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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-1707.745504
Energy at 298.15K-1707.748887
HF Energy-1707.149984
Nuclear repulsion energy438.634767
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 MP2/6-31G*
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 3109 2932 0.78      
2 A1 1377 1299 31.55      
3 A1 780 735 80.20      
4 A1 463 436 21.39      
5 A1 240 226 15.49      
6 A2 198 187 0.00      
7 E 3212 3029 0.25      
7 E 3212 3029 0.25      
8 E 1511 1425 4.87      
8 E 1511 1425 4.87      
9 E 875 825 98.89      
9 E 875 825 98.89      
10 E 608 573 161.81      
10 E 608 573 161.81      
11 E 225 212 4.73      
11 E 225 212 4.73      
12 E 159 150 0.65      
12 E 159 150 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 9672.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 9121.5 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 MP2/6-31G*
ABC
0.05820 0.05820 0.04338

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.251
C2 0.000 0.000 2.103
Cl3 0.000 1.917 -0.462
Cl4 1.660 -0.958 -0.462
Cl5 -1.660 -0.958 -0.462
H6 0.000 -1.026 2.481
H7 0.889 0.513 2.481
H8 -0.889 0.513 2.481

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85222.04502.04502.04502.45522.45522.4552
C21.85223.20223.20223.20221.09361.09361.0936
Cl32.04503.20223.31973.31974.16233.38003.3800
Cl42.04503.20223.31973.31973.38003.38004.1623
Cl52.04503.20223.31973.31973.38004.16233.3800
H62.45521.09364.16233.38003.38001.77731.7773
H72.45521.09363.38003.38004.16231.77731.7773
H82.45521.09363.38004.16233.38001.77731.7773

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.237 Si1 C2 H7 110.237
Si1 C2 H8 110.237 C2 Si1 Cl3 110.409
C2 Si1 Cl4 110.409 C2 Si1 Cl5 110.409
Cl3 Si1 Cl4 108.517 Cl3 Si1 Cl5 108.517
Cl4 Si1 Cl5 108.517 H6 C2 H7 108.695
H6 C2 H8 108.695 H7 C2 H8 108.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability