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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-391.137296
Energy at 298.15K 
HF Energy-391.137296
Nuclear repulsion energy62.106475
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 BLYP/6-31G**
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 2187 2170 40.11 187.05 0.04 0.07
2 A1 1019 1011 220.80 14.71 0.61 0.76
3 A1 857 850 29.22 7.19 0.40 0.57
4 E 2195 2178 180.48 58.99 0.75 0.86
4 E 2194 2178 180.50 58.99 0.75 0.86
5 E 927 920 89.52 21.85 0.75 0.86
5 E 927 920 89.52 21.85 0.75 0.86
6 E 724 718 51.93 10.71 0.75 0.86
6 E 724 718 51.93 10.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5876.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 5831.2 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 BLYP/6-31G**
ABC
2.80712 0.45871 0.45871

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.506
F2 0.000 0.000 -1.121
H3 0.000 1.409 1.001
H4 -1.221 -0.705 1.001
H5 1.221 -0.705 1.001

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62751.49381.49381.4938
F21.62752.54782.54782.5478
H31.49382.54782.44102.4410
H41.49382.54782.44102.4410
H51.49382.54782.44102.4410

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.355 F2 Si1 H4 109.355
F2 Si1 H5 109.355 H3 Si1 H4 109.587
H3 Si1 H5 109.587 H4 Si1 H5 109.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.642      
2 F -0.352      
3 H -0.097      
4 H -0.097      
5 H -0.097      


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 1.183 1.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.613 0.000 0.000
y 0.000 -19.613 0.000
z 0.000 0.000 -20.374
Traceless
 xyz
x 0.380 0.000 0.000
y 0.000 0.380 0.000
z 0.000 0.000 -0.761
Polar
3z2-r2-1.522
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 3.316 0.000 0.000
y 0.000 3.316 0.000
z 0.000 0.000 2.960


<r2> (average value of r2) Å2
<r2> 36.277
(<r2>)1/2 6.023