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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/aug-cc-pCVTZ
 hartrees
Energy at 0K-589.854590
Energy at 298.15K 
HF Energy-589.427941
Nuclear repulsion energy188.075727
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 B2PLYP=FULLultrafine/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 2402 2402 60.29 99.06 0.09 0.17
2 A1 843 843 79.42 8.00 0.00 0.00
3 A1 415 415 66.79 0.55 0.51 0.68
4 E 987 987 259.17 0.56 0.75 0.86
4 E 987 987 259.24 0.56 0.75 0.86
5 E 850 850 16.95 3.94 0.75 0.86
5 E 850 850 16.94 3.95 0.75 0.86
6 E 297 297 12.07 0.37 0.75 0.86
6 E 297 297 12.06 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3963.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3963.0 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 B2PLYP=FULLultrafine/aug-cc-pCVTZ
ABC
0.23706 0.23706 0.13598

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pCVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.323
H2 0.000 0.000 1.774
F3 0.000 1.475 -0.233
F4 1.277 -0.737 -0.233
F5 -1.277 -0.737 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45131.57631.57631.5763
H21.45132.49122.49122.4912
F31.57632.49122.55452.5545
F41.57632.49122.55452.5545
F51.57632.49122.55452.5545

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.668 H2 Si1 F4 110.669
H2 Si1 F5 110.669 F3 Si1 F4 108.248
F3 Si1 F5 108.248 F4 Si1 F5 108.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.937      
2 H -0.048      
3 F -0.629      
4 F -0.629      
5 F -0.629      


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 1.383 1.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.632 0.000 0.000
y 0.000 -29.632 0.000
z 0.000 0.000 -26.087
Traceless
 xyz
x -1.772 0.000 0.000
y 0.000 -1.772 0.000
z 0.000 0.000 3.545
Polar
3z2-r27.090
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 3.562 0.000 0.000
y 0.000 3.562 0.000
z 0.000 0.000 3.603


<r2> (average value of r2) Å2
<r2> 82.533
(<r2>)1/2 9.085