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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-1456.727286
Energy at 298.15K-1456.731343
HF Energy-1456.013425
Nuclear repulsion energy341.620989
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 MP2/6-311G**
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 3215 3055 0.89      
2 A 3189 3030 2.14      
3 A 3140 2984 6.75      
4 A 1479 1406 4.43      
5 A 1389 1320 7.32      
6 A 1344 1277 20.33      
7 A 1295 1231 24.33      
8 A 1226 1165 7.94      
9 A 1107 1052 2.39      
10 A 983 934 29.84      
11 A 844 802 19.53      
12 A 795 756 106.24      
13 A 711 676 22.28      
14 A 403 383 5.64      
15 A 351 334 0.71      
16 A 271 258 0.99      
17 A 188 179 3.59      
18 A 125 119 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 11027.5 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 10478.3 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 MP2/6-311G**
ABC
0.11823 0.04934 0.03602

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.656 -0.840 0.388
C2 -0.419 -0.076 -0.363
Cl3 2.279 -0.308 -0.089
H4 0.537 -0.692 1.461
H5 0.567 -1.899 0.147
Cl6 -1.982 -0.844 -0.011
Cl7 -0.431 1.636 0.081
H8 -0.258 -0.133 -1.437

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51781.77361.08961.08972.66812.72142.1602
C21.51782.72232.14962.13481.77721.76841.0879
Cl31.77362.72232.36312.34924.29593.33962.8790
H41.08962.14962.36311.78452.92182.87403.0568
H51.08972.13482.34921.78452.76333.67382.5117
Cl62.66811.77724.29592.92182.76332.92722.3477
Cl72.72141.76843.33962.87403.67382.92722.3382
H82.16021.08792.87903.05682.51172.34772.3382

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 107.883 C1 C2 Cl7 111.585
C1 C2 H8 110.921 C2 C1 Cl3 111.360
C2 C1 H4 109.967 C2 C1 H5 108.804
Cl3 C1 H4 108.886 Cl3 C1 H5 107.862
H4 C1 H5 109.932 Cl6 C2 Cl7 111.298
Cl6 C2 H8 107.608 Cl7 C2 H8 107.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability