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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B2PLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-390.845730
Energy at 298.15K 
HF Energy-390.784115
Nuclear repulsion energy60.120860
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/6-31G
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 2213 2213 46.22 222.21 0.04 0.07
2 A1 1005 1005 236.77 22.37 0.65 0.79
3 A1 795 795 25.28 8.07 0.35 0.52
4 E 2234 2234 188.92 70.48 0.75 0.86
4 E 2234 2234 188.93 70.49 0.75 0.86
5 E 924 924 101.88 36.46 0.75 0.86
5 E 924 924 101.89 36.46 0.75 0.86
6 E 702 702 60.18 17.66 0.75 0.86
6 E 702 702 60.17 17.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5866.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5866.7 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/6-31G
ABC
2.76968 0.42405 0.42405

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.535
F2 0.000 0.000 -1.169
H3 0.000 1.419 1.010
H4 -1.229 -0.709 1.010
H5 1.229 -0.709 1.010

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.70431.49601.49601.4960
F21.70432.59992.59992.5999
H31.49602.59992.45752.4575
H41.49602.59992.45752.4575
H51.49602.59992.45752.4575

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.488 F2 Si1 H4 108.488
F2 Si1 H5 108.488 H3 Si1 H4 110.437
H3 Si1 H5 110.437 H4 Si1 H5 110.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.937      
2 F -0.494      
3 H -0.148      
4 H -0.148      
5 H -0.148      


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 2.371 2.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.023 0.000 0.000
y 0.000 -20.023 0.000
z 0.000 0.000 -22.006
Traceless
 xyz
x 0.991 0.000 0.000
y 0.000 0.991 0.000
z 0.000 0.000 -1.983
Polar
3z2-r2-3.966
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 3.139 0.000 0.000
y 0.000 3.139 0.000
z 0.000 0.000 2.853


<r2> (average value of r2) Å2
<r2> 38.331
(<r2>)1/2 6.191