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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-390.998118
Energy at 298.15K 
HF Energy-390.890208
Nuclear repulsion energy61.579501
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/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 2270 2184 31.15 314.20 0.03 0.05
2 A1 981 944 177.98 1.33 0.74 0.85
3 A1 823 792 82.53 6.60 0.27 0.42
4 E 2282 2196 122.44 52.00 0.75 0.86
4 E 2282 2196 122.43 52.02 0.75 0.86
5 E 965 929 83.44 6.37 0.75 0.86
5 E 965 929 83.44 6.36 0.75 0.86
6 E 717 690 51.02 5.38 0.75 0.86
6 E 717 690 51.01 5.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6000.9 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 5774.6 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/aug-cc-pVDZ
ABC
2.79045 0.44916 0.44916

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/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 -1.133
H3 0.000 1.414 0.971
H4 -1.224 -0.707 0.971
H5 1.224 -0.707 0.971

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.65401.48351.48351.4835
F21.65402.53482.53482.5348
H31.48352.53482.44832.4483
H41.48352.53482.44832.4483
H51.48352.53482.44832.4483

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.662 F2 Si1 H4 107.662
F2 Si1 H5 107.662 H3 Si1 H4 111.218
H3 Si1 H5 111.218 H4 Si1 H5 111.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.218      
2 F -0.635      
3 H 0.139      
4 H 0.139      
5 H 0.139      


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 1.666 1.666
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.039 0.000 0.000
y 0.000 -20.039 0.000
z 0.000 0.000 -21.449
Traceless
 xyz
x 0.705 0.000 0.000
y 0.000 0.705 0.000
z 0.000 0.000 -1.410
Polar
3z2-r2-2.820
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 4.340 0.000 0.000
y 0.000 4.340 0.000
z 0.000 0.000 4.094


<r2> (average value of r2) Å2
<r2> 36.991
(<r2>)1/2 6.082