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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: HSEh1PBE/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/aug-cc-pCVTZ
 hartrees
Energy at 0K-391.046027
Energy at 298.15K 
HF Energy-391.046027
Nuclear repulsion energy62.980876
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 HSEh1PBE/aug-cc-pCVTZ
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 2243 2243 30.48 316.66 0.03 0.05
2 A1 979 979 179.68 0.93 0.75 0.86
3 A1 867 867 68.22 5.27 0.31 0.47
4 E 2252 2252 128.37 51.30 0.75 0.86
4 E 2252 2252 128.41 51.29 0.75 0.86
5 E 953 953 77.60 5.30 0.75 0.86
5 E 953 953 77.62 5.31 0.75 0.86
6 E 720 720 52.29 5.36 0.75 0.86
6 E 720 720 52.29 5.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5969.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5969.0 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 HSEh1PBE/aug-cc-pCVTZ
ABC
2.81822 0.47406 0.47406

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pCVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.501
F2 0.000 0.000 -1.101
H3 0.000 1.407 0.966
H4 -1.218 -0.703 0.966
H5 1.218 -0.703 0.966

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.60241.48131.48131.4813
F21.60242.50022.50022.5002
H31.48132.50022.43622.4362
H41.48132.50022.43622.4362
H51.48132.50022.43622.4362

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.283 F2 Si1 H4 108.283
F2 Si1 H5 108.283 H3 Si1 H4 110.633
H3 Si1 H5 110.633 H4 Si1 H5 110.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.167      
2 F -0.640      
3 H -0.175      
4 H -0.175      
5 H -0.175      


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 1.315 1.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.749 0.000 0.000
y 0.000 -19.749 0.000
z 0.000 0.000 -21.044
Traceless
 xyz
x 0.648 0.000 0.000
y 0.000 0.648 0.000
z 0.000 0.000 -1.295
Polar
3z2-r2-2.590
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 4.399 0.000 0.000
y 0.000 4.399 0.000
z 0.000 0.000 4.019


<r2> (average value of r2) Å2
<r2> 35.769
(<r2>)1/2 5.981