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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B2PLYP=FULLultrafine/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-589.750851
Energy at 298.15K 
HF Energy-589.405047
Nuclear repulsion energy187.771079
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/6-311+G(3df,2p)
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 2403 2403 59.89 94.50 0.10 0.18
2 A1 835 835 78.27 7.10 0.00 0.01
3 A1 416 416 66.94 0.59 0.55 0.71
4 E 980 980 258.93 0.58 0.75 0.86
4 E 980 980 258.90 0.58 0.75 0.86
5 E 840 840 17.08 4.60 0.75 0.86
5 E 840 840 17.09 4.60 0.75 0.86
6 E 299 299 11.86 0.44 0.75 0.86
6 E 299 299 11.86 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3947.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3947.0 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/6-311+G(3df,2p)
ABC
0.23629 0.23629 0.13537

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)

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 1.772
F3 0.000 1.478 -0.233
F4 1.280 -0.739 -0.233
F5 -1.280 -0.739 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45031.57881.57881.5788
H21.45032.49092.49092.4909
F31.57882.49092.56022.5602
F41.57882.49092.56022.5602
F51.57882.49092.56022.5602

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.566 H2 Si1 F4 110.566
H2 Si1 F5 110.566 F3 Si1 F4 108.355
F3 Si1 F5 108.355 F4 Si1 F5 108.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.331      
2 H -0.061      
3 F -0.423      
4 F -0.423      
5 F -0.423      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.612 0.000 0.000
y 0.000 -29.612 0.000
z 0.000 0.000 -26.118
Traceless
 xyz
x -1.747 0.000 0.000
y 0.000 -1.747 0.000
z 0.000 0.000 3.494
Polar
3z2-r26.987
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 3.446 0.000 0.000
y 0.000 3.446 0.000
z 0.000 0.000 3.491


<r2> (average value of r2) Å2
<r2> 82.815
(<r2>)1/2 9.100