return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CCD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1699.900389
Energy at 298.15K-1699.903843
HF Energy-1699.285713
Nuclear repulsion energy440.240319
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/3-21G*
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 3021 2889 0.00      
2 A1 1409 1348 33.32      
3 A1 788 753 83.59      
4 A1 472 452 20.57      
5 A1 244 234 16.98      
6 A2 180 172 0.00      
7 E 3099 2964 2.45      
7 E 3099 2964 2.45      
8 E 1530 1463 4.85      
8 E 1530 1463 4.85      
9 E 896 857 100.15      
9 E 896 857 100.15      
10 E 622 595 157.07      
10 E 622 595 157.07      
11 E 228 218 5.38      
11 E 228 218 5.38      
12 E 167 160 0.76      
12 E 167 160 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 9598.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 9181.1 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 CCD/3-21G*
ABC
0.05860 0.05860 0.04380

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.245
C2 0.000 0.000 2.103
Cl3 0.000 1.907 -0.461
Cl4 1.652 -0.954 -0.461
Cl5 -1.652 -0.954 -0.461
H6 0.000 -1.032 2.487
H7 0.893 0.516 2.487
H8 -0.893 0.516 2.487

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85822.03382.03382.03382.46822.46822.4682
C21.85823.19583.19583.19581.10081.10081.1008
Cl32.03383.19583.30363.30364.16293.38043.3804
Cl42.03383.19583.30363.30363.38043.38044.1629
Cl52.03383.19583.30363.30363.38044.16293.3804
H62.46821.10084.16293.38043.38041.78681.7868
H72.46821.10083.38043.38044.16291.78681.7868
H82.46821.10083.38044.16293.38041.78681.7868

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.419 Si1 C2 H7 110.419
Si1 C2 H8 110.419 C2 Si1 Cl3 110.314
C2 Si1 Cl4 110.314 C2 Si1 Cl5 110.314
Cl3 Si1 Cl4 108.616 Cl3 Si1 Cl5 108.616
Cl4 Si1 Cl5 108.616 H6 C2 H7 108.507
H6 C2 H8 108.507 H7 C2 H8 108.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability