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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-1710.174958
Energy at 298.15K-1710.178219
HF Energy-1710.174958
Nuclear repulsion energy437.713307
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 3084 2934 0.46      
2 A1 1321 1257 29.02      
3 A1 764 727 78.13      
4 A1 451 429 22.11      
5 A1 235 223 14.30      
6 A2 170 162 0.00      
7 E 3185 3031 0.18      
7 E 3185 3031 0.18      
8 E 1462 1392 4.30      
8 E 1462 1392 4.30      
9 E 840 799 99.61      
9 E 840 799 99.60      
10 E 589 561 155.39      
10 E 589 561 155.39      
11 E 220 209 3.51      
11 E 220 209 3.51      
12 E 156 148 0.77      
12 E 156 148 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 9464.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 9005.1 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
0.05796 0.05796 0.04320

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 0.255
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
Si11.85092.05102.05102.05102.45162.45162.4516
C21.85093.20863.20863.20861.09231.09231.0923
Cl32.05103.20863.32683.32684.16663.38393.3839
Cl42.05103.20863.32683.32683.38393.38394.1666
Cl52.05103.20863.32683.32683.38394.16663.3839
H62.45161.09234.16663.38393.38391.77631.7763
H72.45161.09233.38393.38394.16661.77631.7763
H82.45161.09233.38394.16663.38391.77631.7763

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.130 Si1 C2 H7 110.130
Si1 C2 H8 110.130 C2 Si1 Cl3 110.532
C2 Si1 Cl4 110.532 C2 Si1 Cl5 110.532
Cl3 Si1 Cl4 108.390 Cl3 Si1 Cl5 108.390
Cl4 Si1 Cl5 108.390 H6 C2 H7 108.804
H6 C2 H8 108.804 H7 C2 H8 108.804
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 0.654      
2 C -0.614      
3 Cl -0.200      
4 Cl -0.200      
5 Cl -0.200      
6 H 0.186      
7 H 0.186      
8 H 0.186      


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 2.438 2.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.356 0.000 0.000
y 0.000 -59.356 0.000
z 0.000 0.000 -53.920
Traceless
 xyz
x -2.718 0.000 0.000
y 0.000 -2.718 0.000
z 0.000 0.000 5.436
Polar
3z2-r210.872
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 8.928 0.000 0.000
y 0.000 8.928 0.000
z 0.000 0.000 7.862


<r2> (average value of r2) Å2
<r2> 284.243
(<r2>)1/2 16.860