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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G**
 hartrees
Energy at 0K-391.014187
Energy at 298.15K 
HF Energy-391.014187
Nuclear repulsion energy62.553355
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 HSEh1PBE/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 2258 2169 30.64 247.34 0.04 0.08
2 A1 1015 974 242.43 16.52 0.67 0.80
3 A1 866 832 53.27 5.61 0.52 0.69
4 E 2265 2175 144.24 71.52 0.75 0.86
4 E 2265 2175 144.26 71.53 0.75 0.86
5 E 949 911 99.39 25.22 0.75 0.86
5 E 949 911 99.40 25.23 0.75 0.86
6 E 729 701 63.94 16.15 0.75 0.86
6 E 729 701 63.94 16.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6012.3 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 5774.3 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 HSEh1PBE/6-311G**
ABC
2.82161 0.46612 0.46612

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.505
F2 0.000 0.000 -1.112
H3 0.000 1.406 0.979
H4 -1.217 -0.703 0.979
H5 1.217 -0.703 0.979

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61641.48371.48371.4837
F21.61642.51962.51962.5196
H31.48372.51962.43482.4348
H41.48372.51962.43482.4348
H51.48372.51962.43482.4348

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.657 F2 Si1 H4 108.657
F2 Si1 H5 108.657 H3 Si1 H4 110.273
H3 Si1 H5 110.273 H4 Si1 H5 110.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.839      
2 F -0.432      
3 H -0.135      
4 H -0.135      
5 H -0.135      


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 1.560 1.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.687 0.000 0.000
y 0.000 -19.687 0.000
z 0.000 0.000 -20.976
Traceless
 xyz
x 0.644 0.000 0.000
y 0.000 0.644 0.000
z 0.000 0.000 -1.289
Polar
3z2-r2-2.578
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 3.628 0.000 0.000
y 0.000 3.628 0.000
z 0.000 0.000 2.953


<r2> (average value of r2) Å2
<r2> 36.058
(<r2>)1/2 6.005