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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-391.241711
Energy at 298.15K 
HF Energy-391.241711
Nuclear repulsion energy62.458339
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 B3LYP/6-311G**
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 2256 2182 32.09 244.41 0.04 0.08
2 A1 1024 990 248.31 16.81 0.68 0.81
3 A1 857 828 56.49 5.32 0.49 0.66
4 E 2262 2186 154.10 70.99 0.75 0.86
4 E 2262 2186 154.12 70.99 0.75 0.86
5 E 957 925 105.57 25.11 0.75 0.86
5 E 957 925 105.57 25.11 0.75 0.86
6 E 733 709 64.93 16.37 0.75 0.86
6 E 733 709 64.93 16.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6020.0 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 5820.2 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 B3LYP/6-311G**
ABC
2.83457 0.46388 0.46388

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

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 -1.115
H3 0.000 1.402 0.981
H4 -1.215 -0.701 0.981
H5 1.215 -0.701 0.981

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62121.48061.48061.4806
F21.62122.52172.52172.5217
H31.48062.52172.42922.4292
H41.48062.52172.42922.4292
H51.48062.52172.42922.4292

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.689 F2 Si1 H4 108.689
F2 Si1 H5 108.689 H3 Si1 H4 110.242
H3 Si1 H5 110.242 H4 Si1 H5 110.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.900      
2 F -0.433      
3 H -0.156      
4 H -0.156      
5 H -0.156      


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 1.547 1.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.839 0.000 0.000
y 0.000 -19.839 0.000
z 0.000 0.000 -21.074
Traceless
 xyz
x 0.617 0.000 0.000
y 0.000 0.617 0.000
z 0.000 0.000 -1.235
Polar
3z2-r2-2.469
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 3.616 0.000 0.000
y 0.000 3.616 0.000
z 0.000 0.000 2.952


<r2> (average value of r2) Å2
<r2> 36.211
(<r2>)1/2 6.018