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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-589.842804
Energy at 298.15K 
HF Energy-589.842804
Nuclear repulsion energy183.045401
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 TPSSh/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 ?a 801 775 15.18 4.77 0.75 0.86
2 ?a 801 775 15.19 4.77 0.75 0.86
3 ?a 799 773 74.77 9.66 0.00 0.01
4 A1 2368 2291 44.21 106.88 0.10 0.19
4 A1 377 365 58.82 0.80 0.54 0.70
5 E 938 907 240.29 0.91 0.75 0.86
5 E 938 907 240.26 0.92 0.75 0.86
6 E 264 256 11.27 0.54 0.75 0.86
6 E 264 256 11.27 0.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3775.1 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 3651.7 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 TPSSh/aug-cc-pVDZ
ABC
0.22449 0.22449 0.12920

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.341
H2 0.000 0.000 1.808
F3 0.000 1.513 -0.244
F4 1.310 -0.757 -0.244
F5 -1.310 -0.757 -0.244

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46721.62201.62201.6220
H21.46722.54922.54922.5492
F31.62202.54922.62072.6207
F41.62202.54922.62072.6207
F51.62202.54922.62072.6207

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.119 H2 Si1 F4 111.119
H2 Si1 F5 111.119 F3 Si1 F4 107.774
F3 Si1 F5 107.774 F4 Si1 F5 107.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.502      
2 H 0.156      
3 F -0.553      
4 F -0.553      
5 F -0.553      


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 1.656 1.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.764 0.000 0.000
y 0.000 3.764 0.000
z 0.000 0.000 3.775


<r2> (average value of r2) Å2
<r2> 86.150
(<r2>)1/2 9.282