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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1707.830618
Energy at 298.15K-1707.833991
HF Energy-1707.157239
Nuclear repulsion energy438.441208
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/6-31+G**
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 3114 2934 0.46      
2 A1 1369 1290 22.72      
3 A1 775 730 76.27      
4 A1 461 434 20.86      
5 A1 238 224 15.52      
6 A2 193 182 0.00      
7 E 3213 3028 2.17      
7 E 3213 3028 2.17      
8 E 1497 1411 4.08      
8 E 1497 1411 4.08      
9 E 859 810 84.06      
9 E 859 810 84.06      
10 E 603 569 162.08      
10 E 603 569 162.08      
11 E 223 210 5.65      
11 E 223 210 5.65      
12 E 159 150 0.55      
12 E 159 150 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 9628.7 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9073.1 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/6-31+G**
ABC
0.05815 0.05815 0.04331

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.249
C2 0.000 0.000 2.103
Cl3 0.000 1.918 -0.462
Cl4 1.661 -0.959 -0.462
Cl5 -1.661 -0.959 -0.462
H6 0.000 -1.022 2.482
H7 0.885 0.511 2.482
H8 -0.885 0.511 2.482

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85392.04572.04572.04572.45612.45612.4561
C21.85393.20263.20263.20261.09041.09041.0904
Cl32.04573.20263.32283.32284.16093.38083.3808
Cl42.04573.20263.32283.32283.38083.38084.1609
Cl52.04573.20263.32283.32283.38084.16093.3808
H62.45611.09044.16093.38083.38081.77071.7707
H72.45611.09043.38083.38084.16091.77071.7707
H82.45611.09043.38084.16093.38081.77071.7707

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.358 Si1 C2 H7 110.358
Si1 C2 H8 110.358 C2 Si1 Cl3 110.323
C2 Si1 Cl4 110.323 C2 Si1 Cl5 110.323
Cl3 Si1 Cl4 108.606 Cl3 Si1 Cl5 108.606
Cl4 Si1 Cl5 108.606 H6 C2 H7 108.570
H6 C2 H8 108.570 H7 C2 H8 108.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability