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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-1707.975547
Energy at 298.15K-1707.978872
HF Energy-1707.261192
Nuclear repulsion energy436.323684
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/TZVP
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 3076 2939 0.54      
2 A1 1342 1282 20.70      
3 A1 769 735 74.82      
4 A1 454 433 21.75      
5 A1 237 226 14.36      
6 A2 178 170 0.00      
7 E 3171 3029 2.60      
7 E 3171 3029 2.60      
8 E 1472 1406 3.94      
8 E 1472 1406 3.94      
9 E 843 806 77.45      
9 E 843 806 77.45      
10 E 591 564 157.95      
10 E 591 564 157.95      
11 E 221 211 4.93      
11 E 221 211 4.93      
12 E 159 152 0.40      
12 E 159 152 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 9484.3 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9060.4 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/TZVP
ABC
0.05762 0.05762 0.04283

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

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 2.109
Cl3 0.000 1.929 -0.464
Cl4 1.671 -0.965 -0.464
Cl5 -1.671 -0.965 -0.464
H6 0.000 -1.025 2.482
H7 0.888 0.513 2.482
H8 -0.888 0.513 2.482

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85522.05802.05802.05802.45282.45282.4528
C21.85523.21513.21513.21511.09091.09091.0909
Cl32.05803.21513.34133.34134.17153.38663.3866
Cl42.05803.21513.34133.34133.38663.38664.1715
Cl52.05803.21513.34133.34133.38664.17153.3866
H62.45281.09094.17153.38663.38661.77541.7754
H72.45281.09093.38663.38664.17151.77541.7754
H82.45281.09093.38664.17153.38661.77541.7754

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.003 Si1 C2 H7 110.003
Si1 C2 H8 110.003 C2 Si1 Cl3 110.386
C2 Si1 Cl4 110.386 C2 Si1 Cl5 110.386
Cl3 Si1 Cl4 108.541 Cl3 Si1 Cl5 108.541
Cl4 Si1 Cl5 108.541 H6 C2 H7 108.934
H6 C2 H8 108.934 H7 C2 H8 108.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability