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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-1670.187992
Energy at 298.15K-1670.189560
HF Energy-1670.187992
Nuclear repulsion energy336.010697
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 PBEPBE/Def2TZVPP
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 2227 2200 52.39      
2 A1 476 470 22.78      
3 A1 241 238 5.86      
4 E 768 759 117.35      
4 E 768 759 117.37      
5 E 580 573 129.02      
5 E 580 573 129.04      
6 E 166 164 1.45      
6 E 166 164 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 2985.7 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 2949.6 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 PBEPBE/Def2TZVPP
ABC
0.08030 0.08030 0.04306

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.502
H2 0.000 0.000 1.981
Cl3 0.000 1.934 -0.177
Cl4 1.675 -0.967 -0.177
Cl5 -1.675 -0.967 -0.177

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.47892.04942.04942.0494
H21.47892.89712.89712.8971
Cl32.04942.89713.34973.3497
Cl42.04942.89713.34973.3497
Cl52.04942.89713.34973.3497

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.324 H2 Si1 Cl4 109.324
H2 Si1 Cl5 109.324 Cl3 Si1 Cl4 109.618
Cl3 Si1 Cl5 109.618 Cl4 Si1 Cl5 109.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.551      
2 H -0.034      
3 Cl -0.173      
4 Cl -0.173      
5 Cl -0.173      


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 0.742 0.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.198 0.000 0.000
y 0.000 -51.198 0.000
z 0.000 0.000 -49.611
Traceless
 xyz
x -0.794 0.000 0.000
y 0.000 -0.794 0.000
z 0.000 0.000 1.587
Polar
3z2-r23.174
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 9.636 0.000 0.000
y 0.000 9.635 0.000
z 0.000 0.000 7.324


<r2> (average value of r2) Å2
<r2> 230.995
(<r2>)1/2 15.199