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All results from a given calculation for CH2ClCHCl2 (1,1,2-trichloroethane)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-1456.646145
Energy at 298.15K-1456.650095
HF Energy-1455.918723
Nuclear repulsion energy339.498665
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(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 A 3192 3071        
2 A 3169 3049        
3 A 3122 3003        
4 A 1514 1457        
5 A 1388 1336        
6 A 1345 1294        
7 A 1288 1239        
8 A 1218 1172        
9 A 1100 1059        
10 A 981 944        
11 A 825 793        
12 A 771 742        
13 A 696 670        
14 A 397 382        
15 A 342 330        
16 A 264 254        
17 A 184 177        
18 A 115 110        

Unscaled Zero Point Vibrational Energy (zpe) 10954.7 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 10539.5 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 CCSD(T)/6-31G*
ABC
0.11687 0.04868 0.03556

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.662 -0.843 0.391
C2 -0.417 -0.078 -0.364
Cl3 2.297 -0.305 -0.090
H4 0.547 -0.695 1.468
H5 0.577 -1.907 0.153
Cl6 -1.991 -0.854 -0.012
Cl7 -0.443 1.645 0.082
H8 -0.261 -0.134 -1.443

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52351.78691.09351.09372.68392.73942.1726
C21.52352.73742.16072.14491.78991.77971.0917
Cl31.78692.73742.37582.36254.32393.36732.8989
H41.09352.16072.37581.78932.94232.89393.0734
H51.09372.14492.36251.78932.78103.69582.5283
Cl62.68391.78994.32392.94232.78102.94062.3583
Cl72.73941.77973.36732.89393.69582.94062.3502
H82.17261.09172.89893.07342.52832.35832.3502

picture of 1,1,2-trichloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 107.928 C1 C2 Cl7 111.830
C1 C2 H8 111.288 C2 C1 Cl3 111.319
C2 C1 H4 110.226 C2 C1 H5 108.975
Cl3 C1 H4 108.740 Cl3 C1 H5 107.757
H4 C1 H5 109.783 Cl6 C2 Cl7 110.930
Cl6 C2 H8 107.356 Cl7 C2 H8 107.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability