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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: CCSD(T)/aug-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(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-1708.006697
Energy at 298.15K-1708.009870
HF Energy-1707.244998
Nuclear repulsion energy431.658113
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(T)/aug-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 3027 2913        
2 A1 1283 1234        
3 A1 751 723        
4 A1 433 416        
5 A1 222 214        
6 A2 188 181        
7 E 3127 3009        
7 E 3127 3009        
8 E 1432 1379        
8 E 1431 1378        
9 E 825 794        
9 E 824 793        
10 E 565 544        
10 E 565 544        
11 E 207 199        
11 E 207 199        
12 E 146 141        
12 E 146 141        

Unscaled Zero Point Vibrational Energy (zpe) 9252.7 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 8905.7 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(T)/aug-cc-pVDZ
ABC
0.05639 0.05639 0.04199

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.266
C2 0.000 0.000 2.132
Cl3 0.000 1.948 -0.471
Cl4 1.687 -0.974 -0.471
Cl5 -1.687 -0.974 -0.471
H6 0.000 -1.039 2.506
H7 0.900 0.520 2.506
H8 -0.900 0.520 2.506

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86572.08302.08302.08302.46922.46922.4692
C21.86573.25123.25123.25121.10471.10471.1047
Cl32.08303.25123.37443.37444.21763.42243.4224
Cl42.08303.25123.37443.37443.42243.42244.2176
Cl52.08303.25123.37443.37443.42244.21763.4224
H62.46921.10474.21763.42243.42241.80051.8005
H72.46921.10473.42243.42244.21761.80051.8005
H82.46921.10473.42244.21763.42241.80051.8005

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.791 Si1 C2 H7 109.791
Si1 C2 H8 109.791 C2 Si1 Cl3 110.727
C2 Si1 Cl4 110.727 C2 Si1 Cl5 110.727
Cl3 Si1 Cl4 108.186 Cl3 Si1 Cl5 108.186
Cl4 Si1 Cl5 108.186 H6 C2 H7 109.150
H6 C2 H8 109.150 H7 C2 H8 109.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability