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All results from a given calculation for SiH3CCl3 ((trichloromethyl)silane)

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1699.681859
Energy at 298.15K-1699.685320
HF Energy-1699.057230
Nuclear repulsion energy434.184644
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/3-21G*
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 2369 2246 41.70      
2 A1 975 924 278.41      
3 A1 901 854 20.90      
4 A1 418 396 7.95      
5 A1 289 274 8.97      
6 A2 214 203 0.00      
7 E 2391 2267 80.18      
7 E 2391 2267 80.18      
8 E 982 931 62.79      
8 E 982 931 62.79      
9 E 750 711 14.82      
9 E 750 711 14.82      
10 E 623 591 90.60      
10 E 623 591 90.60      
11 E 276 261 0.03      
11 E 276 261 0.03      
12 E 174 165 0.00      
12 E 174 165 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7778.0 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 7373.5 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/3-21G*
ABC
0.05432 0.05392 0.05392

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.873
C2 0.000 0.000 -0.035
H3 0.000 -1.409 2.310
H4 1.221 0.705 2.310
H5 -1.221 0.705 2.310
Cl6 0.000 1.703 -0.646
Cl7 1.475 -0.852 -0.646
Cl8 -1.475 -0.852 -0.646

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.90761.47581.47581.47583.04023.04023.0402
C21.90762.73642.73642.73641.80941.80941.8094
H31.47582.73642.44102.44104.29273.35063.3506
H41.47582.73642.44102.44103.35063.35064.2927
H51.47582.73642.44102.44103.35064.29273.3506
Cl63.04021.80944.29273.35063.35062.95002.9500
Cl73.04021.80943.35063.35064.29272.95002.9500
Cl83.04021.80943.35064.29273.35062.95002.9500

picture of (trichloromethyl)silane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 Cl6 109.728 Si1 C2 Cl7 109.728
Si1 C2 Cl8 109.728 C2 Si1 H3 107.263
C2 Si1 H4 107.263 C2 Si1 H5 107.263
H3 Si1 H4 111.586 H3 Si1 H5 111.586
H4 Si1 H5 111.586 Cl6 C2 Cl7 109.214
Cl6 C2 Cl8 109.214 Cl7 C2 Cl8 109.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability