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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/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 PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-1709.499427
Energy at 298.15K-1709.502490
HF Energy-1709.499427
Nuclear repulsion energy434.612471
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/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 2982 2963 0.06      
2 A1 1237 1228 18.91      
3 A1 734 730 61.71      
4 A1 427 425 17.34      
5 A1 220 219 8.63      
6 A2 156 155 0.00      
7 E 3070 3050 0.35      
7 E 3070 3050 0.35      
8 E 1397 1388 3.27      
8 E 1397 1388 3.27      
9 E 795 790 67.83      
9 E 795 790 67.84      
10 E 553 549 131.32      
10 E 553 549 131.31      
11 E 207 206 1.99      
11 E 207 206 1.99      
12 E 145 144 0.52      
12 E 145 144 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 9045.6 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 8986.8 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/aug-cc-pVTZ
ABC
0.05712 0.05712 0.04265

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.264
C2 0.000 0.000 2.124
Cl3 0.000 1.933 -0.469
Cl4 1.674 -0.967 -0.469
Cl5 -1.674 -0.967 -0.469
H6 0.000 -1.033 2.497
H7 0.894 0.516 2.497
H8 -0.894 0.516 2.497

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85992.06752.06752.06752.45992.45992.4599
C21.85993.23453.23453.23451.09781.09781.0978
Cl32.06753.23453.34833.34834.19443.40653.4065
Cl42.06753.23453.34833.34833.40653.40654.1944
Cl52.06753.23453.34833.34833.40654.19443.4065
H62.45991.09784.19443.40653.40651.78851.7885
H72.45991.09783.40653.40654.19441.78851.7885
H82.45991.09783.40654.19443.40651.78851.7885

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.853 Si1 C2 H7 109.853
Si1 C2 H8 109.853 C2 Si1 Cl3 110.774
C2 Si1 Cl4 110.774 C2 Si1 Cl5 110.774
Cl3 Si1 Cl4 108.138 Cl3 Si1 Cl5 108.138
Cl4 Si1 Cl5 108.138 H6 C2 H7 109.087
H6 C2 H8 109.087 H7 C2 H8 109.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.134      
2 C -0.622      
3 Cl -0.349      
4 Cl -0.349      
5 Cl -0.349      
6 H 0.178      
7 H 0.178      
8 H 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 2.078 2.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.946 0.000 0.000
y 0.000 -58.946 0.000
z 0.000 0.000 -54.421
Traceless
 xyz
x -2.262 0.000 0.000
y 0.000 -2.262 0.000
z 0.000 0.000 4.524
Polar
3z2-r29.049
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 12.357 0.000 0.000
y 0.000 12.358 -0.000
z 0.000 -0.000 11.734


<r2> (average value of r2) Å2
<r2> 287.633
(<r2>)1/2 16.960