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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-1670.997240
Energy at 298.15K-1670.998793
HF Energy-1670.997240
Nuclear repulsion energy334.316954
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 B97D3/aug-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 2238 2204 52.33      
2 A1 467 460 22.55      
3 A1 240 236 6.23      
4 E 773 761 115.89      
4 E 773 761 115.93      
5 E 564 555 138.53      
5 E 564 555 138.61      
6 E 166 163 1.57      
6 E 166 163 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 2975.0 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 2929.4 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 B97D3/aug-cc-pVTZ
ABC
0.07948 0.07948 0.04263

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-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 1.980
Cl3 0.000 1.941 -0.178
Cl4 1.681 -0.971 -0.178
Cl5 -1.681 -0.971 -0.178

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.47392.05842.05842.0584
H21.47392.90262.90262.9026
Cl32.05842.90263.36273.3627
Cl42.05842.90263.36273.3627
Cl52.05842.90263.36273.3627

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.403 H2 Si1 Cl4 109.403
H2 Si1 Cl5 109.403 Cl3 Si1 Cl4 109.539
Cl3 Si1 Cl5 109.539 Cl4 Si1 Cl5 109.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.127      
2 H -0.169      
3 Cl -0.320      
4 Cl -0.320      
5 Cl -0.320      


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 0.889 0.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.826 0.000 0.000
y 0.000 -51.826 0.000
z 0.000 0.000 -49.602
Traceless
 xyz
x -1.112 0.000 0.000
y 0.000 -1.112 0.000
z 0.000 0.000 2.225
Polar
3z2-r24.449
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 10.920 0.000 0.000
y 0.000 10.918 0.000
z 0.000 0.000 8.634


<r2> (average value of r2) Å2
<r2> 233.261
(<r2>)1/2 15.273