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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: M06-2X/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 M06-2X/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-589.863654
Energy at 298.15K 
HF Energy-589.863654
Nuclear repulsion energy189.011148
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 M06-2X/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 2418 2418 56.23 93.05 0.08 0.15
2 A1 869 869 84.77 6.19 0.00 0.00
3 A1 421 421 72.88 0.49 0.55 0.71
4 E 1010 1010 259.26 0.51 0.75 0.86
4 E 1010 1010 259.27 0.51 0.75 0.86
5 E 857 857 22.64 3.37 0.75 0.86
5 E 857 857 22.68 3.37 0.75 0.86
6 E 303 303 13.07 0.33 0.75 0.86
6 E 302 302 13.09 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4022.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4022.9 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 M06-2X/aug-cc-pV(T+d)Z
ABC
0.23942 0.23942 0.13767

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.325
H2 0.000 0.000 1.775
F3 0.000 1.466 -0.234
F4 1.269 -0.733 -0.234
F5 -1.269 -0.733 -0.234

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45021.56881.56881.5688
H21.45022.48722.48722.4872
F31.56882.48722.53872.5387
F41.56882.48722.53872.5387
F51.56882.48722.53872.5387

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.883 H2 Si1 F4 110.883
H2 Si1 F5 110.883 F3 Si1 F4 108.023
F3 Si1 F5 108.023 F4 Si1 F5 108.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.695      
2 H -0.097      
3 F -0.533      
4 F -0.533      
5 F -0.533      


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 1.477 1.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.498 0.000 0.000
y 0.000 -29.498 0.000
z 0.000 0.000 -25.830
Traceless
 xyz
x -1.834 0.000 0.000
y 0.000 -1.834 0.000
z 0.000 0.000 3.668
Polar
3z2-r27.335
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 3.412 0.000 0.000
y 0.000 3.408 0.000
z 0.000 0.000 3.429


<r2> (average value of r2) Å2
<r2> 81.777
(<r2>)1/2 9.043