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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-1709.220341
Energy at 298.15K-1709.223163
HF Energy-1709.220341
Nuclear repulsion energy415.497032
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/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 3012 2970 0.79      
2 A1 1324 1306 19.86      
3 A1 725 715 53.70      
4 A1 378 372 19.63      
5 A1 193 190 16.71      
6 A2 150 148 0.00      
7 E 3122 3079 0.05      
7 E 3122 3079 0.05      
8 E 1448 1428 9.08      
8 E 1448 1428 9.08      
9 E 886 874 81.47      
9 E 886 874 81.46      
10 E 509 502 120.14      
10 E 509 502 120.15      
11 E 188 185 3.55      
11 E 188 185 3.55      
12 E 129 127 1.18      
12 E 129 127 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 9172.1 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 9045.6 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/6-31G
ABC
0.05235 0.05235 0.03843

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.285
C2 0.000 0.000 2.177
Cl3 0.000 2.037 -0.484
Cl4 1.764 -1.019 -0.484
Cl5 -1.764 -1.019 -0.484
H6 0.000 -1.038 2.544
H7 0.899 0.519 2.544
H8 -0.899 0.519 2.544

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.89172.17742.17742.17742.48652.48652.4865
C21.89173.35093.35093.35091.10141.10141.1014
Cl32.17743.35093.52853.52854.31603.50473.5047
Cl42.17743.35093.52853.52853.50473.50474.3160
Cl52.17743.35093.52853.52853.50474.31603.5047
H62.48651.10144.31603.50473.50471.79821.7982
H72.48651.10143.50473.50474.31601.79821.7982
H82.48651.10143.50474.31603.50471.79821.7982

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.505 Si1 C2 H7 109.505
Si1 C2 H8 109.505 C2 Si1 Cl3 110.677
C2 Si1 Cl4 110.677 C2 Si1 Cl5 110.677
Cl3 Si1 Cl4 108.239 Cl3 Si1 Cl5 108.239
Cl4 Si1 Cl5 108.239 H6 C2 H7 109.437
H6 C2 H8 109.437 H7 C2 H8 109.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.657      
2 C -0.737      
3 Cl -0.206      
4 Cl -0.206      
5 Cl -0.206      
6 H 0.232      
7 H 0.232      
8 H 0.232      


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 3.446 3.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.828 0.000 0.000
y 0.000 -62.828 0.000
z 0.000 0.000 -54.278
Traceless
 xyz
x -4.275 0.000 0.000
y 0.000 -4.275 0.000
z 0.000 0.000 8.550
Polar
3z2-r217.101
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 10.045 0.000 0.000
y 0.000 10.045 0.000
z 0.000 0.000 7.903


<r2> (average value of r2) Å2
<r2> 313.271
(<r2>)1/2 17.699