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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-1710.172399
Energy at 298.15K-1710.175592
HF Energy-1710.172399
Nuclear repulsion energy434.827235
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/6-31+G**
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 3052 2943 0.15      
2 A1 1314 1267 21.91      
3 A1 745 718 72.92      
4 A1 435 419 22.48      
5 A1 230 221 13.54      
6 A2 171 165 0.00      
7 E 3142 3029 0.87      
7 E 3142 3029 0.87      
8 E 1458 1406 4.88      
8 E 1458 1406 4.88      
9 E 837 807 82.63      
9 E 837 807 82.63      
10 E 566 545 161.78      
10 E 566 545 161.80      
11 E 217 209 3.69      
11 E 217 209 3.70      
12 E 153 148 0.71      
12 E 153 148 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9346.2 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 9011.6 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 B3LYP/6-31+G**
ABC
0.05721 0.05721 0.04257

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.258
C2 0.000 0.000 2.116
Cl3 0.000 1.935 -0.466
Cl4 1.676 -0.967 -0.466
Cl5 -1.676 -0.967 -0.466
H6 0.000 -1.027 2.493
H7 0.890 0.514 2.493
H8 -0.890 0.514 2.493

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85852.06592.06592.06592.46032.46032.4603
C21.85853.22693.22693.22691.09431.09431.0943
Cl32.06593.22693.35143.35144.18723.40153.4015
Cl42.06593.22693.35143.35143.40153.40154.1872
Cl52.06593.22693.35143.35143.40154.18723.4015
H62.46031.09434.18723.40153.40151.77931.7793
H72.46031.09433.40153.40154.18721.77931.7793
H82.46031.09433.40154.18723.40151.77931.7793

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.156 Si1 C2 H7 110.156
Si1 C2 H8 110.156 C2 Si1 Cl3 110.511
C2 Si1 Cl4 110.511 C2 Si1 Cl5 110.511
Cl3 Si1 Cl4 108.411 Cl3 Si1 Cl5 108.411
Cl4 Si1 Cl5 108.411 H6 C2 H7 108.778
H6 C2 H8 108.778 H7 C2 H8 108.778
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.432      
2 C -0.623      
3 Cl -0.128      
4 Cl -0.128      
5 Cl -0.128      
6 H 0.191      
7 H 0.191      
8 H 0.191      


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 2.348 2.348
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.238 0.000 0.000
y 0.000 -60.238 0.000
z 0.000 0.000 -55.062
Traceless
 xyz
x -2.588 0.000 0.000
y 0.000 -2.588 0.000
z 0.000 0.000 5.175
Polar
3z2-r210.351
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 10.420 0.000 0.000
y 0.000 10.420 -0.000
z 0.000 -0.000 9.506


<r2> (average value of r2) Å2
<r2> 288.189
(<r2>)1/2 16.976