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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-1707.861427
Energy at 298.15K-1707.864748
HF Energy-1707.149852
Nuclear repulsion energy437.774382
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(T)=FULL/6-31G*
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 3060 2970        
2 A1 1369 1329        
3 A1 772 749        
4 A1 457 444        
5 A1 238 231        
6 A2 179 173        
7 E 3151 3059        
7 E 3151 3059        
8 E 1494 1450        
8 E 1493 1450        
9 E 867 842        
9 E 867 842        
10 E 603 585        
10 E 603 585        
11 E 223 217        
11 E 223 217        
12 E 157 153        
12 E 157 152        

Unscaled Zero Point Vibrational Energy (zpe) 9532.0 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 9252.7 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(T)=FULL/6-31G*
ABC
0.05798 0.05798 0.04320

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.250
C2 0.000 0.000 2.106
Cl3 0.000 1.921 -0.463
Cl4 1.663 -0.960 -0.463
Cl5 -1.663 -0.960 -0.463
H6 0.000 -1.029 2.488
H7 0.891 0.514 2.488
H8 -0.891 0.514 2.488

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85592.04872.04872.04872.46282.46282.4628
C21.85593.20743.20743.20741.09731.09731.0973
Cl32.04873.20743.32673.32674.17193.38783.3878
Cl42.04873.20743.32673.32673.38783.38784.1719
Cl52.04873.20743.32673.32673.38784.17193.3878
H62.46281.09734.17193.38783.38781.78181.7818
H72.46281.09733.38783.38784.17191.78181.7818
H82.46281.09733.38784.17193.38781.78181.7818

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.363 Si1 C2 H7 110.363
Si1 C2 H8 110.363 C2 Si1 Cl3 110.362
C2 Si1 Cl4 110.362 C2 Si1 Cl5 110.362
Cl3 Si1 Cl4 108.566 Cl3 Si1 Cl5 108.566
Cl4 Si1 Cl5 108.566 H6 C2 H7 108.565
H6 C2 H8 108.565 H7 C2 H8 108.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability