.65 7.15 0.75 0.86
5 E 970 970 81.68 7.11 0.75 0.86
6 E 724 724 52.88 6.35 0.75 0.86
6 E 724 724 52.89 6.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6031.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6031.9 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/cc-pVQZ
ABC
2.83358 0.47165 0.47165

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.503
F2 0.000 0.000 -1.105
H3 0.000 1.403 0.965
H4 -1.215 -0.701 0.965
H5 1.215 -0.701 0.965

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.60791.47691.47691.4769
F21.60792.50052.50052.5005
H31.47692.50052.42962.4296
H41.47692.50052.42962.4296
H51.47692.50052.42962.4296

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.232 F2 Si1 H4 108.232
F2 Si1 H5 108.232 H3 Si1 H4 110.681
H3 Si1 H5 110.681 H4 Si1 H5 110.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.778      
2 F -0.360      
3 H -0.139      
4 H -0.139      
5 H -0.139      


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 1.259 1.259
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 4.169 0.000 0.000
y 0.000 4.170 0.000
z 0.000 0.000 3.805


<r2> (average value of r2) Å2
<r2> 35.752
(<r2>)1/2 5.979