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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-1456.133336
Energy at 298.15K-1456.137045
HF Energy-1455.799140
Nuclear repulsion energy325.676360
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/SDD
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 3214 3103 4.31      
2 A 3198 3087 1.42      
3 A 3118 3010 8.06      
4 A 1499 1447 6.81      
5 A 1370 1322 3.76      
6 A 1325 1279 19.67      
7 A 1243 1199 18.80      
8 A 1187 1146 1.90      
9 A 1085 1047 2.66      
10 A 966 932 17.34      
11 A 735 710 14.43      
12 A 678 654 78.07      
13 A 620 599 22.36      
14 A 376 363 8.44      
15 A 309 298 0.65      
16 A 239 231 1.77      
17 A 173 167 4.96      
18 A 106 102 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 10720.2 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 10348.2 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/SDD
ABC
0.10716 0.04476 0.03266

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.654 -0.867 0.428
C2 -0.405 -0.097 -0.376
Cl3 2.394 -0.335 -0.097
H4 0.569 -0.674 1.505
H5 0.591 -1.941 0.207
Cl6 -2.088 -0.885 -0.017
Cl7 -0.448 1.723 0.081
H8 -0.259 -0.152 -1.460

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.53621.89321.09781.09852.77822.83522.2157
C21.53622.82282.19512.17521.89271.87681.0954
Cl31.89322.82282.45192.43354.51623.51302.9883
H41.09782.19512.45191.81413.06922.96683.1225
H51.09852.17522.43351.81412.88833.81002.5892
Cl62.77821.89274.51623.06922.88833.08202.4424
Cl72.83521.87683.51302.96683.81003.08202.4342
H82.21571.09542.98833.12252.58922.44242.4342

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 107.784 C1 C2 Cl7 111.960
C1 C2 H8 113.642 C2 C1 Cl3 110.361
C2 C1 H4 111.818 C2 C1 H5 110.188
Cl3 C1 H4 107.105 Cl3 C1 H5 105.777
H4 C1 H5 111.374 Cl6 C2 Cl7 109.694
Cl6 C2 H8 106.583 Cl7 C2 H8 107.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability