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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3PW91/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-391.172639
Energy at 298.15K 
HF Energy-391.172639
Nuclear repulsion energy62.645434
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/aug-cc-pVTZ
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 2242 2164 31.22 312.21 0.03 0.05
2 A1 975 941 174.13 1.03 0.75 0.86
3 A1 857 828 71.61 5.48 0.30 0.46
4 E 2252 2174 127.89 51.45 0.75 0.86
4 E 2252 2174 127.91 51.44 0.75 0.86
5 E 952 919 76.14 5.53 0.75 0.86
5 E 952 919 76.15 5.54 0.75 0.86
6 E 719 694 51.40 5.37 0.75 0.86
6 E 719 694 51.40 5.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5960.6 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 5752.6 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/aug-cc-pVTZ
ABC
2.80881 0.46818 0.46818

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.505
F2 0.000 0.000 -1.109
H3 0.000 1.409 0.968
H4 -1.220 -0.704 0.968
H5 1.220 -0.704 0.968

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61391.48291.48291.4829
F21.61392.50932.50932.5093
H31.48292.50932.44032.4403
H41.48292.50932.44032.4403
H51.48292.50932.44032.4403

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.172 F2 Si1 H4 108.172
F2 Si1 H5 108.172 H3 Si1 H4 110.738
H3 Si1 H5 110.738 H4 Si1 H5 110.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.083      
2 F -0.618      
3 H -0.155      
4 H -0.155      
5 H -0.155      


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 1.373 1.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.703 0.000 0.000
y 0.000 -19.703 0.000
z 0.000 0.000 -21.041
Traceless
 xyz
x 0.669 0.000 0.000
y 0.000 0.669 0.000
z 0.000 0.000 -1.338
Polar
3z2-r2-2.676
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 4.404 0.000 0.000
y 0.000 4.404 0.000
z 0.000 0.000 4.052


<r2> (average value of r2) Å2
<r2> 35.986
(<r2>)1/2 5.999