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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-1710.334024
Energy at 298.15K-1710.337205
HF Energy-1710.334024
Nuclear repulsion energy435.546089
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/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 3042 2943 0.00      
2 A1 1300 1258 18.18      
3 A1 746 721 63.86      
4 A1 434 420 18.84      
5 A1 228 220 9.72      
6 A2 166 161 0.00      
7 E 3122 3020 0.87      
7 E 3122 3020 0.87      
8 E 1454 1406 3.27      
8 E 1454 1406 3.27      
9 E 829 802 67.49      
9 E 829 802 67.51      
10 E 559 540 144.41      
10 E 559 540 144.44      
11 E 216 209 2.60      
11 E 216 209 2.60      
12 E 151 146 0.53      
12 E 151 146 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 9286.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 8984.5 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/aug-cc-pVTZ
ABC
0.05736 0.05736 0.04280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.263
C2 0.000 0.000 2.118
Cl3 0.000 1.930 -0.468
Cl4 1.671 -0.965 -0.468
Cl5 -1.671 -0.965 -0.468
H6 0.000 -1.024 2.491
H7 0.887 0.512 2.491
H8 -0.887 0.512 2.491

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85442.06372.06372.06372.45142.45142.4514
C21.85443.22633.22633.22631.08971.08971.0897
Cl32.06373.22633.34263.34264.18063.39843.3984
Cl42.06373.22633.34263.34263.39843.39844.1806
Cl52.06373.22633.34263.34263.39844.18063.3984
H62.45141.08974.18063.39843.39841.77351.7735
H72.45141.08973.39843.39844.18061.77351.7735
H82.45141.08973.39844.18063.39841.77351.7735

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.013 Si1 C2 H7 110.013
Si1 C2 H8 110.013 C2 Si1 Cl3 110.749
C2 Si1 Cl4 110.749 C2 Si1 Cl5 110.749
Cl3 Si1 Cl4 108.163 Cl3 Si1 Cl5 108.163
Cl4 Si1 Cl5 108.163 H6 C2 H7 108.924
H6 C2 H8 108.924 H7 C2 H8 108.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.311      
2 C -0.731      
3 Cl -0.385      
4 Cl -0.385      
5 Cl -0.385      
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 2.090 2.090
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.318 0.000 0.000
y 0.000 -59.318 0.000
z 0.000 0.000 -54.735
Traceless
 xyz
x -2.291 0.000 0.000
y 0.000 -2.291 0.000
z 0.000 0.000 4.583
Polar
3z2-r29.165
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 11.932 0.000 0.000
y 0.000 11.933 -0.001
z 0.000 -0.001 11.300


<r2> (average value of r2) Å2
<r2> 286.827
(<r2>)1/2 16.936