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

using model chemistry: QCISD(T)/6-31G*

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(T)/6-31G*
 hartrees
Energy at 0K-1707.625130
Energy at 298.15K-1707.628566
HF Energy-1706.941222
Nuclear repulsion energy435.692360
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(T)/6-31G*
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 2281 2188        
2 A1 940 902        
3 A1 889 852        
4 A1 435 417        
5 A1 291 280        
6 A2 191 183        
7 E 2306 2212        
7 E 2306 2212        
8 E 948 909        
8 E 947 909        
9 E 787 755        
9 E 787 755        
10 E 620 595        
10 E 620 594        
11 E 281 270        
11 E 281 270        
12 E 173 166        
12 E 173 166        

Unscaled Zero Point Vibrational Energy (zpe) 7627.8 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 7317.3 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(T)/6-31G*
ABC
0.05519 0.05407 0.05407

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.883
C2 0.000 0.000 -0.046
H3 0.000 -1.420 2.323
H4 1.229 0.710 2.323
H5 -1.229 0.710 2.323
Cl6 0.000 1.689 -0.648
Cl7 1.463 -0.845 -0.648
Cl8 -1.463 -0.845 -0.648

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92881.48651.48651.48653.04273.04273.0427
C21.92882.76222.76222.76221.79341.79341.7934
H31.48652.76222.45892.45894.30063.36163.3616
H41.48652.76222.45892.45893.36163.36164.3006
H51.48652.76222.45892.45893.36164.30063.3616
Cl63.04271.79344.30063.36163.36162.92602.9260
Cl73.04271.79343.36163.36164.30062.92602.9260
Cl83.04271.79343.36164.30063.36162.92602.9260

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 109.612 Si1 C2 Cl7 109.612
Si1 C2 Cl8 109.612 C2 Si1 H3 107.244
C2 Si1 H4 107.244 C2 Si1 H5 107.244
H3 Si1 H4 111.604 H3 Si1 H5 111.604
H4 Si1 H5 111.604 Cl6 C2 Cl7 109.330
Cl6 C2 Cl8 109.330 Cl7 C2 Cl8 109.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability