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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-1707.820964
Energy at 298.15K-1707.824339
HF Energy-1707.155489
Nuclear repulsion energy438.232036
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 CCD/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 3125 2930 0.00      
2 A1 1377 1291 21.44      
3 A1 775 727 80.51      
4 A1 463 434 20.81      
5 A1 240 225 16.04      
6 A2 183 172 0.00      
7 E 3225 3024 2.00      
7 E 3225 3024 2.00      
8 E 1509 1415 2.95      
8 E 1509 1415 2.95      
9 E 867 813 92.26      
9 E 867 813 92.26      
10 E 609 571 159.39      
10 E 609 571 159.39      
11 E 225 211 5.36      
11 E 225 211 5.36      
12 E 159 149 0.58      
12 E 159 149 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 9675.1 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 9071.4 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 CCD/6-31G**
ABC
0.05809 0.05809 0.04327

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.249
C2 0.000 0.000 2.104
Cl3 0.000 1.919 -0.462
Cl4 1.662 -0.960 -0.462
Cl5 -1.662 -0.960 -0.462
H6 0.000 -1.022 2.482
H7 0.885 0.511 2.482
H8 -0.885 0.511 2.482

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85532.04682.04682.04682.45582.45582.4558
C21.85533.20473.20473.20471.08951.08951.0895
Cl32.04683.20473.32433.32434.16163.38163.3816
Cl42.04683.20473.32433.32433.38163.38164.1616
Cl52.04683.20473.32433.32433.38164.16163.3816
H62.45581.08954.16163.38163.38161.76991.7699
H72.45581.08953.38163.38164.16161.76991.7699
H82.45581.08953.38164.16163.38161.76991.7699

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.292 Si1 C2 H7 110.292
Si1 C2 H8 110.292 C2 Si1 Cl3 110.331
C2 Si1 Cl4 110.331 C2 Si1 Cl5 110.331
Cl3 Si1 Cl4 108.598 Cl3 Si1 Cl5 108.598
Cl4 Si1 Cl5 108.598 H6 C2 H7 108.638
H6 C2 H8 108.638 H7 C2 H8 108.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability