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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3PW91/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 B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-391.122491
Energy at 298.15K 
HF Energy-391.122491
Nuclear repulsion energy61.535552
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-pVDZ
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 2229 2150 29.97 315.82 0.03 0.05
2 A1 957 923 161.80 1.09 0.75 0.86
3 A1 824 794 76.12 6.36 0.29 0.45
4 E 2244 2165 117.50 52.89 0.75 0.86
4 E 2244 2165 117.52 52.88 0.75 0.86
5 E 940 907 72.20 6.38 0.75 0.86
5 E 940 907 72.20 6.39 0.75 0.86
6 E 703 678 47.13 5.62 0.75 0.86
6 E 703 678 47.13 5.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5891.8 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 5683.3 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-pVDZ
ABC
2.76247 0.44950 0.44950

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.520
F2 0.000 0.000 -1.132
H3 0.000 1.421 0.973
H4 -1.230 -0.710 0.973
H5 1.230 -0.710 0.973

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.65201.49131.49131.4913
F21.65202.53992.53992.5399
H31.49132.53992.46072.4607
H41.49132.53992.46072.4607
H51.49132.53992.46072.4607

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.703 F2 Si1 H4 107.703
F2 Si1 H5 107.703 H3 Si1 H4 111.180
H3 Si1 H5 111.180 H4 Si1 H5 111.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.216      
2 F -0.580      
3 H 0.121      
4 H 0.121      
5 H 0.121      


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 1.623 1.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.750 0.000 0.000
y 0.000 -19.750 0.000
z 0.000 0.000 -21.173
Traceless
 xyz
x 0.711 0.000 0.000
y 0.000 0.711 0.000
z 0.000 0.000 -1.422
Polar
3z2-r2-2.844
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 4.435 0.000 0.000
y 0.000 4.435 0.000
z 0.000 0.000 4.151


<r2> (average value of r2) Å2
<r2> 36.848
(<r2>)1/2 6.070