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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HF/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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-1707.321024
Energy at 298.15K-1707.324488
HF Energy-1707.321024
Nuclear repulsion energy438.308107
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 HF/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 3165 2881 0.48      
2 A1 1421 1294 20.40      
3 A1 787 717 68.81      
4 A1 467 425 22.21      
5 A1 247 224 12.90      
6 A2 184 168 0.00      
7 E 3245 2954 3.92      
7 E 3245 2954 3.92      
8 E 1567 1427 3.17      
8 E 1567 1427 3.17      
9 E 886 807 74.82      
9 E 886 807 74.82      
10 E 596 543 168.64      
10 E 596 543 168.64      
11 E 233 212 4.16      
11 E 233 212 4.16      
12 E 164 149 0.54      
12 E 164 149 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 9826.1 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 8945.7 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 HF/aug-cc-pVTZ
ABC
0.05806 0.05806 0.04340

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.259
C2 0.000 0.000 2.110
Cl3 0.000 1.916 -0.465
Cl4 1.660 -0.958 -0.465
Cl5 -1.660 -0.958 -0.465
H6 0.000 -1.017 2.482
H7 0.881 0.509 2.482
H8 -0.881 0.509 2.482

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85092.04892.04892.04892.44472.44472.4447
C21.85093.21043.21043.21041.08321.08321.0832
Cl32.04893.21043.31943.31944.15883.38343.3834
Cl42.04893.21043.31943.31943.38343.38344.1588
Cl52.04893.21043.31943.31943.38344.15883.3834
H62.44471.08324.15883.38343.38341.76191.7619
H72.44471.08323.38343.38344.15881.76191.7619
H82.44471.08323.38344.15883.38341.76191.7619

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.095 Si1 C2 H7 110.095
Si1 C2 H8 110.095 C2 Si1 Cl3 110.716
C2 Si1 Cl4 110.716 C2 Si1 Cl5 110.716
Cl3 Si1 Cl4 108.199 Cl3 Si1 Cl5 108.199
Cl4 Si1 Cl5 108.199 H6 C2 H7 108.840
H6 C2 H8 108.840 H7 C2 H8 108.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.239      
2 C -0.962      
3 Cl -0.383      
4 Cl -0.383      
5 Cl -0.383      
6 H 0.290      
7 H 0.290      
8 H 0.290      


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 2.100 2.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.683 0.000 0.000
y 0.000 -59.683 0.000
z 0.000 0.000 -55.134
Traceless
 xyz
x -2.274 0.000 0.000
y 0.000 -2.274 0.000
z 0.000 0.000 4.549
Polar
3z2-r29.097
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 10.825 0.000 0.000
y 0.000 10.825 0.000
z 0.000 0.000 10.274


<r2> (average value of r2) Å2
<r2> 283.938
(<r2>)1/2 16.850