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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-1456.735782
Energy at 298.15K-1456.739784
HF Energy-1456.018517
Nuclear repulsion energy340.377225
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/TZVP
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 3234 3065 0.38      
2 A 3205 3038 1.28      
3 A 3155 2990 5.45      
4 A 1485 1408 5.21      
5 A 1386 1314 7.31      
6 A 1335 1265 22.11      
7 A 1276 1209 26.61      
8 A 1215 1152 5.69      
9 A 1105 1048 2.55      
10 A 976 925 23.90      
11 A 828 785 17.59      
12 A 778 737 102.22      
13 A 699 663 23.93      
14 A 400 379 6.59      
15 A 344 326 0.83      
16 A 264 250 1.22      
17 A 186 177 3.90      
18 A 119 113 3.14      

Unscaled Zero Point Vibrational Energy (zpe) 10993.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 10420.9 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 MP2/TZVP
ABC
0.11715 0.04899 0.03574

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.652 -0.839 0.391
C2 -0.414 -0.078 -0.364
Cl3 2.289 -0.311 -0.089
H4 0.540 -0.684 1.460
H5 0.566 -1.895 0.154
Cl6 -1.988 -0.850 -0.012
Cl7 -0.435 1.644 0.081
H8 -0.258 -0.133 -1.435

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51121.78631.08591.08592.67052.72802.1584
C21.51122.72732.14512.12791.78821.77891.0842
Cl31.78632.72732.36672.35384.31213.35742.8863
H41.08592.14512.36671.78122.92952.87623.0527
H51.08592.12792.35381.78122.76403.67852.5110
Cl62.67051.78824.31212.92952.76402.94002.3523
Cl72.72801.77893.35742.87623.67852.94002.3428
H82.15841.08422.88633.05272.51102.35232.3428

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 107.779 C1 C2 Cl7 111.768
C1 C2 H8 111.470 C2 C1 Cl3 111.326
C2 C1 H4 110.288 C2 C1 H5 108.933
Cl3 C1 H4 108.502 Cl3 C1 H5 107.559
H4 C1 H5 110.194 Cl6 C2 Cl7 111.019
Cl6 C2 H8 107.415 Cl7 C2 H8 107.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability