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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-1709.569647
Energy at 298.15K-1709.561396
HF Energy-1710.163333
Nuclear repulsion energy434.848061
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 B3LYP/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 3062 2940 0.05      
2 A1 1339 1286 20.51      
3 A1 748 718 73.87      
4 A1 437 419 22.13      
5 A1 231 222 13.58      
6 A2 167 160 0.00      
7 E 3147 3022 1.07      
7 E 3147 3022 1.07      
8 E 1482 1423 3.75      
8 E 1482 1423 3.75      
9 E 848 814 91.59      
9 E 848 814 91.59      
10 E 572 549 156.35      
10 E 572 549 156.34      
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) 9412.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 9039.2 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 B3LYP/6-31G*
ABC
0.05719 0.05719 0.04257

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.257
C2 0.000 0.000 2.117
Cl3 0.000 1.935 -0.466
Cl4 1.676 -0.968 -0.466
Cl5 -1.676 -0.968 -0.466
H6 0.000 -1.027 2.495
H7 0.890 0.514 2.495
H8 -0.890 0.514 2.495

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86012.06582.06582.06582.46292.46292.4629
C21.86013.22763.22763.22761.09491.09491.0949
Cl32.06583.22763.35163.35164.18893.40333.4033
Cl42.06583.22763.35163.35163.40333.40334.1889
Cl52.06583.22763.35163.35163.40334.18893.4033
H62.46291.09494.18893.40333.40331.77961.7796
H72.46291.09493.40333.40334.18891.77961.7796
H82.46291.09493.40334.18893.40331.77961.7796

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.256 Si1 C2 H7 110.256
Si1 C2 H8 110.256 C2 Si1 Cl3 110.409
C2 Si1 Cl4 110.409 C2 Si1 Cl5 110.409
Cl3 Si1 Cl4 108.517 Cl3 Si1 Cl5 108.517
Cl4 Si1 Cl5 108.517 H6 C2 H7 108.675
H6 C2 H8 108.675 H7 C2 H8 108.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.624      
2 C -0.650      
3 Cl -0.195      
4 Cl -0.195      
5 Cl -0.195      
6 H 0.204      
7 H 0.204      
8 H 0.204      


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 2.427 2.427
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 287.834
(<r2>)1/2 16.966