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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3PW91/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 B3PW91/TZVP
 hartrees
Energy at 0K-391.158274
Energy at 298.15K 
HF Energy-391.158274
Nuclear repulsion energy62.207325
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 B3PW91/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 2240 2160 30.93 252.99 0.04 0.08
2 A1 974 939 212.78 13.02 0.67 0.81
3 A1 844 814 74.78 5.69 0.47 0.64
4 E 2252 2172 138.55 68.07 0.75 0.86
4 E 2252 2172 138.58 68.07 0.75 0.86
5 E 950 916 88.90 20.29 0.75 0.86
5 E 950 916 88.91 20.29 0.75 0.86
6 E 710 684 55.50 16.93 0.75 0.86
6 E 710 684 55.50 16.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5940.3 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 5728.3 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 B3PW91/TZVP
ABC
2.79480 0.46064 0.46064

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.510
F2 0.000 0.000 -1.118
H3 0.000 1.412 0.972
H4 -1.223 -0.706 0.972
H5 1.223 -0.706 0.972

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62871.48611.48611.4861
F21.62872.52302.52302.5230
H31.48612.52302.44642.4464
H41.48612.52302.44642.4464
H51.48612.52302.44642.4464

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.111 F2 Si1 H4 108.111
F2 Si1 H5 108.111 H3 Si1 H4 110.796
H3 Si1 H5 110.796 H4 Si1 H5 110.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.616      
2 F -0.347      
3 H -0.090      
4 H -0.090      
5 H -0.090      


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 1.624 1.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.663 0.000 0.000
y 0.000 -19.663 0.000
z 0.000 0.000 -21.012
Traceless
 xyz
x 0.674 0.000 0.000
y 0.000 0.674 0.000
z 0.000 0.000 -1.348
Polar
3z2-r2-2.696
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 3.786 0.000 0.000
y 0.000 3.786 0.000
z 0.000 0.000 3.155


<r2> (average value of r2) Å2
<r2> 36.285
(<r2>)1/2 6.024