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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-1707.603392
Energy at 298.15K-1707.606896
HF Energy-1706.941473
Nuclear repulsion energy436.853358
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/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 2294 2166 50.80      
2 A1 948 895 184.06      
3 A1 899 849 88.29      
4 A1 444 420 6.91      
5 A1 295 278 9.74      
6 A2 193 182 0.00      
7 E 2317 2188 101.93      
7 E 2317 2188 101.93      
8 E 954 901 63.07      
8 E 954 901 63.07      
9 E 812 767 43.62      
9 E 812 767 43.62      
10 E 629 594 53.80      
10 E 629 594 53.80      
11 E 286 270 0.05      
11 E 286 270 0.05      
12 E 175 165 0.03      
12 E 175 165 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7709.0 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 7279.6 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/6-31G*
ABC
0.05555 0.05433 0.05433

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.880
C2 0.000 0.000 -0.048
H3 0.000 -1.418 2.320
H4 1.228 0.709 2.320
H5 -1.228 0.709 2.320
Cl6 0.000 1.684 -0.647
Cl7 1.458 -0.842 -0.647
Cl8 -1.458 -0.842 -0.647

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92761.48491.48491.48493.03653.03653.0365
C21.92762.75952.75952.75951.78721.78721.7872
H31.48492.75952.45672.45674.29223.35543.3554
H41.48492.75952.45672.45673.35543.35544.2922
H51.48492.75952.45672.45673.35544.29223.3554
Cl63.03651.78724.29223.35543.35542.91632.9163
Cl73.03651.78723.35543.35544.29222.91632.9163
Cl83.03651.78723.35544.29223.35542.91632.9163

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 109.596 Si1 C2 Cl7 109.596
Si1 C2 Cl8 109.596 C2 Si1 H3 107.216
C2 Si1 H4 107.216 C2 Si1 H5 107.216
H3 Si1 H4 111.629 H3 Si1 H5 111.629
H4 Si1 H5 111.629 Cl6 C2 Cl7 109.347
Cl6 C2 Cl8 109.347 Cl7 C2 Cl8 109.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability