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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-29.904307
Energy at 298.15K 
HF Energy-29.904307
Nuclear repulsion energy18.396548
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 wB97X-D/CEP-31G*
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 2252 2252 32.30 185.78 0.05 0.10
2 A1 987 987 199.00 9.12 0.71 0.83
3 A1 849 849 71.00 5.55 0.72 0.83
4 E 2264 2264 177.66 76.58 0.75 0.86
4 E 2264 2264 177.76 76.67 0.75 0.86
5 E 954 954 86.82 16.74 0.75 0.86
5 E 954 954 86.90 16.61 0.75 0.86
6 E 725 725 51.83 8.66 0.75 0.86
6 E 725 725 51.81 8.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5986.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5986.9 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 wB97X-D/CEP-31G*
ABC
2.75974 0.46132 0.46132

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

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 -1.117
H3 0.000 1.421 0.977
H4 -1.231 -0.711 0.977
H5 1.231 -0.711 0.977

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62541.49641.49641.4964
F21.62542.53022.53022.5302
H31.49642.53022.46192.4619
H41.49642.53022.46192.4619
H51.49642.53022.46192.4619

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.220 F2 Si1 H4 108.220
F2 Si1 H5 108.220 H3 Si1 H4 110.693
H3 Si1 H5 110.693 H4 Si1 H5 110.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.285      
2 F -0.322      
3 H 0.012      
4 H 0.012      
5 H 0.012      


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 1.696 1.696
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.024 0.000 0.000
y 0.000 -18.024 0.000
z 0.000 0.000 -19.443
Traceless
 xyz
x 0.710 0.000 0.000
y 0.000 0.710 0.000
z 0.000 0.000 -1.419
Polar
3z2-r2-2.839
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 2.957 0.000 0.000
y 0.000 2.961 -0.000
z 0.000 -0.000 2.791


<r2> (average value of r2) Å2
<r2> 30.239
(<r2>)1/2 5.499