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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-1707.974692
Energy at 298.15K-1707.978023
HF Energy-1707.261199
Nuclear repulsion energy436.442768
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 CCSD/TZVP
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 3079 2939 0.47      
2 A1 1343 1282 21.06      
3 A1 770 735 75.04      
4 A1 454 434 21.92      
5 A1 237 226 14.47      
6 A2 178 170 0.00      
7 E 3174 3029 2.44      
7 E 3174 3029 2.44      
8 E 1472 1405 4.00      
8 E 1472 1405 4.00      
9 E 844 806 77.94      
9 E 844 806 77.94      
10 E 592 565 158.52      
10 E 592 565 158.52      
11 E 221 211 4.95      
11 E 221 211 4.95      
12 E 159 152 0.40      
12 E 159 152 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 9492.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9059.7 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 CCSD/TZVP
ABC
0.05765 0.05765 0.04286

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.253
C2 0.000 0.000 2.108
Cl3 0.000 1.929 -0.463
Cl4 1.670 -0.964 -0.463
Cl5 -1.670 -0.964 -0.463
H6 0.000 -1.025 2.481
H7 0.888 0.512 2.481
H8 -0.888 0.512 2.481

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85482.05742.05742.05742.45232.45232.4523
C21.85483.21443.21443.21441.09061.09061.0906
Cl32.05743.21443.34033.34034.17053.38583.3858
Cl42.05743.21443.34033.34033.38583.38584.1705
Cl52.05743.21443.34033.34033.38584.17053.3858
H62.45231.09064.17053.38583.38581.77511.7751
H72.45231.09063.38583.38584.17051.77511.7751
H82.45231.09063.38584.17053.38581.77511.7751

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.002 Si1 C2 H7 110.002
Si1 C2 H8 110.002 C2 Si1 Cl3 110.389
C2 Si1 Cl4 110.389 C2 Si1 Cl5 110.389
Cl3 Si1 Cl4 108.538 Cl3 Si1 Cl5 108.538
Cl4 Si1 Cl5 108.538 H6 C2 H7 108.935
H6 C2 H8 108.935 H7 C2 H8 108.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability