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

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1707.641997
Energy at 298.15K-1707.645554
HF Energy-1706.948852
Nuclear repulsion energy436.850357
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/6-31+G**
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 2326 2199 54.32      
2 A1 962 910 247.23      
3 A1 905 855 40.45      
4 A1 442 417 6.90      
5 A1 294 278 9.62      
6 A2 205 194 0.00      
7 E 2346 2217 92.76      
7 E 2346 2217 92.76      
8 E 978 925 66.75      
8 E 978 925 66.75      
9 E 808 764 39.38      
9 E 808 764 39.38      
10 E 637 602 58.08      
10 E 637 602 58.08      
11 E 284 269 0.01      
11 E 284 269 0.01      
12 E 173 164 0.07      
12 E 173 164 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7792.6 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 7367.1 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/6-31+G**
ABC
0.05543 0.05433 0.05433

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.879
C2 0.000 0.000 -0.048
H3 0.000 -1.405 2.313
H4 1.217 0.702 2.313
H5 -1.217 0.702 2.313
Cl6 0.000 1.686 -0.646
Cl7 1.460 -0.843 -0.646
Cl8 -1.460 -0.843 -0.646

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92701.47061.47061.47063.03583.03583.0358
C21.92702.74802.74802.74801.78861.78861.7886
H31.47062.74802.43332.43334.27913.34753.3475
H41.47062.74802.43332.43333.34753.34754.2791
H51.47062.74802.43332.43333.34754.27913.3475
Cl63.03581.78864.27913.34753.34752.91992.9199
Cl73.03581.78863.34753.34754.27912.91992.9199
Cl83.03581.78863.34754.27913.34752.91992.9199

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 109.520 Si1 C2 Cl7 109.520
Si1 C2 Cl8 109.520 C2 Si1 H3 107.196
C2 Si1 H4 107.196 C2 Si1 H5 107.196
H3 Si1 H4 111.647 H3 Si1 H5 111.647
H4 Si1 H5 111.647 Cl6 C2 Cl7 109.423
Cl6 C2 Cl8 109.423 Cl7 C2 Cl8 109.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability