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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: BLYP/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 BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-589.931441
Energy at 298.15K 
HF Energy-589.931441
Nuclear repulsion energy185.345038
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 BLYP/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 2309 2296 57.07 104.20 0.11 0.20
2 A1 791 786 71.97 8.61 0.00 0.01
3 A1 398 395 57.62 0.79 0.53 0.70
4 E 931 926 243.31 0.73 0.75 0.86
4 E 931 926 243.28 0.73 0.75 0.86
5 E 801 797 10.51 5.48 0.75 0.86
5 E 801 797 10.51 5.48 0.75 0.86
6 E 286 284 10.40 0.57 0.75 0.86
6 E 286 284 10.40 0.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3766.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3745.4 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 BLYP/6-311+G(3df,2p)
ABC
0.23021 0.23021 0.13174

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.325
H2 0.000 0.000 1.788
F3 0.000 1.498 -0.235
F4 1.298 -0.749 -0.235
F5 -1.298 -0.749 -0.235

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46331.59951.59951.5995
H21.46332.51742.51742.5174
F31.59952.51742.59532.5953
F41.59952.51742.59532.5953
F51.59952.51742.59532.5953

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.481 H2 Si1 F4 110.481
H2 Si1 F5 110.481 F3 Si1 F4 108.443
F3 Si1 F5 108.443 F4 Si1 F5 108.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.221      
2 H -0.053      
3 F -0.389      
4 F -0.389      
5 F -0.389      


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 1.364 1.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.874 0.000 0.000
y 0.000 -29.874 0.000
z 0.000 0.000 -26.366
Traceless
 xyz
x -1.754 0.000 0.000
y 0.000 -1.754 0.000
z 0.000 0.000 3.507
Polar
3z2-r27.015
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 3.766 0.000 0.000
y 0.000 3.766 0.000
z 0.000 0.000 3.816


<r2> (average value of r2) Å2
<r2> 84.710
(<r2>)1/2 9.204