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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-390.986612
Energy at 298.15K 
HF Energy-390.986612
Nuclear repulsion energy62.389270
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 PBEPBEultrafine/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 2176 2176 30.17 327.63 0.03 0.05
2 A1 946 946 163.35 0.95 0.75 0.85
3 A1 829 829 64.71 6.62 0.29 0.45
4 E 2188 2188 121.11 56.12 0.75 0.86
4 E 2188 2188 121.14 56.13 0.75 0.86
5 E 922 922 68.45 5.93 0.75 0.86
5 E 922 922 68.46 5.95 0.75 0.86
6 E 695 695 45.96 5.95 0.75 0.86
6 E 695 695 45.96 5.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5781.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5781.5 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 PBEPBEultrafine/aug-cc-pV(T+d)Z
ABC
2.78221 0.46453 0.46453

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.507
F2 0.000 0.000 -1.113
H3 0.000 1.416 0.974
H4 -1.226 -0.708 0.974
H5 1.226 -0.708 0.974

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61971.49061.49061.4906
F21.61972.52152.52152.5215
H31.49062.52152.45192.4519
H41.49062.52152.45192.4519
H51.49062.52152.45192.4519

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.252 F2 Si1 H4 108.252
F2 Si1 H5 108.252 H3 Si1 H4 110.662
H3 Si1 H5 110.662 H4 Si1 H5 110.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.135      
2 F -0.621      
3 H -0.171      
4 H -0.171      
5 H -0.171      


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 1.287 1.287
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.946 0.000 0.000
y 0.000 -19.946 0.000
z 0.000 0.000 -21.160
Traceless
 xyz
x 0.607 0.000 0.000
y 0.000 0.607 0.000
z 0.000 0.000 -1.214
Polar
3z2-r2-2.428
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 4.637 0.000 0.000
y 0.000 4.637 0.000
z 0.000 0.000 4.290


<r2> (average value of r2) Å2
<r2> 36.310
(<r2>)1/2 6.026