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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-391.262424
Energy at 298.15K 
HF Energy-391.262424
Nuclear repulsion energy62.657585
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/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 2247 2172 30.29 263.68 0.04 0.07
2 A1 991 958 190.40 3.83 0.74 0.85
3 A1 860 832 64.34 4.51 0.37 0.54
4 E 2255 2180 141.35 57.26 0.75 0.86
4 E 2255 2180 141.36 57.26 0.75 0.86
5 E 961 929 87.31 10.84 0.75 0.86
5 E 961 929 87.31 10.84 0.75 0.86
6 E 723 699 54.55 9.31 0.75 0.86
6 E 723 699 54.55 9.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5988.0 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 5788.0 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 B3LYP/cc-pVTZ
ABC
2.82467 0.46781 0.46781

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

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 -1.109
H3 0.000 1.405 0.969
H4 -1.217 -0.702 0.969
H5 1.217 -0.702 0.969

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61491.47941.47941.4794
F21.61492.50872.50872.5087
H31.47942.50872.43342.4334
H41.47942.50872.43342.4334
H51.47942.50872.43342.4334

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.258 F2 Si1 H4 108.258
F2 Si1 H5 108.258 H3 Si1 H4 110.657
H3 Si1 H5 110.657 H4 Si1 H5 110.657
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.456      
2 F -0.302      
3 H -0.051      
4 H -0.051      
5 H -0.051      


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 1.300 1.300
CHELPG        
AIM        
ESP -0.009 0.000 -1.330 1.330


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.888 0.000 0.000
y 0.000 -19.888 0.000
z 0.000 0.000 -20.930
Traceless
 xyz
x 0.521 0.000 0.000
y 0.000 0.521 0.000
z 0.000 0.000 -1.042
Polar
3z2-r2-2.085
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 4.057 0.000 0.000
y 0.000 4.057 0.000
z 0.000 0.000 3.535


<r2> (average value of r2) Å2
<r2> 36.032
(<r2>)1/2 6.003