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

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-1449.286994
Energy at 298.15K-1449.290688
HF Energy-1448.926252
Nuclear repulsion energy326.894272
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 CCD/3-21G
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 3223 3134 0.32      
2 A 3208 3120 0.38      
3 A 3140 3053 0.88      
4 A 1538 1495 10.22      
5 A 1369 1331 4.71      
6 A 1317 1281 13.89      
7 A 1222 1188 20.57      
8 A 1199 1166 3.22      
9 A 1068 1039 2.52      
10 A 934 908 18.47      
11 A 735 715 19.44      
12 A 679 660 73.41      
13 A 614 597 21.18      
14 A 371 361 7.42      
15 A 307 298 0.36      
16 A 235 229 2.00      
17 A 174 169 5.51      
18 A 101 98 4.64      

Unscaled Zero Point Vibrational Energy (zpe) 10716.5 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 10419.6 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 CCD/3-21G
ABC
0.10836 0.04510 0.03296

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.634 -0.869 0.432
C2 -0.394 -0.107 -0.380
Cl3 2.381 -0.342 -0.097
H4 0.548 -0.659 1.498
H5 0.573 -1.939 0.225
Cl6 -2.090 -0.867 -0.018
Cl7 -0.428 1.715 0.081
H8 -0.243 -0.165 -1.455

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51561.90031.09001.09132.76092.81602.1967
C21.51562.79932.17242.15841.89361.87961.0866
Cl31.90032.79932.45052.43404.50273.48602.9603
H41.09002.17242.45051.80553.04992.93223.0967
H51.09132.15842.43401.80552.88133.79162.5761
Cl62.76091.89364.50273.04992.88133.07242.4426
Cl72.81601.87963.48602.93223.79163.07242.4343
H82.19671.08662.96033.09672.57612.44262.4343

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 107.640 C1 C2 Cl7 111.630
C1 C2 H8 114.151 C2 C1 Cl3 109.551
C2 C1 H4 111.934 C2 C1 H5 110.727
Cl3 C1 H4 106.914 Cl3 C1 H5 105.698
H4 C1 H5 111.734 Cl6 C2 Cl7 109.027
Cl6 C2 H8 106.948 Cl7 C2 H8 107.262
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability