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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CCD/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 CCD/6-31G(2df,p)
 hartrees
Energy at 0K-1708.049292
Energy at 298.15K-1708.052589
HF Energy-1707.186156
Nuclear repulsion energy438.727305
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 CCD/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 3099 2936 0.59      
2 A1 1335 1265 20.79      
3 A1 774 733 71.40      
4 A1 459 435 18.99      
5 A1 236 224 11.43      
6 A2 170 161 0.00      
7 E 3198 3029 0.24      
7 E 3198 3029 0.24      
8 E 1482 1404 2.36      
8 E 1482 1404 2.36      
9 E 834 790 89.30      
9 E 834 790 89.30      
10 E 596 565 146.44      
10 E 596 565 146.43      
11 E 220 209 3.42      
11 E 220 209 3.42      
12 E 156 148 0.58      
12 E 156 148 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 9523.2 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9020.4 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 CCD/6-31G(2df,p)
ABC
0.05821 0.05821 0.04345

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 2.103
Cl3 0.000 1.915 -0.464
Cl4 1.659 -0.958 -0.464
Cl5 -1.659 -0.958 -0.464
H6 0.000 -1.025 2.479
H7 0.888 0.512 2.479
H8 -0.888 0.512 2.479

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84702.04622.04622.04622.44792.44792.4479
C21.84703.20293.20293.20291.09171.09171.0917
Cl32.04623.20293.31743.31744.16023.37913.3791
Cl42.04623.20293.31743.31743.37913.37914.1602
Cl52.04623.20293.31743.31743.37914.16023.3791
H62.44791.09174.16023.37913.37911.77531.7753
H72.44791.09173.37913.37914.16021.77531.7753
H82.44791.09173.37914.16023.37911.77531.7753

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.144 Si1 C2 H7 110.144
Si1 C2 H8 110.144 C2 Si1 Cl3 110.606
C2 Si1 Cl4 110.606 C2 Si1 Cl5 110.606
Cl3 Si1 Cl4 108.313 Cl3 Si1 Cl5 108.313
Cl4 Si1 Cl5 108.313 H6 C2 H7 108.790
H6 C2 H8 108.790 H7 C2 H8 108.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability