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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-1707.800560
Energy at 298.15K-1707.803903
HF Energy-1707.149897
Nuclear repulsion energy437.718263
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/6-31G*
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 3074 2927 0.00      
2 A1 1377 1311 27.16      
3 A1 774 737 77.92      
4 A1 460 438 20.66      
5 A1 239 228 15.69      
6 A2 181 172 0.00      
7 E 3164 3013 1.90      
7 E 3164 3013 1.90      
8 E 1501 1429 4.50      
8 E 1501 1429 4.50      
9 E 872 830 94.90      
9 E 872 830 94.90      
10 E 606 577 157.30      
10 E 606 577 157.30      
11 E 224 214 4.95      
11 E 224 214 4.95      
12 E 158 151 0.65      
12 E 158 151 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 9577.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9120.4 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 QCISD/6-31G*
ABC
0.05796 0.05796 0.04321

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.251
C2 0.000 0.000 2.108
Cl3 0.000 1.921 -0.463
Cl4 1.663 -0.960 -0.463
Cl5 -1.663 -0.960 -0.463
H6 0.000 -1.028 2.490
H7 0.890 0.514 2.490
H8 -0.890 0.514 2.490

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85692.04892.04892.04892.46362.46362.4636
C21.85693.20893.20893.20891.09641.09641.0964
Cl32.04893.20893.32653.32654.17273.38973.3897
Cl42.04893.20893.32653.32653.38973.38974.1727
Cl52.04893.20893.32653.32653.38974.17273.3897
H62.46361.09644.17273.38973.38971.77991.7799
H72.46361.09643.38973.38974.17271.77991.7799
H82.46361.09643.38974.17273.38971.77991.7799

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.397 Si1 C2 H7 110.397
Si1 C2 H8 110.397 C2 Si1 Cl3 110.389
C2 Si1 Cl4 110.389 C2 Si1 Cl5 110.389
Cl3 Si1 Cl4 108.539 Cl3 Si1 Cl5 108.539
Cl4 Si1 Cl5 108.539 H6 C2 H7 108.530
H6 C2 H8 108.530 H7 C2 H8 108.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability