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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B2PLYP=FULLultrafine/daug-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 B2PLYP=FULLultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-589.533752
Energy at 298.15K 
HF Energy-589.295216
Nuclear repulsion energy183.509722
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/daug-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 2390 2390 44.67 125.53 0.11 0.20
2 A1 808 808 78.42 9.92 0.00 0.01
3 A1 386 386 65.14 0.65 0.43 0.60
4 E 945 945 248.00 0.74 0.75 0.86
4 E 945 945 247.98 0.74 0.75 0.86
5 E 816 816 17.06 4.72 0.75 0.86
5 E 816 816 17.07 4.67 0.75 0.86
6 E 271 271 12.51 0.47 0.75 0.86
6 E 271 271 12.51 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3824.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3824.2 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/daug-cc-pVDZ
ABC
0.22563 0.22563 0.12981

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.340
H2 0.000 0.000 1.801
F3 0.000 1.509 -0.243
F4 1.307 -0.755 -0.243
F5 -1.307 -0.755 -0.243

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46191.61791.61791.6179
H21.46192.54112.54112.5411
F31.61792.54112.61452.6145
F41.61792.54112.61452.6145
F51.61792.54112.61452.6145

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.097 H2 Si1 F4 111.097
H2 Si1 F5 111.097 F3 Si1 F4 107.798
F3 Si1 F5 107.798 F4 Si1 F5 107.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.481      
2 H 0.326      
3 F -0.602      
4 F -0.602      
5 F -0.602      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.338 0.000 0.000
y 0.000 -30.338 0.000
z 0.000 0.000 -26.139
Traceless
 xyz
x -2.099 0.000 0.000
y 0.000 -2.099 0.000
z 0.000 0.000 4.199
Polar
3z2-r28.398
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 3.743 0.000 0.000
y 0.000 3.743 0.000
z 0.000 0.000 3.769


<r2> (average value of r2) Å2
<r2> 86.046
(<r2>)1/2 9.276