return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-389.134335
Energy at 298.15K 
HF Energy-389.134335
Nuclear repulsion energy62.346057
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 B97D3/3-21G*
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 2236 2236 44.01 164.95 0.03 0.07
2 A1 1069 1069 238.50 15.49 0.58 0.74
3 A1 899 899 10.81 7.01 0.48 0.65
4 E 2238 2238 184.86 50.91 0.75 0.86
4 E 2238 2238 184.93 50.89 0.75 0.86
5 E 916 916 97.01 24.23 0.75 0.86
5 E 916 916 97.03 24.24 0.75 0.86
6 E 763 763 67.38 9.66 0.75 0.86
6 E 763 763 67.40 9.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6019.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6019.7 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 B97D3/3-21G*
ABC
2.82722 0.46247 0.46247

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.502
F2 0.000 0.000 -1.117
H3 0.000 1.404 1.008
H4 -1.216 -0.702 1.008
H5 1.216 -0.702 1.008

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61861.49261.49261.4926
F21.61862.54672.54672.5467
H31.49262.54672.43232.4323
H41.49262.54672.43232.4323
H51.49262.54672.43232.4323

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.809 F2 Si1 H4 109.809
F2 Si1 H5 109.809 H3 Si1 H4 109.132
H3 Si1 H5 109.132 H4 Si1 H5 109.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.581      
2 F -0.292      
3 H -0.096      
4 H -0.096      
5 H -0.096      


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 0.964 0.964
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.705 0.000 0.000
y 0.000 -19.705 0.000
z 0.000 0.000 -20.586
Traceless
 xyz
x 0.441 0.000 0.000
y 0.000 0.441 0.000
z 0.000 0.000 -0.881
Polar
3z2-r2-1.762
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 2.987 0.000 0.000
y 0.000 2.987 -0.000
z 0.000 -0.000 2.683


<r2> (average value of r2) Å2
<r2> 36.204
(<r2>)1/2 6.017