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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: HSEh1PBE/aug-cc-pCVTZ

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/aug-cc-pCVTZ
 hartrees
Energy at 0K-589.606200
Energy at 298.15K 
HF Energy-589.606200
Nuclear repulsion energy188.314034
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/aug-cc-pCVTZ
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 2361 2361 57.14 100.41 0.09 0.16
2 A1 845 845 80.09 7.43 0.00 0.00
3 A1 413 413 66.17 0.53 0.53 0.69
4 E 989 989 248.57 0.62 0.75 0.86
4 E 989 989 248.58 0.62 0.75 0.86
5 E 833 833 19.21 3.94 0.75 0.86
5 E 833 833 19.22 3.93 0.75 0.86
6 E 295 295 11.74 0.36 0.75 0.86
6 E 295 295 11.74 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3926.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3926.9 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 HSEh1PBE/aug-cc-pCVTZ
ABC
0.23767 0.23767 0.13642

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pCVTZ

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 1.783
F3 0.000 1.472 -0.233
F4 1.275 -0.736 -0.233
F5 -1.275 -0.736 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46031.57381.57381.5738
H21.46032.49642.49642.4964
F31.57382.49642.55042.5504
F41.57382.49642.55042.5504
F51.57382.49642.55042.5504

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.675 H2 Si1 F4 110.675
H2 Si1 F5 110.675 F3 Si1 F4 108.241
F3 Si1 F5 108.241 F4 Si1 F5 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.684      
2 H 0.001      
3 F -0.562      
4 F -0.562      
5 F -0.562      


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 1.361 1.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.389 0.000 0.000
y 0.000 -29.389 0.000
z 0.000 0.000 -25.885
Traceless
 xyz
x -1.752 0.000 0.000
y 0.000 -1.752 0.000
z 0.000 0.000 3.504
Polar
3z2-r27.007
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 3.573 0.000 0.000
y 0.000 3.573 -0.000
z 0.000 -0.000 3.635


<r2> (average value of r2) Å2
<r2> 82.269
(<r2>)1/2 9.070