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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-589.657920
Energy at 298.15K 
HF Energy-589.657920
Nuclear repulsion energy179.036872
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 wB97X-D/SDD
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 2411 2411 67.63 99.52 0.16 0.27
2 A1 752 752 79.37 8.27 0.00 0.00
3 A1 363 363 93.34 2.20 0.72 0.84
4 E 903 903 264.69 1.42 0.75 0.86
4 E 903 903 264.64 1.42 0.75 0.86
5 E 797 797 6.85 15.30 0.75 0.86
5 E 797 797 6.85 15.29 0.75 0.86
6 E 255 255 19.26 1.47 0.75 0.86
6 E 255 255 19.26 1.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3717.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3717.9 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 wB97X-D/SDD
ABC
0.21467 0.21467 0.12408

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.361
H2 0.000 0.000 1.820
F3 0.000 1.544 -0.255
F4 1.337 -0.772 -0.255
F5 -1.337 -0.772 -0.255

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45931.66211.66211.6621
H21.45932.58612.58612.5861
F31.66212.58612.67422.6742
F41.66212.58612.67422.6742
F51.66212.58612.67422.6742

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.730 H2 Si1 F4 111.730
H2 Si1 F5 111.730 F3 Si1 F4 107.121
F3 Si1 F5 107.121 F4 Si1 F5 107.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.595      
2 H -0.101      
3 F -0.498      
4 F -0.498      
5 F -0.498      


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 2.788 2.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.316 0.000 0.000
y 0.000 -32.316 0.000
z 0.000 0.000 -25.749
Traceless
 xyz
x -3.283 0.000 0.000
y 0.000 -3.283 0.000
z 0.000 0.000 6.567
Polar
3z2-r213.134
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 2.668 0.000 0.000
y 0.000 2.668 0.000
z 0.000 0.000 2.634


<r2> (average value of r2) Å2
<r2> 90.064
(<r2>)1/2 9.490