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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: TPSSh/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/cc-pVDZ
 hartrees
Energy at 0K-589.803685
Energy at 298.15K 
HF Energy-589.803685
Nuclear repulsion energy182.465230
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/cc-pVDZ
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 2368 2302 62.16 88.29 0.17 0.29
2 A1 815 792 68.46 5.21 0.00 0.00
3 A1 383 373 66.19 1.19 0.71 0.83
4 E 976 949 213.04 0.40 0.75 0.86
4 E 976 949 213.02 0.40 0.75 0.86
5 E 804 782 21.81 9.23 0.75 0.86
5 E 804 782 21.81 9.22 0.75 0.86
6 E 272 265 12.56 0.77 0.75 0.86
6 E 272 265 12.57 0.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3835.6 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 3729.8 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/cc-pVDZ
ABC
0.22307 0.22307 0.12807

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.338
H2 0.000 0.000 1.807
F3 0.000 1.520 -0.242
F4 1.316 -0.760 -0.242
F5 -1.316 -0.760 -0.242

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46851.62671.62671.6267
H21.46852.55082.55082.5508
F31.62672.55082.63222.6322
F41.62672.55082.63222.6322
F51.62672.55082.63222.6322

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.896 H2 Si1 F4 110.896
H2 Si1 F5 110.896 F3 Si1 F4 108.010
F3 Si1 F5 108.010 F4 Si1 F5 108.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.943      
2 H -0.073      
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 1.552 1.552
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 2.822 0.000 0.000
y 0.000 2.822 -0.000
z 0.000 -0.000 2.898


<r2> (average value of r2) Å2
<r2> 86.327
(<r2>)1/2 9.291