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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-391.210386
Energy at 298.15K 
HF Energy-391.210386
Nuclear repulsion energy61.502283
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 TPSSh/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2255 2181 31.09 306.74 0.03 0.05
2 A1 968 936 170.23 1.00 0.75 0.86
3 A1 820 793 75.57 6.62 0.27 0.42
4 E 2268 2194 121.38 51.80 0.75 0.86
4 E 2268 2194 121.41 51.74 0.75 0.86
5 E 955 923 75.77 6.19 0.75 0.86
5 E 955 923 75.78 6.20 0.75 0.86
6 E 706 682 47.13 5.33 0.75 0.86
6 E 706 682 47.13 5.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5948.9 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 5754.4 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 TPSSh/aug-cc-pVDZ
ABC
2.77663 0.44830 0.44830

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.521
F2 0.000 0.000 -1.134
H3 0.000 1.417 0.972
H4 -1.227 -0.709 0.972
H5 1.227 -0.709 0.972

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.65531.48701.48701.4870
F21.65532.53842.53842.5384
H31.48702.53842.45442.4544
H41.48702.53842.45442.4544
H51.48702.53842.45442.4544

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.645 F2 Si1 H4 107.645
F2 Si1 H5 107.645 H3 Si1 H4 111.234
H3 Si1 H5 111.234 H4 Si1 H5 111.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.383      
2 F -0.560      
3 H 0.059      
4 H 0.059      
5 H 0.059      


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 1.590 1.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.374 0.000 0.000
y 0.000 4.374 0.000
z 0.000 0.000 4.160


<r2> (average value of r2) Å2
<r2> 36.878
(<r2>)1/2 6.073