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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: LSDA/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 LSDA/6-311G**
 hartrees
Energy at 0K-389.906974
Energy at 298.15K-389.910367
Nuclear repulsion energy62.527470
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 LSDA/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 2186 2159 25.67      
2 A1 973 961 214.03      
3 A1 862 851 28.66      
4 E 2201 2174 116.80      
4 E 2201 2174 116.80      
5 E 897 886 74.79      
5 E 897 886 74.79      
6 E 700 691 54.63      
6 E 700 691 54.63      

Unscaled Zero Point Vibrational Energy (zpe) 5807.1 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 5735.7 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 LSDA/6-311G**
ABC
2.79141 0.46687 0.46687

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

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 -1.110
H3 0.000 1.413 0.984
H4 -1.224 -0.707 0.984
H5 1.224 -0.707 0.984

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61301.49291.49291.4929
F21.61302.52632.52632.5263
H31.49292.52632.44792.4479
H41.49292.52632.44792.4479
H51.49292.52632.44792.4479

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.795 F2 Si1 H4 108.795
F2 Si1 H5 108.795 H3 Si1 H4 110.139
H3 Si1 H5 110.139 H4 Si1 H5 110.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.665      
2 F -0.381      
3 H -0.095      
4 H -0.095      
5 H -0.095      


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 1.472 1.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.808 0.000 0.000
y 0.000 -19.808 0.000
z 0.000 0.000 -20.919
Traceless
 xyz
x 0.555 0.000 0.000
y 0.000 0.555 0.000
z 0.000 0.000 -1.111
Polar
3z2-r2-2.221
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 3.872 0.000 0.000
y 0.000 3.872 0.000
z 0.000 0.000 3.132


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000