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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: QCISD(T)/aug-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(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-1708.007185
Energy at 298.15K-1708.010354
HF Energy-1707.244980
Nuclear repulsion energy431.580410
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(T)/aug-cc-pVDZ
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 3026 2959        
2 A1 1282 1254        
3 A1 751 734        
4 A1 432 422        
5 A1 222 217        
6 A2 187 183        
7 E 3126 3057        
7 E 3126 3057        
8 E 1432 1400        
8 E 1431 1400        
9 E 824 806        
9 E 824 806        
10 E 564 552        
10 E 564 552        
11 E 207 202        
11 E 207 202        
12 E 146 143        
12 E 146 143        

Unscaled Zero Point Vibrational Energy (zpe) 9249.1 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 9043.8 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(T)/aug-cc-pVDZ
ABC
0.05637 0.05637 0.04198

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.266
C2 0.000 0.000 2.132
Cl3 0.000 1.949 -0.471
Cl4 1.688 -0.974 -0.471
Cl5 -1.688 -0.974 -0.471
H6 0.000 -1.040 2.506
H7 0.900 0.520 2.506
H8 -0.900 0.520 2.506

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86582.08342.08342.08342.46942.46942.4694
C21.86583.25173.25173.25171.10481.10481.1048
Cl32.08343.25173.37513.37514.21823.42293.4229
Cl42.08343.25173.37513.37513.42293.42294.2182
Cl52.08343.25173.37513.37513.42294.21823.4229
H62.46941.10484.21823.42293.42291.80051.8005
H72.46941.10483.42293.42294.21821.80051.8005
H82.46941.10483.42294.21823.42291.80051.8005

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.791 Si1 C2 H7 109.791
Si1 C2 H8 109.791 C2 Si1 Cl3 110.726
C2 Si1 Cl4 110.726 C2 Si1 Cl5 110.726
Cl3 Si1 Cl4 108.187 Cl3 Si1 Cl5 108.187
Cl4 Si1 Cl5 108.187 H6 C2 H7 109.150
H6 C2 H8 109.150 H7 C2 H8 109.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability