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

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-1456.626787
Energy at 298.15K-1456.630888
Nuclear repulsion energy341.616523
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 CISD/6-311G*
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 3293 3047 1.92      
2 A 3276 3031 1.50      
3 A 3221 2980 7.57      
4 A 1551 1435 6.11      
5 A 1447 1339 7.15      
6 A 1397 1293 21.39      
7 A 1343 1242 26.29      
8 A 1271 1176 7.39      
9 A 1139 1054 1.94      
10 A 1012 937 33.49      
11 A 862 798 26.42      
12 A 807 747 117.50      
13 A 726 672 25.19      
14 A 411 380 6.36      
15 A 358 331 0.88      
16 A 276 255 1.13      
17 A 193 178 4.16      
18 A 120 111 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 11350.7 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 10502.8 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 CISD/6-311G*
ABC
0.11820 0.04922 0.03596

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.664 -0.828 0.396
C2 -0.414 -0.078 -0.357
Cl3 2.287 -0.299 -0.093
H4 0.559 -0.673 1.462
H5 0.585 -1.884 0.170
Cl6 -1.974 -0.857 -0.014
Cl7 -0.453 1.634 0.081
H8 -0.255 -0.133 -1.424

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51471.77531.08251.08252.66992.72242.1546
C21.51472.72292.14782.13051.77661.76731.0802
Cl31.77532.72292.35412.34034.29753.35742.8743
H41.08252.14782.35411.77132.93782.87353.0474
H51.08252.13052.34031.77132.76343.66922.5125
Cl62.66991.77664.29752.93782.76342.92002.3376
Cl72.72241.76733.35742.87353.66922.92002.3295
H82.15461.08022.87433.04742.51252.33762.3295

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 108.161 C1 C2 Cl7 111.863
C1 C2 H8 111.163 C2 C1 Cl3 111.466
C2 C1 H4 110.471 C2 C1 H5 109.099
Cl3 C1 H4 108.485 Cl3 C1 H5 107.468
H4 C1 H5 109.795 Cl6 C2 Cl7 110.962
Cl6 C2 H8 107.296 Cl7 C2 H8 107.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability