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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-1710.178160
Energy at 298.15K-1710.181412
HF Energy-1710.178160
Nuclear repulsion energy437.774542
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 mPW1PW91/6-31+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 3079 2931 0.00      
2 A1 1314 1250 29.88      
3 A1 762 725 74.46      
4 A1 449 428 22.07      
5 A1 233 221 14.03      
6 A2 174 166 0.00      
7 E 3180 3027 0.24      
7 E 3180 3027 0.24      
8 E 1457 1387 5.54      
8 E 1457 1387 5.54      
9 E 834 794 90.67      
9 E 834 794 90.66      
10 E 584 556 157.34      
10 E 584 556 157.37      
11 E 218 208 3.78      
11 E 218 208 3.78      
12 E 155 148 0.71      
12 E 155 148 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9434.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 8979.7 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 mPW1PW91/6-31+G**
ABC
0.05798 0.05798 0.04321

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.255
C2 0.000 0.000 2.106
Cl3 0.000 1.921 -0.464
Cl4 1.663 -0.960 -0.464
Cl5 -1.663 -0.960 -0.464
H6 0.000 -1.026 2.482
H7 0.888 0.513 2.482
H8 -0.888 0.513 2.482

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85042.05072.05072.05072.45182.45182.4518
C21.85043.20773.20773.20771.09271.09271.0927
Cl32.05073.20773.32663.32664.16633.38343.3834
Cl42.05073.20773.32663.32663.38353.38354.1663
Cl52.05073.20773.32663.32663.38354.16633.3835
H62.45181.09274.16633.38353.38351.77681.7768
H72.45181.09273.38343.38354.16631.77681.7768
H82.45181.09273.38344.16633.38351.77681.7768

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.151 Si1 C2 H7 110.151
Si1 C2 H8 110.151 C2 Si1 Cl3 110.519
C2 Si1 Cl4 110.519 C2 Si1 Cl5 110.519
Cl3 Si1 Cl4 108.403 Cl3 Si1 Cl5 108.403
Cl4 Si1 Cl5 108.403 H6 C2 H7 108.783
H6 C2 H8 108.783 H7 C2 H8 108.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.273      
2 C -0.650      
3 Cl -0.087      
4 Cl -0.087      
5 Cl -0.087      
6 H 0.212      
7 H 0.212      
8 H 0.212      


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 2.326 2.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.602 0.000 0.000
y 0.000 -59.602 0.000
z 0.000 0.000 -54.544
Traceless
 xyz
x -2.529 0.000 0.000
y 0.000 -2.529 0.000
z 0.000 0.000 5.058
Polar
3z2-r210.116
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 10.086 0.000 0.000
y 0.000 10.085 0.001
z 0.000 0.001 9.216


<r2> (average value of r2) Å2
<r2> 284.408
(<r2>)1/2 16.864