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: MP2=FULL/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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1707.967293
Energy at 298.15K-1707.970541
HF Energy-1707.245498
Nuclear repulsion energy434.058913
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 MP2=FULL/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 3073 2979 0.10      
2 A1 1281 1241 20.79      
3 A1 772 749 62.70      
4 A1 443 429 18.43      
5 A1 226 219 11.60      
6 A2 202 196 0.00      
7 E 3186 3088 0.23      
7 E 3186 3088 0.23      
8 E 1438 1394 2.83      
8 E 1438 1394 2.83      
9 E 822 796 70.39      
9 E 822 796 70.39      
10 E 576 558 143.72      
10 E 576 558 143.72      
11 E 210 204 3.76      
11 E 210 204 3.76      
12 E 149 145 0.48      
12 E 149 145 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 9379.9 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 9091.0 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 MP2=FULL/aug-cc-pVDZ
ABC
0.05703 0.05703 0.04244

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.265
C2 0.000 0.000 2.117
Cl3 0.000 1.938 -0.468
Cl4 1.678 -0.969 -0.468
Cl5 -1.678 -0.969 -0.468
H6 0.000 -1.035 2.489
H7 0.897 0.518 2.489
H8 -0.897 0.518 2.489

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85152.07222.07222.07222.45242.45242.4524
C21.85153.23093.23093.23091.10001.10001.1000
Cl32.07223.23093.35663.35664.19333.40063.4006
Cl42.07223.23093.35663.35663.40063.40064.1933
Cl52.07223.23093.35663.35663.40064.19333.4006
H62.45241.10004.19333.40063.40061.79331.7933
H72.45241.10003.40063.40064.19331.79331.7933
H82.45241.10003.40064.19333.40061.79331.7933

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.744 Si1 C2 H7 109.744
Si1 C2 H8 109.744 C2 Si1 Cl3 110.737
C2 Si1 Cl4 110.737 C2 Si1 Cl5 110.737
Cl3 Si1 Cl4 108.176 Cl3 Si1 Cl5 108.176
Cl4 Si1 Cl5 108.176 H6 C2 H7 109.197
H6 C2 H8 109.197 H7 C2 H8 109.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability