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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: wB97X-D/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-391.214341
Energy at 298.15K 
HF Energy-391.214341
Nuclear repulsion energy63.100785
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 wB97X-D/aug-cc-pV(T+d)Z
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 2238 2238 31.90 307.12 0.02 0.05
2 A1 992 992 188.47 0.97 0.73 0.85
3 A1 876 876 72.35 4.92 0.31 0.47
4 E 2237 2237 138.40 48.01 0.75 0.86
4 E 2237 2237 138.34 47.94 0.75 0.86
5 E 969 969 82.26 4.92 0.75 0.86
5 E 969 969 82.38 4.92 0.75 0.86
6 E 727 727 55.06 4.69 0.75 0.86
6 E 727 727 55.10 4.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5985.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5985.1 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 wB97X-D/aug-cc-pV(T+d)Z
ABC
2.83881 0.47550 0.47550

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.500
F2 0.000 0.000 -1.100
H3 0.000 1.401 0.965
H4 -1.214 -0.701 0.965
H5 1.214 -0.701 0.965

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.60011.47661.47661.4766
F21.60012.49582.49582.4958
H31.47662.49582.42742.4274
H41.47662.49582.42742.4274
H51.47662.49582.42742.4274

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.359 F2 Si1 H4 108.359
F2 Si1 H5 108.359 H3 Si1 H4 110.561
H3 Si1 H5 110.561 H4 Si1 H5 110.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.160      
2 F -0.634      
3 H -0.175      
4 H -0.175      
5 H -0.175      


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 1.299 1.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.690 0.000 0.000
y 0.000 -19.690 0.000
z 0.000 0.000 -20.983
Traceless
 xyz
x 0.646 0.000 0.000
y 0.000 0.646 0.000
z 0.000 0.000 -1.292
Polar
3z2-r2-2.585
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 4.338 0.000 0.000
y 0.000 4.340 0.001
z 0.000 0.001 3.994


<r2> (average value of r2) Å2
<r2> 35.645
(<r2>)1/2 5.970