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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-391.233327
Energy at 298.15K 
HF Energy-391.233327
Nuclear repulsion energy62.447256
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 2276 2276 32.45 236.34 0.04 0.08
2 A1 1027 1027 248.91 15.76 0.68 0.81
3 A1 857 857 54.60 5.42 0.47 0.64
4 E 2281 2281 148.11 69.24 0.75 0.86
4 E 2281 2281 148.15 69.24 0.75 0.86
5 E 964 964 102.48 24.31 0.75 0.86
5 E 964 964 102.50 24.32 0.75 0.86
6 E 733 733 63.43 15.63 0.75 0.86
6 E 733 733 63.43 15.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6057.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6057.5 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
2.83517 0.46364 0.46364

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 0.980
H4 -1.214 -0.701 0.980
H5 1.214 -0.701 0.980

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62181.48021.48021.4802
F21.62182.52142.52142.5214
H31.48022.52142.42892.4289
H41.48022.52142.42892.4289
H51.48022.52142.42892.4289

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.662 F2 Si1 H4 108.662
F2 Si1 H5 108.662 H3 Si1 H4 110.268
H3 Si1 H5 110.268 H4 Si1 H5 110.268
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 0.844      
2 F -0.426      
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 1.510 1.510
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 3.568 0.000 0.000
y 0.000 3.568 -0.000
z 0.000 -0.000 2.978


<r2> (average value of r2) Å2
<r2> 36.101
(<r2>)1/2 6.008