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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B2PLYP=FULLultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-388.838539
Energy at 298.15K 
HF Energy-388.776891
Nuclear repulsion energy61.385567
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 B2PLYP=FULLultrafine/3-21G
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 2252 2252 48.52 190.55 0.03 0.06
2 A1 1083 1083 258.33 23.54 0.63 0.77
3 A1 883 883 11.86 7.57 0.37 0.54
4 E 2251 2251 179.70 59.00 0.75 0.86
4 E 2251 2251 179.70 59.01 0.75 0.86
5 E 910 910 99.99 40.12 0.75 0.86
5 E 910 910 100.00 40.12 0.75 0.86
6 E 769 769 91.37 12.08 0.75 0.86
6 E 769 769 91.38 12.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6039.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6039.7 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 B2PLYP=FULLultrafine/3-21G
ABC
2.83526 0.44470 0.44470

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.515
F2 0.000 0.000 -1.141
H3 0.000 1.402 1.018
H4 -1.214 -0.701 1.018
H5 1.214 -0.701 1.018

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.65591.48991.48991.4899
F21.65592.57472.57472.5747
H31.48992.57472.42892.4289
H41.48992.57472.42892.4289
H51.48992.57472.42892.4289

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.745 F2 Si1 H4 109.745
F2 Si1 H5 109.745 H3 Si1 H4 109.196
H3 Si1 H5 109.196 H4 Si1 H5 109.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.934      
2 F -0.404      
3 H -0.177      
4 H -0.177      
5 H -0.177      


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 1.481 1.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.286 0.000 0.000
y 0.000 -20.286 0.000
z 0.000 0.000 -21.712
Traceless
 xyz
x 0.713 0.000 0.000
y 0.000 0.713 0.000
z 0.000 0.000 -1.426
Polar
3z2-r2-2.852
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 2.915 0.000 0.000
y 0.000 2.915 0.000
z 0.000 0.000 2.665


<r2> (average value of r2) Å2
<r2> 37.410
(<r2>)1/2 6.116