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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-589.860880
Energy at 298.15K 
HF Energy-589.860880
Nuclear repulsion energy187.956507
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/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 ?a 834 834 81.27 6.40 0.00 0.01
2 ?a 833 833 16.56 4.44 0.75 0.86
3 ?a 833 833 16.61 4.44 0.75 0.86
4 A1 2373 2373 58.89 95.34 0.10 0.18
4 A1 415 415 67.16 0.54 0.56 0.72
5 E 974 974 260.34 0.57 0.75 0.86
5 E 974 974 260.61 0.57 0.75 0.86
6 E 298 298 11.69 0.40 0.75 0.86
6 E 298 298 11.73 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3915.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3915.6 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 wB97X-D/6-311+G(3df,2p)
ABC
0.23676 0.23676 0.13569

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.322
H2 0.000 0.000 1.777
F3 0.000 1.476 -0.233
F4 1.279 -0.738 -0.233
F5 -1.279 -0.738 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45511.57691.57691.5769
H21.45512.49322.49322.4932
F31.57692.49322.55722.5572
F41.57692.49322.55722.5572
F51.57692.49322.55722.5572

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.569 H2 Si1 F4 110.569
H2 Si1 F5 110.569 F3 Si1 F4 108.351
F3 Si1 F5 108.351 F4 Si1 F5 108.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.207      
2 H -0.043      
3 F -0.388      
4 F -0.388      
5 F -0.388      


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 1.377 1.377
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.346 0.000 0.000
y 0.000 -29.346 0.000
z 0.000 0.000 -25.840
Traceless
 xyz
x -1.753 0.000 0.000
y 0.000 -1.753 0.000
z 0.000 0.000 3.507
Polar
3z2-r27.013
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 3.446 0.000 0.000
y 0.000 3.447 -0.000
z 0.000 -0.000 3.493


<r2> (average value of r2) Å2
<r2> 82.514
(<r2>)1/2 9.084