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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1670.902005
Energy at 298.15K-1670.903513
Nuclear repulsion energy332.135341
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/cc-pVTZ
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 2236 2229 56.14      
2 A1 457 455 24.15      
3 A1 233 232 6.11      
4 E 774 772 119.50      
4 E 774 772 119.50      
5 E 556 554 136.58      
5 E 556 554 136.57      
6 E 161 160 1.53      
6 E 161 160 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 2953.0 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 2944.2 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 BLYP/cc-pVTZ
ABC
0.07842 0.07842 0.04202

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.506
H2 0.000 0.000 1.982
Cl3 0.000 1.956 -0.178
Cl4 1.694 -0.978 -0.178
Cl5 -1.694 -0.978 -0.178

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.47572.07152.07152.0715
H21.47572.91312.91312.9131
Cl32.07152.91313.38703.3870
Cl42.07152.91313.38703.3870
Cl52.07152.91313.38703.3870

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.265 H2 Si1 Cl4 109.265
H2 Si1 Cl5 109.265 Cl3 Si1 Cl4 109.676
Cl3 Si1 Cl5 109.676 Cl4 Si1 Cl5 109.676
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.549      
2 H -0.016      
3 Cl -0.178      
4 Cl -0.178      
5 Cl -0.178      


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 0.876 0.876
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.083 0.000 0.000
y 0.000 -52.083 0.000
z 0.000 0.000 -49.962
Traceless
 xyz
x -1.060 0.000 0.000
y 0.000 -1.060 0.000
z 0.000 0.000 2.121
Polar
3z2-r24.241
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 236.232
(<r2>)1/2 15.370