return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-1456.504289
Energy at 298.15K-1456.508377
HF Energy-1455.919297
Nuclear repulsion energy341.589727
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 CID/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 3313 3060 0.65      
2 A 3296 3044 1.20      
3 A 3241 2994 5.70      
4 A 1570 1450 6.82      
5 A 1449 1339 7.44      
6 A 1400 1294 20.81      
7 A 1344 1241 25.72      
8 A 1270 1173 4.36      
9 A 1143 1055 2.25      
10 A 1019 941 29.83      
11 A 871 805 22.67      
12 A 815 753 109.08      
13 A 732 676 24.46      
14 A 412 381 6.86      
15 A 359 331 1.13      
16 A 275 254 1.49      
17 A 192 178 4.28      
18 A 118 109 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 11409.0 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 10538.5 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 CID/6-31G*
ABC
0.11828 0.04920 0.03595

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.667 -0.831 0.393
C2 -0.415 -0.078 -0.358
Cl3 2.287 -0.297 -0.092
H4 0.558 -0.682 1.461
H5 0.586 -1.887 0.162
Cl6 -1.973 -0.857 -0.013
Cl7 -0.455 1.633 0.081
H8 -0.257 -0.133 -1.426

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51681.77381.08391.08392.67132.72542.1565
C21.51682.72412.14932.13171.77601.76701.0815
Cl31.77382.72412.35622.34264.29803.35792.8782
H41.08392.14932.35621.77162.93422.87973.0501
H51.08392.13172.34261.77162.76423.67172.5119
Cl62.67131.77604.29802.93422.76422.91812.3378
Cl72.72541.76703.35792.87973.67172.91812.3306
H82.15651.08152.87823.05012.51192.33782.3306

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 108.178 C1 C2 Cl7 111.968
C1 C2 H8 111.083 C2 C1 Cl3 111.522
C2 C1 H4 110.359 C2 C1 H5 108.965
Cl3 C1 H4 108.663 Cl3 C1 H5 107.663
H4 C1 H5 109.617 Cl6 C2 Cl7 110.898
Cl6 C2 H8 107.279 Cl7 C2 H8 107.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability