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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-589.889212
Energy at 298.15K 
HF Energy-589.889212
Nuclear repulsion energy188.309736
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2355 2249 64.17 87.02 0.12 0.21
2 A1 848 810 84.01 4.89 0.00 0.01
3 A1 417 399 68.81 0.68 0.63 0.77
4 E 990 946 261.57 0.40 0.75 0.86
4 E 990 946 261.74 0.40 0.75 0.86
5 E 840 802 19.53 5.38 0.75 0.86
5 E 840 802 19.57 5.38 0.75 0.86
6 E 300 286 11.85 0.46 0.75 0.86
6 E 300 286 11.88 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3939.5 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 3763.0 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/Def2TZVPP
ABC
0.23766 0.23766 0.13628

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.321
H2 0.000 0.000 1.778
F3 0.000 1.473 -0.232
F4 1.276 -0.737 -0.232
F5 -1.276 -0.737 -0.232

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45691.57381.57381.5738
H21.45692.49262.49262.4926
F31.57382.49262.55162.5516
F41.57382.49262.55162.5516
F51.57382.49262.55162.5516

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.601 H2 Si1 F4 110.601
H2 Si1 F5 110.601 F3 Si1 F4 108.319
F3 Si1 F5 108.319 F4 Si1 F5 108.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.915      
2 H -0.044      
3 F -0.290      
4 F -0.290      
5 F -0.290      


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 1.323 1.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.132 0.000 0.000
y 0.000 -29.132 0.000
z 0.000 0.000 -25.789
Traceless
 xyz
x -1.672 0.000 0.000
y 0.000 -1.672 0.000
z 0.000 0.000 3.344
Polar
3z2-r26.687
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 3.188 0.000 0.000
y 0.000 3.190 -0.000
z 0.000 -0.000 3.253


<r2> (average value of r2) Å2
<r2> 82.163
(<r2>)1/2 9.064