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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-391.163138
Energy at 298.15K 
HF Energy-391.163138
Nuclear repulsion energy62.498252
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 M06-2X/TZVP
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 2311 2187 29.68 239.82 0.04 0.08
2 A1 991 938 217.88 11.97 0.69 0.81
3 A1 869 823 84.17 4.79 0.49 0.66
4 E 2318 2193 135.07 62.94 0.75 0.86
4 E 2317 2193 135.42 62.66 0.75 0.86
5 E 973 921 93.24 18.02 0.75 0.86
5 E 973 921 93.25 18.17 0.75 0.86
6 E 723 684 61.42 15.39 0.75 0.86
6 E 723 684 60.95 15.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6099.1 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 5771.0 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 M06-2X/TZVP
ABC
2.82621 0.46470 0.46470

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.509
F2 0.000 0.000 -1.113
H3 0.000 1.405 0.964
H4 -1.216 -0.702 0.964
H5 1.216 -0.702 0.964

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62251.47651.47651.4765
F21.62252.50782.50782.5078
H31.47652.50782.43282.4328
H41.47652.50782.43282.4328
H51.47652.50782.43282.4328

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.954 F2 Si1 H4 107.954
F2 Si1 H5 107.954 H3 Si1 H4 110.945
H3 Si1 H5 110.945 H4 Si1 H5 110.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.661      
2 F -0.375      
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 1.732 1.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.662 0.000 0.000
y 0.000 -19.662 0.000
z 0.000 0.000 -21.140
Traceless
 xyz
x 0.739 0.000 0.000
y 0.000 0.739 0.000
z 0.000 0.000 -1.479
Polar
3z2-r2-2.957
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 3.651 0.000 0.000
y 0.000 3.652 -0.006
z 0.000 -0.006 3.030


<r2> (average value of r2) Å2
<r2> 36.081
(<r2>)1/2 6.007