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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-1707.270385
Energy at 298.15K-1707.273419
HF Energy-1707.001893
Nuclear repulsion energy415.465567
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 CISD/6-31G
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 3100 2908 0.00      
2 A1 1429 1340 15.71      
3 A1 747 701 57.96      
4 A1 394 370 22.79      
5 A1 205 192 24.63      
6 A2 171 161 0.00      
7 E 3198 2999 0.08      
7 E 3198 2999 0.08      
8 E 1524 1429 9.26      
8 E 1524 1429 9.26      
9 E 946 888 86.41      
9 E 946 888 86.40      
10 E 530 497 134.25      
10 E 530 497 134.25      
11 E 201 188 8.06      
11 E 201 188 8.06      
12 E 137 129 1.28      
12 E 137 129 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 9558.9 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 8964.3 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 CISD/6-31G
ABC
0.05231 0.05231 0.03846

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.286
C2 0.000 0.000 2.180
Cl3 0.000 2.037 -0.485
Cl4 1.764 -1.018 -0.485
Cl5 -1.764 -1.018 -0.485
H6 0.000 -1.030 2.552
H7 0.892 0.515 2.552
H8 -0.892 0.515 2.552

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.89472.17742.17742.17742.48942.48942.4894
C21.89473.35433.35433.35431.09491.09491.0949
Cl32.17743.35433.52743.52744.31583.51203.5120
Cl42.17743.35433.52743.52743.51203.51204.3158
Cl52.17743.35433.52743.52743.51204.31583.5120
H62.48941.09494.31583.51203.51201.78371.7837
H72.48941.09493.51203.51204.31581.78371.7837
H82.48941.09493.51204.31583.51201.78371.7837

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.848 Si1 C2 H7 109.848
Si1 C2 H8 109.848 C2 Si1 Cl3 110.726
C2 Si1 Cl4 110.726 C2 Si1 Cl5 110.726
Cl3 Si1 Cl4 108.188 Cl3 Si1 Cl5 108.188
Cl4 Si1 Cl5 108.188 H6 C2 H7 109.092
H6 C2 H8 109.092 H7 C2 H8 109.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability