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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-1707.815590
Energy at 298.15K-1707.818905
HF Energy-1707.149836
Nuclear repulsion energy437.294217
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 MP4/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3065 2926        
2 A1 1367 1305        
3 A1 769 735        
4 A1 456 436        
5 A1 237 227        
6 A2 179 171        
7 E 3159 3017        
7 E 3159 3016        
8 E 1496 1428        
8 E 1495 1428        
9 E 868 828        
9 E 868 828        
10 E 602 575        
10 E 602 575        
11 E 223 212        
11 E 222 212        
12 E 157 150        
12 E 157 150        

Unscaled Zero Point Vibrational Energy (zpe) 9540.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9109.1 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 MP4/6-31G*
ABC
0.05785 0.05785 0.04311

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.250
C2 0.000 0.000 2.109
Cl3 0.000 1.923 -0.463
Cl4 1.665 -0.961 -0.463
Cl5 -1.665 -0.961 -0.463
H6 0.000 -1.029 2.491
H7 0.891 0.514 2.491
H8 -0.891 0.514 2.491

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85862.05092.05092.05092.46542.46542.4654
C21.85863.21143.21143.21141.09731.09731.0973
Cl32.05093.21143.33033.33034.17583.39173.3917
Cl42.05093.21143.33033.33033.39173.39174.1758
Cl52.05093.21143.33033.33033.39174.17583.3917
H62.46541.09734.17583.39173.39171.78181.7818
H72.46541.09733.39173.39174.17581.78181.7818
H82.46541.09733.39174.17583.39171.78181.7818

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.368 Si1 C2 H7 110.368
Si1 C2 H8 110.368 C2 Si1 Cl3 110.361
C2 Si1 Cl4 110.361 C2 Si1 Cl5 110.361
Cl3 Si1 Cl4 108.567 Cl3 Si1 Cl5 108.567
Cl4 Si1 Cl5 108.567 H6 C2 H7 108.560
H6 C2 H8 108.560 H7 C2 H8 108.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability