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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-1707.957996
Energy at 298.15K-1707.961375
HF Energy-1707.253922
Nuclear repulsion energy439.473579
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 QCISD/6-311G**
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 3064 2923 0.13      
2 A1 1342 1281 26.71      
3 A1 779 744 78.96      
4 A1 458 437 22.30      
5 A1 242 231 16.05      
6 A2 187 178 0.00      
7 E 3154 3009 1.77      
7 E 3154 3009 1.77      
8 E 1466 1398 3.77      
8 E 1466 1398 3.77      
9 E 840 802 87.46      
9 E 840 802 87.47      
10 E 597 569 163.27      
10 E 597 569 163.26      
11 E 225 215 5.81      
11 E 225 215 5.82      
12 E 162 155 0.18      
12 E 162 155 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 9479.0 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 9044.0 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 QCISD/6-311G**
ABC
0.05846 0.05846 0.04352

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

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 2.095
Cl3 0.000 1.914 -0.461
Cl4 1.657 -0.957 -0.461
Cl5 -1.657 -0.957 -0.461
H6 0.000 -1.027 2.474
H7 0.890 0.514 2.474
H8 -0.890 0.514 2.474

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84542.04142.04142.04142.44992.44992.4499
C21.84543.19313.19313.19311.09491.09491.0949
Cl32.04143.19313.31463.31464.15483.37113.3711
Cl42.04143.19313.31463.31463.37113.37114.1548
Cl52.04143.19313.31463.31463.37114.15483.3711
H62.44991.09494.15483.37113.37111.77941.7794
H72.44991.09493.37113.37114.15481.77941.7794
H82.44991.09493.37114.15483.37111.77941.7794

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.234 Si1 C2 H7 110.234
Si1 C2 H8 110.234 C2 Si1 Cl3 110.375
C2 Si1 Cl4 110.375 C2 Si1 Cl5 110.375
Cl3 Si1 Cl4 108.553 Cl3 Si1 Cl5 108.553
Cl4 Si1 Cl5 108.553 H6 C2 H7 108.698
H6 C2 H8 108.698 H7 C2 H8 108.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability