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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-1710.387167
Energy at 298.15K-1710.390453
HF Energy-1710.387167
Nuclear repulsion energy439.906428
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 B1B95/6-311G*
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 3073 2945 0.01      
2 A1 1326 1271 35.07      
3 A1 771 739 78.71      
4 A1 451 433 24.30      
5 A1 236 226 14.06      
6 A2 177 170 0.00      
7 E 3164 3033 0.71      
7 E 3164 3033 0.71      
8 E 1467 1406 5.92      
8 E 1467 1406 5.92      
9 E 839 805 94.60      
9 E 839 805 94.55      
10 E 583 559 167.31      
10 E 583 559 167.26      
11 E 220 211 4.24      
11 E 220 211 4.24      
12 E 158 152 0.41      
12 E 158 152 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 9447.9 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 9056.7 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 B1B95/6-311G*
ABC
0.05853 0.05853 0.04370

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.257
C2 0.000 0.000 2.097
Cl3 0.000 1.910 -0.463
Cl4 1.654 -0.955 -0.463
Cl5 -1.654 -0.955 -0.463
H6 0.000 -1.021 2.477
H7 0.885 0.511 2.477
H8 -0.885 0.511 2.477

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84032.04092.04092.04092.44422.44422.4442
C21.84033.19393.19393.19391.08991.08991.0899
Cl32.04093.19393.30793.30794.15183.37423.3742
Cl42.04093.19393.30793.30793.37423.37424.1518
Cl52.04093.19393.30793.30793.37424.15183.3742
H62.44421.08994.15183.37423.37421.76921.7692
H72.44421.08993.37423.37424.15181.76921.7692
H82.44421.08993.37424.15183.37421.76921.7692

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.417 Si1 C2 H7 110.417
Si1 C2 H8 110.417 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 108.509
H6 C2 H8 108.509 H7 C2 H8 108.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.907      
2 C -0.970      
3 Cl -0.249      
4 Cl -0.249      
5 Cl -0.249      
6 H 0.270      
7 H 0.270      
8 H 0.270      


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 2.397 2.397
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.292 0.000 0.000
y 0.000 -60.292 0.000
z 0.000 0.000 -55.026
Traceless
 xyz
x -2.633 0.000 0.000
y 0.000 -2.633 0.000
z 0.000 0.000 5.266
Polar
3z2-r210.532
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 9.583 0.000 0.000
y 0.000 9.585 0.000
z 0.000 0.000 8.527


<r2> (average value of r2) Å2
<r2> 282.358
(<r2>)1/2 16.803