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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-1456.506307
Energy at 298.15K-1456.510388
HF Energy-1455.919305
Nuclear repulsion energy341.484558
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/6-31G*
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 3310 3065 0.76      
2 A 3293 3048 1.18      
3 A 3238 2998 5.86      
4 A 1569 1453 6.72      
5 A 1448 1340 7.57      
6 A 1399 1295 20.95      
7 A 1342 1242 26.04      
8 A 1269 1175 4.39      
9 A 1141 1056 2.26      
10 A 1017 942 29.70      
11 A 868 804 22.87      
12 A 812 752 110.94      
13 A 730 676 24.96      
14 A 412 381 6.88      
15 A 358 331 1.13      
16 A 275 254 1.48      
17 A 192 178 4.28      
18 A 118 109 3.96      

Unscaled Zero Point Vibrational Energy (zpe) 11394.4 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 10548.9 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/6-31G*
ABC
0.11820 0.04917 0.03593

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/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 2.288 -0.297 -0.092
H4 0.557 -0.683 1.461
H5 0.586 -1.887 0.162
Cl6 -1.974 -0.857 -0.013
Cl7 -0.455 1.634 0.081
H8 -0.258 -0.133 -1.427

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51711.77451.08401.08412.67182.72622.1572
C21.51712.72482.14972.13211.77681.76761.0816
Cl31.77452.72482.35682.34324.29933.35872.8793
H41.08402.14972.35681.77202.93472.88043.0508
H51.08412.13212.34321.77202.76493.67272.5125
Cl62.67181.77684.29932.93472.76492.91922.3384
Cl72.72621.76763.35872.88043.67272.91922.3312
H82.15721.08162.87933.05082.51252.33842.3312

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 108.159 C1 C2 Cl7 111.966
C1 C2 H8 111.112 C2 C1 Cl3 111.509
C2 C1 H4 110.370 C2 C1 H5 108.969
Cl3 C1 H4 108.655 Cl3 C1 H5 107.650
H4 C1 H5 109.635 Cl6 C2 Cl7 110.893
Cl6 C2 H8 107.276 Cl7 C2 H8 107.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability