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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-589.422295
Energy at 298.15K 
HF Energy-589.422295
Nuclear repulsion energy186.938502
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 HSEh1PBE/6-31G**
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 2385 2276 86.10 78.23 0.17 0.29
2 A1 861 822 74.65 5.14 0.00 0.00
3 A1 415 396 68.04 0.86 0.72 0.84
4 E 1034 987 242.94 0.44 0.75 0.86
4 E 1034 987 242.93 0.44 0.75 0.86
5 E 853 814 22.07 9.49 0.75 0.86
5 E 853 814 22.08 9.48 0.75 0.86
6 E 296 283 12.06 0.58 0.75 0.86
6 E 296 283 12.06 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4013.8 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 3830.4 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 HSEh1PBE/6-31G**
ABC
0.23421 0.23421 0.13445

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.326
H2 0.000 0.000 1.792
F3 0.000 1.483 -0.235
F4 1.284 -0.742 -0.235
F5 -1.284 -0.742 -0.235

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46601.58581.58581.5858
H21.46602.51172.51172.5117
F31.58582.51172.56902.5690
F41.58582.51172.56902.5690
F51.58582.51172.56902.5690

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.719 H2 Si1 F4 110.719
H2 Si1 F5 110.719 F3 Si1 F4 108.195
F3 Si1 F5 108.195 F4 Si1 F5 108.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.204      
2 H -0.113      
3 F -0.364      
4 F -0.364      
5 F -0.364      


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 1.366 1.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.699 0.000 0.000
y 0.000 -28.699 0.000
z 0.000 0.000 -25.358
Traceless
 xyz
x -1.671 0.000 0.000
y 0.000 -1.671 0.000
z 0.000 0.000 3.341
Polar
3z2-r26.682
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 2.646 0.000 0.000
y 0.000 2.647 -0.000
z 0.000 -0.000 2.784


<r2> (average value of r2) Å2
<r2> 82.816
(<r2>)1/2 9.100