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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-1710.282113
Energy at 298.15K-1710.285412
HF Energy-1710.282113
Nuclear repulsion energy438.826047
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 mPW1PW91/6-311G**
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 3066 2933 0.20      
2 A1 1307 1251 32.14      
3 A1 765 732 78.14      
4 A1 449 429 24.26      
5 A1 237 227 14.31      
6 A2 178 170 0.00      
7 E 3160 3023 0.17      
7 E 3160 3023 0.17      
8 E 1448 1386 5.27      
8 E 1448 1386 5.26      
9 E 832 796 92.69      
9 E 832 796 92.68      
10 E 579 554 164.21      
10 E 579 554 164.21      
11 E 222 212 4.11      
11 E 222 212 4.11      
12 E 159 152 0.46      
12 E 159 152 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 9401.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8994.7 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 mPW1PW91/6-311G**
ABC
0.05825 0.05825 0.04346

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

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 2.102
Cl3 0.000 1.915 -0.464
Cl4 1.658 -0.957 -0.464
Cl5 -1.658 -0.957 -0.464
H6 0.000 -1.025 2.477
H7 0.888 0.512 2.477
H8 -0.888 0.512 2.477

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84392.04652.04652.04652.44422.44422.4442
C21.84393.20143.20143.20141.09151.09151.0915
Cl32.04653.20143.31693.31694.15823.37673.3767
Cl42.04653.20143.31693.31693.37673.37674.1582
Cl52.04653.20143.31693.31693.37674.15823.3767
H62.44421.09154.15823.37673.37671.77531.7753
H72.44421.09153.37673.37674.15821.77531.7753
H82.44421.09153.37674.15823.37671.77531.7753

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.100 Si1 C2 H7 110.100
Si1 C2 H8 110.100 C2 Si1 Cl3 110.649
C2 Si1 Cl4 110.649 C2 Si1 Cl5 110.649
Cl3 Si1 Cl4 108.268 Cl3 Si1 Cl5 108.268
Cl4 Si1 Cl5 108.268 H6 C2 H7 108.835
H6 C2 H8 108.835 H7 C2 H8 108.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.881      
2 C -0.632      
3 Cl -0.259      
4 Cl -0.259      
5 Cl -0.259      
6 H 0.175      
7 H 0.175      
8 H 0.175      


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 2.444 2.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.418 0.000 0.000
y 0.000 -60.418 0.000
z 0.000 0.000 -54.982
Traceless
 xyz
x -2.718 0.000 0.000
y 0.000 -2.718 0.000
z 0.000 0.000 5.435
Polar
3z2-r210.871
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 9.592 0.000 0.000
y 0.000 9.592 0.000
z 0.000 0.000 8.538


<r2> (average value of r2) Å2
<r2> 283.593
(<r2>)1/2 16.840