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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-1709.943246
Energy at 298.15K-1709.946462
HF Energy-1709.943246
Nuclear repulsion energy436.603123
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 B3PW91/6-31G*
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 3071 2938 0.22      
2 A1 1332 1274 28.07      
3 A1 757 724 76.24      
4 A1 445 426 21.92      
5 A1 233 223 13.83      
6 A2 168 160 0.00      
7 E 3166 3029 0.43      
7 E 3166 3029 0.43      
8 E 1475 1411 4.79      
8 E 1475 1411 4.79      
9 E 843 807 98.04      
9 E 843 807 98.03      
10 E 582 557 155.70      
10 E 582 557 155.70      
11 E 218 209 3.33      
11 E 218 209 3.33      
12 E 154 148 0.74      
12 E 154 148 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9440.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9032.0 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 B3PW91/6-31G*
ABC
0.05766 0.05766 0.04298

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.256
C2 0.000 0.000 2.111
Cl3 0.000 1.926 -0.465
Cl4 1.668 -0.963 -0.465
Cl5 -1.668 -0.963 -0.465
H6 0.000 -1.027 2.489
H7 0.890 0.514 2.489
H8 -0.890 0.514 2.489

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85562.05622.05622.05622.45882.45882.4588
C21.85563.21653.21653.21651.09491.09491.0949
Cl32.05623.21653.33543.33544.17743.39333.3933
Cl42.05623.21653.33543.33543.39333.39334.1774
Cl52.05623.21653.33543.33543.39334.17743.3933
H62.45881.09494.17743.39333.39331.77971.7797
H72.45881.09493.39333.39334.17741.77971.7797
H82.45881.09493.39334.17743.39331.77971.7797

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.205 Si1 C2 H7 110.205
Si1 C2 H8 110.205 C2 Si1 Cl3 110.519
C2 Si1 Cl4 110.519 C2 Si1 Cl5 110.519
Cl3 Si1 Cl4 108.403 Cl3 Si1 Cl5 108.403
Cl4 Si1 Cl5 108.403 H6 C2 H7 108.728
H6 C2 H8 108.728 H7 C2 H8 108.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.643      
2 C -0.731      
3 Cl -0.198      
4 Cl -0.198      
5 Cl -0.198      
6 H 0.227      
7 H 0.227      
8 H 0.227      


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 2.439 2.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.348 0.000 0.000
y 0.000 -59.348 0.000
z 0.000 0.000 -53.926
Traceless
 xyz
x -2.711 0.000 0.000
y 0.000 -2.711 0.000
z 0.000 0.000 5.421
Polar
3z2-r210.843
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 8.995 0.000 0.000
y 0.000 8.995 0.000
z 0.000 0.000 7.891


<r2> (average value of r2) Å2
<r2> 285.517
(<r2>)1/2 16.897