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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-1709.433375
Energy at 298.15K-1709.436342
HF Energy-1709.433375
Nuclear repulsion energy419.105830
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 HSEh1PBE/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 3092 2957 0.88      
2 A1 1379 1319 27.17      
3 A1 752 720 57.85      
4 A1 395 378 21.27      
5 A1 200 191 20.36      
6 A2 159 152 0.00      
7 E 3205 3066 0.32      
7 E 3205 3066 0.32      
8 E 1491 1426 11.38      
8 E 1491 1426 11.39      
9 E 918 878 89.50      
9 E 918 878 89.51      
10 E 531 508 127.56      
10 E 531 508 127.53      
11 E 195 187 5.21      
11 E 195 187 5.22      
12 E 134 128 1.28      
12 E 134 128 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 9461.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9050.7 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 HSEh1PBE/6-31G
ABC
0.05324 0.05324 0.03916

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.284
C2 0.000 0.000 2.161
Cl3 0.000 2.018 -0.481
Cl4 1.748 -1.009 -0.481
Cl5 -1.748 -1.009 -0.481
H6 0.000 -1.029 2.530
H7 0.891 0.515 2.530
H8 -0.891 0.515 2.530

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.87712.15832.15832.15832.47022.47022.4702
C21.87713.32493.32493.32491.09321.09321.0932
Cl32.15833.32493.49533.49534.28393.48153.4815
Cl42.15833.32493.49533.49533.48153.48154.2839
Cl52.15833.32493.49533.49533.48154.28393.4815
H62.47021.09324.28393.48153.48151.78281.7828
H72.47021.09323.48153.48154.28391.78281.7828
H82.47021.09323.48154.28393.48151.78281.7828

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.697 Si1 C2 H7 109.697
Si1 C2 H8 109.697 C2 Si1 Cl3 110.769
C2 Si1 Cl4 110.769 C2 Si1 Cl5 110.769
Cl3 Si1 Cl4 108.142 Cl3 Si1 Cl5 108.142
Cl4 Si1 Cl5 108.142 H6 C2 H7 109.245
H6 C2 H8 109.245 H7 C2 H8 109.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.778      
2 C -0.803      
3 Cl -0.236      
4 Cl -0.236      
5 Cl -0.236      
6 H 0.244      
7 H 0.244      
8 H 0.244      


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 3.544 3.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.365 0.000 0.000
y 0.000 -63.365 0.000
z 0.000 0.000 -54.498
Traceless
 xyz
x -4.434 0.000 0.000
y 0.000 -4.434 0.000
z 0.000 0.000 8.868
Polar
3z2-r217.735
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 9.523 0.000 0.000
y 0.000 9.523 0.000
z 0.000 0.000 7.507


<r2> (average value of r2) Å2
<r2> 308.770
(<r2>)1/2 17.572