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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1707.925012
Energy at 298.15K-1707.928236
HF Energy-1707.233173
Nuclear repulsion energy433.663412
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/cc-pVDZ
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 3067 2943 0.52      
2 A1 1301 1248 14.08      
3 A1 762 731 79.75      
4 A1 447 429 20.16      
5 A1 229 220 13.84      
6 A2 165 159 0.00      
7 E 3169 3041 1.42      
7 E 3169 3041 1.42      
8 E 1449 1390 2.55      
8 E 1449 1390 2.55      
9 E 824 790 83.47      
9 E 824 790 83.46      
10 E 588 564 150.55      
10 E 588 564 150.55      
11 E 214 205 4.78      
11 E 214 205 4.78      
12 E 152 146 0.48      
12 E 152 146 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 9382.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9001.6 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/cc-pVDZ
ABC
0.05693 0.05693 0.04235

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.258
C2 0.000 0.000 2.121
Cl3 0.000 1.940 -0.467
Cl4 1.680 -0.970 -0.467
Cl5 -1.680 -0.970 -0.467
H6 0.000 -1.038 2.498
H7 0.899 0.519 2.498
H8 -0.899 0.519 2.498

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86292.07112.07112.07112.46902.46902.4690
C21.86293.23473.23473.23471.10441.10441.1044
Cl32.07113.23473.36003.36004.20273.40923.4092
Cl42.07113.23473.36003.36003.40923.40924.2027
Cl52.07113.23473.36003.36003.40924.20273.4092
H62.46901.10444.20273.40923.40921.79771.7977
H72.46901.10443.40923.40924.20271.79771.7977
H82.46901.10443.40924.20273.40921.79771.7977

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.980 Si1 C2 H7 109.980
Si1 C2 H8 109.980 C2 Si1 Cl3 110.506
C2 Si1 Cl4 110.506 C2 Si1 Cl5 110.506
Cl3 Si1 Cl4 108.417 Cl3 Si1 Cl5 108.417
Cl4 Si1 Cl5 108.417 H6 C2 H7 108.958
H6 C2 H8 108.958 H7 C2 H8 108.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability