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: CCSD=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-1707.950094
Energy at 298.15K-1707.953337
HF Energy-1707.233279
Nuclear repulsion energy434.319684
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 CCSD=FULL/cc-pVDZ
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 3075 3075 0.39      
2 A1 1303 1303 15.19      
3 A1 768 768 80.09      
4 A1 449 449 20.42      
5 A1 231 231 13.93      
6 A2 167 167 0.00      
7 E 3178 3178 1.24      
7 E 3178 3178 1.24      
8 E 1451 1451 2.65      
8 E 1451 1451 2.65      
9 E 824 824 84.99      
9 E 824 824 84.98      
10 E 590 590 150.71      
10 E 590 590 150.72      
11 E 215 215 4.80      
11 E 215 215 4.80      
12 E 154 154 0.48      
12 E 154 154 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 9407.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9407.6 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 CCSD=FULL/cc-pVDZ
ABC
0.05710 0.05710 0.04247

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.258
C2 0.000 0.000 2.117
Cl3 0.000 1.937 -0.467
Cl4 1.678 -0.969 -0.467
Cl5 -1.678 -0.969 -0.467
H6 0.000 -1.037 2.494
H7 0.898 0.518 2.494
H8 -0.898 0.518 2.494

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85962.06802.06802.06802.46542.46542.4654
C21.85963.22923.22923.22921.10331.10331.1033
Cl32.06803.22923.35513.35514.19653.40383.4038
Cl42.06803.22923.35513.35513.40383.40384.1965
Cl52.06803.22923.35513.35513.40384.19653.4038
H62.46541.10334.19653.40383.40381.79581.7958
H72.46541.10333.40383.40384.19651.79581.7958
H82.46541.10333.40384.19653.40381.79581.7958

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.990 Si1 C2 H7 109.990
Si1 C2 H8 109.990 C2 Si1 Cl3 110.496
C2 Si1 Cl4 110.496 C2 Si1 Cl5 110.496
Cl3 Si1 Cl4 108.427 Cl3 Si1 Cl5 108.427
Cl4 Si1 Cl5 108.427 H6 C2 H7 108.947
H6 C2 H8 108.947 H7 C2 H8 108.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability