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All results from a given calculation for SiH3F (monofluorosilane)

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

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/STO-3G
 hartrees
Energy at 0K-386.064766
Energy at 298.15K 
HF Energy-386.043479
Nuclear repulsion energy62.338540
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/STO-3G
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 2674 2674 16.63 65.65 0.04 0.08
2 A1 1152 1152 234.66 9.02 0.70 0.83
3 A1 896 896 2.07 3.73 0.39 0.57
4 E 2724 2724 36.59 36.17 0.75 0.86
4 E 2724 2724 36.59 36.17 0.75 0.86
5 E 1139 1139 79.36 21.65 0.75 0.86
5 E 1139 1139 79.35 21.65 0.75 0.86
6 E 785 785 77.60 6.52 0.75 0.86
6 E 785 785 77.60 6.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7009.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7009.6 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/STO-3G
ABC
3.02869 0.45462 0.45462

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.512
F2 0.000 0.000 -1.130
H3 0.000 1.357 1.001
H4 -1.175 -0.678 1.001
H5 1.175 -0.678 1.001

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.64231.44241.44241.4424
F21.64232.52682.52682.5268
H31.44242.52682.35012.3501
H41.44242.52682.35012.3501
H51.44242.52682.35012.3501

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 109.833 F2 Si1 H4 109.833
F2 Si1 H5 109.833 H3 Si1 H4 109.107
H3 Si1 H5 109.107 H4 Si1 H5 109.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.703      
2 F -0.257      
3 H -0.149      
4 H -0.149      
5 H -0.149      


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 0.655 0.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.592 0.000 0.000
y 0.000 -17.592 0.000
z 0.000 0.000 -18.790
Traceless
 xyz
x 0.599 0.000 0.000
y 0.000 0.599 0.000
z 0.000 0.000 -1.198
Polar
3z2-r2-2.397
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 1.412 0.000 0.000
y 0.000 1.412 0.000
z 0.000 0.000 1.645


<r2> (average value of r2) Å2
<r2> 34.938
(<r2>)1/2 5.911