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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: QCISD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1708.053005
Energy at 298.15K-1708.056287
HF Energy-1707.186132
Nuclear repulsion energy438.445058
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/6-31G(2df,p)
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 3088 2926 0.33      
2 A1 1332 1262 19.44      
3 A1 772 731 70.45      
4 A1 457 433 18.60      
5 A1 235 223 11.18      
6 A2 169 160 0.00      
7 E 3184 3016 0.55      
7 E 3184 3016 0.55      
8 E 1479 1401 2.22      
8 E 1479 1401 2.22      
9 E 832 788 87.48      
9 E 832 788 87.48      
10 E 595 563 144.30      
10 E 595 563 144.30      
11 E 219 208 3.36      
11 E 219 208 3.36      
12 E 155 147 0.58      
12 E 155 147 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 9490.6 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 8991.4 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/6-31G(2df,p)
ABC
0.05814 0.05814 0.04338

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.256
C2 0.000 0.000 2.104
Cl3 0.000 1.917 -0.464
Cl4 1.660 -0.958 -0.464
Cl5 -1.660 -0.958 -0.464
H6 0.000 -1.026 2.481
H7 0.888 0.513 2.481
H8 -0.888 0.513 2.481

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84792.04762.04762.04762.44932.44932.4493
C21.84793.20473.20473.20471.09251.09251.0925
Cl32.04763.20473.31983.31984.16273.38093.3809
Cl42.04763.20473.31983.31983.38093.38094.1627
Cl52.04763.20473.31983.31983.38094.16273.3809
H62.44931.09254.16273.38093.38091.77641.7764
H72.44931.09253.38093.38094.16271.77641.7764
H82.44931.09253.38094.16273.38091.77641.7764

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.148 Si1 C2 H7 110.148
Si1 C2 H8 110.148 C2 Si1 Cl3 110.599
C2 Si1 Cl4 110.599 C2 Si1 Cl5 110.599
Cl3 Si1 Cl4 108.320 Cl3 Si1 Cl5 108.320
Cl4 Si1 Cl5 108.320 H6 C2 H7 108.786
H6 C2 H8 108.786 H7 C2 H8 108.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability