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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-1710.049753
Energy at 298.15K-1710.052731
HF Energy-1710.049753
Nuclear repulsion energy419.307233
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 mPW1PW91/6-31G
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 3097 2931 0.69      
2 A1 1384 1311 26.88      
3 A1 753 713 58.27      
4 A1 396 375 21.35      
5 A1 201 190 20.67      
6 A2 158 150 0.00      
7 E 3210 3038 0.29      
7 E 3210 3038 0.29      
8 E 1496 1416 11.55      
8 E 1496 1416 11.55      
9 E 921 872 90.12      
9 E 921 872 90.12      
10 E 532 504 128.51      
10 E 532 504 128.51      
11 E 196 186 5.31      
11 E 196 186 5.32      
12 E 135 128 1.31      
12 E 135 128 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 9484.1 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 8977.7 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 mPW1PW91/6-31G
ABC
0.05328 0.05328 0.03921

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

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 2.017 -0.481
Cl4 1.747 -1.008 -0.481
Cl5 -1.747 -1.008 -0.481
H6 0.000 -1.028 2.530
H7 0.890 0.514 2.530
H8 -0.890 0.514 2.530

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.87692.15722.15722.15722.46982.46982.4698
C21.87693.32423.32423.32421.09211.09211.0921
Cl32.15723.32423.49313.49314.28233.48123.4812
Cl42.15723.32423.49313.49313.48123.48124.2823
Cl52.15723.32423.49313.49313.48124.28233.4812
H62.46981.09214.28233.48123.48121.78051.7805
H72.46981.09213.48123.48124.28231.78051.7805
H82.46981.09213.48124.28233.48121.78051.7805

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.733 Si1 C2 H7 109.733
Si1 C2 H8 109.733 C2 Si1 Cl3 110.789
C2 Si1 Cl4 110.789 C2 Si1 Cl5 110.789
Cl3 Si1 Cl4 108.122 Cl3 Si1 Cl5 108.122
Cl4 Si1 Cl5 108.122 H6 C2 H7 109.208
H6 C2 H8 109.208 H7 C2 H8 109.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.795      
2 C -0.809      
3 Cl -0.240      
4 Cl -0.240      
5 Cl -0.240      
6 H 0.245      
7 H 0.245      
8 H 0.245      


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 3.552 3.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.304 0.000 0.000
y 0.000 -63.304 0.000
z 0.000 0.000 -54.413
Traceless
 xyz
x -4.446 0.000 0.000
y 0.000 -4.446 0.000
z 0.000 0.000 8.891
Polar
3z2-r217.782
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 9.473 0.000 0.000
y 0.000 9.473 0.000
z 0.000 0.000 7.466


<r2> (average value of r2) Å2
<r2> 308.465
(<r2>)1/2 17.563