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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-1449.880743
Energy at 298.15K-1449.884640
HF Energy-1449.246008
Nuclear repulsion energy336.771621
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 3185 3046 0.23      
2 A 3169 3031 0.45      
3 A 3117 2981 3.00      
4 A 1548 1480 9.28      
5 A 1395 1334 4.47      
6 A 1360 1301 10.42      
7 A 1290 1234 17.41      
8 A 1242 1188 2.16      
9 A 1042 997 0.71      
10 A 975 932 21.45      
11 A 790 756 13.82      
12 A 731 699 88.03      
13 A 664 636 23.58      
14 A 396 379 6.74      
15 A 336 321 0.63      
16 A 260 249 1.33      
17 A 185 177 4.25      
18 A 109 105 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 10896.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 10422.5 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 CCD/3-21G*
ABC
0.11586 0.04776 0.03501

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 0.665 -0.857 0.401
C2 -0.417 -0.086 -0.373
Cl3 2.315 -0.308 -0.092
H4 0.550 -0.693 1.475
H5 0.585 -1.922 0.166
Cl6 -2.017 -0.848 -0.012
Cl7 -0.437 1.652 0.083
H8 -0.255 -0.147 -1.449

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.53711.80811.09231.09302.71342.75942.1846
C21.53712.75532.17152.15971.80901.79771.0896
Cl31.80812.75532.39162.37984.36673.38412.9112
H41.09232.17152.39161.79552.97052.90013.0810
H51.09302.15972.37981.79552.82083.71872.5426
Cl62.71341.80904.36672.97052.82082.95962.3788
Cl72.75941.79773.38412.90013.71872.95962.3705
H82.18461.08962.91123.08102.54262.37882.3705

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 108.098 C1 C2 Cl7 111.436
C1 C2 H8 111.405 C2 C1 Cl3 110.647
C2 C1 H4 110.202 C2 C1 H5 109.236
Cl3 C1 H4 108.565 Cl3 C1 H5 107.662
H4 C1 H5 110.494 Cl6 C2 Cl7 110.288
Cl6 C2 H8 107.711 Cl7 C2 H8 107.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability