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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-391.266021
Energy at 298.15K 
HF Energy-391.266021
Nuclear repulsion energy62.596456
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/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 2249 2176 32.10 314.66 0.03 0.05
2 A1 984 952 178.73 1.17 0.74 0.85
3 A1 851 823 78.10 5.42 0.29 0.45
4 E 2258 2184 133.92 52.42 0.75 0.86
4 E 2258 2184 133.92 52.44 0.75 0.86
5 E 962 931 81.94 5.51 0.75 0.86
5 E 962 931 81.94 5.53 0.75 0.86
6 E 723 700 52.35 5.47 0.75 0.86
6 E 723 700 52.35 5.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5984.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 5790.4 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/aug-cc-pVTZ
ABC
2.82120 0.46677 0.46677

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.507
F2 0.000 0.000 -1.111
H3 0.000 1.406 0.967
H4 -1.217 -0.703 0.967
H5 1.217 -0.703 0.967

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61751.47911.47911.4791
F21.61752.50822.50822.5082
H31.47912.50822.43492.4349
H41.47912.50822.43492.4349
H51.47912.50822.43492.4349

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.106 F2 Si1 H4 108.106
F2 Si1 H5 108.106 H3 Si1 H4 110.801
H3 Si1 H5 110.801 H4 Si1 H5 110.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.208      
2 F -0.638      
3 H -0.190      
4 H -0.190      
5 H -0.190      


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 1.419 1.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.910 0.000 0.000
y 0.000 -19.910 0.000
z 0.000 0.000 -21.256
Traceless
 xyz
x 0.673 0.000 0.000
y 0.000 0.673 0.000
z 0.000 0.000 -1.346
Polar
3z2-r2-2.693
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 4.406 0.000 0.000
y 0.000 4.406 0.000
z 0.000 0.000 4.060


<r2> (average value of r2) Å2
<r2> 36.146
(<r2>)1/2 6.012