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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-391.213066
Energy at 298.15K 
HF Energy-391.213066
Nuclear repulsion energy61.496870
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 B3LYPultrafine/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 2164 30.34 315.82 0.03 0.05
2 A1 964 936 167.50 1.27 0.75 0.86
3 A1 818 794 80.97 6.44 0.28 0.44
4 E 2243 2177 120.09 54.62 0.75 0.86
4 E 2243 2177 120.10 54.63 0.75 0.86
5 E 949 921 77.65 6.64 0.75 0.86
5 E 949 921 77.66 6.64 0.75 0.86
6 E 706 685 48.36 5.77 0.75 0.86
6 E 706 685 48.37 5.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5903.9 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 5729.1 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 B3LYPultrafine/aug-cc-pVDZ
ABC
2.77103 0.44843 0.44843

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.521
F2 0.000 0.000 -1.134
H3 0.000 1.418 0.972
H4 -1.228 -0.709 0.972
H5 1.228 -0.709 0.972

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.65481.48851.48851.4885
F21.65482.53922.53922.5392
H31.48852.53922.45692.4569
H41.48852.53922.45692.4569
H51.48852.53922.45692.4569

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.648 F2 Si1 H4 107.648
F2 Si1 H5 107.648 H3 Si1 H4 111.231
H3 Si1 H5 111.231 H4 Si1 H5 111.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si -0.137      
2 F -0.597      
3 H 0.245      
4 H 0.245      
5 H 0.245      


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 1.658 1.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.979 0.000 0.000
y 0.000 -19.979 0.000
z 0.000 0.000 -21.401
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 4.447 0.000 0.000
y 0.000 4.447 0.000
z 0.000 0.000 4.164


<r2> (average value of r2) Å2
<r2> 37.016
(<r2>)1/2 6.084