return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: QCISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1707.934861
Energy at 298.15K-1707.938233
HF Energy-1707.248811
Nuclear repulsion energy439.302832
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/6-311G*
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 3047 2917 0.16      
2 A1 1366 1307 36.51      
3 A1 781 748 77.71      
4 A1 458 438 22.80      
5 A1 243 232 15.88      
6 A2 177 170 0.00      
7 E 3135 3001 1.63      
7 E 3135 3001 1.64      
8 E 1482 1419 6.28      
8 E 1482 1419 6.28      
9 E 860 824 92.46      
9 E 860 824 92.47      
10 E 596 570 164.73      
10 E 596 570 164.72      
11 E 227 217 5.46      
11 E 227 217 5.46      
12 E 164 157 0.29      
12 E 164 157 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 9499.2 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 9094.6 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/6-311G*
ABC
0.05838 0.05838 0.04355

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

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 2.098
Cl3 0.000 1.913 -0.462
Cl4 1.657 -0.957 -0.462
Cl5 -1.657 -0.957 -0.462
H6 0.000 -1.026 2.483
H7 0.888 0.513 2.483
H8 -0.888 0.513 2.483

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84552.04232.04232.04232.45512.45512.4551
C21.84553.19633.19633.19631.09541.09541.0954
Cl32.04233.19633.31353.31354.16083.38033.3803
Cl42.04233.19633.31353.31353.38033.38034.1608
Cl52.04233.19633.31353.31353.38034.16083.3803
H62.45511.09544.16083.38033.38031.77621.7762
H72.45511.09543.38033.38034.16081.77621.7762
H82.45511.09543.38034.16083.38031.77621.7762

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.583 Si1 C2 H7 110.583
Si1 C2 H8 110.583 C2 Si1 Cl3 110.494
C2 Si1 Cl4 110.494 C2 Si1 Cl5 110.494
Cl3 Si1 Cl4 108.429 Cl3 Si1 Cl5 108.429
Cl4 Si1 Cl5 108.429 H6 C2 H7 108.337
H6 C2 H8 108.337 H7 C2 H8 108.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability