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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1708.314049
Energy at 298.15K-1708.305899
HF Energy-1707.150007
Nuclear repulsion energy438.181505
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 CBS-Q
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 3190 3190 0.28      
2 A1 1455 1455 24.42      
3 A1 789 789 85.86      
4 A1 473 473 26.19      
5 A1 250 250 19.54      
6 A2 185 185 0.00      
7 E 3278 3278 2.71      
7 E 3278 3278 2.71      
8 E 1584 1584 3.82      
8 E 1584 1584 3.82      
9 E 904 904 96.88      
9 E 904 904 96.88      
10 E 616 616 190.83      
10 E 616 616 190.83      
11 E 235 235 6.46      
11 E 235 235 6.46      
12 E 167 167 0.74      
12 E 167 167 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9955.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9955.2 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 CBS-Q
ABC
0.05821 0.05821 0.04340

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.254
C2 0.000 0.000 2.111
Cl3 0.000 1.917 -0.464
Cl4 1.660 -0.959 -0.464
Cl5 -1.660 -0.959 -0.464
H6 0.000 -1.020 2.491
H7 0.883 0.510 2.491
H8 -0.883 0.510 2.491

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85762.04722.04722.04722.45852.45852.4585
C21.85763.21083.21083.21081.08801.08801.0880
Cl32.04723.21083.32063.32064.16623.39013.3901
Cl42.04723.21083.32063.32063.39013.39014.1662
Cl52.04723.21083.32063.32063.39014.16623.3901
H62.45851.08804.16623.39013.39011.76621.7662
H72.45851.08803.39013.39014.16621.76621.7662
H82.45851.08803.39014.16623.39011.76621.7662

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.411 Si1 C2 H7 110.411
Si1 C2 H8 110.411 C2 Si1 Cl3 110.533
C2 Si1 Cl4 110.533 C2 Si1 Cl5 110.533
Cl3 Si1 Cl4 108.389 Cl3 Si1 Cl5 108.389
Cl4 Si1 Cl5 108.389 H6 C2 H7 108.516
H6 C2 H8 108.516 H7 C2 H8 108.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability