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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-1456.626150
Energy at 298.15K-1456.630137
HF Energy-1455.918898
Nuclear repulsion energy340.010171
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 QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3207 3054 1.37      
2 A 3187 3035 1.27      
3 A 3138 2988 6.12      
4 A 1524 1451 6.44      
5 A 1401 1334 6.87      
6 A 1357 1292 18.75      
7 A 1300 1238 22.87      
8 A 1229 1171 4.30      
9 A 1110 1057 2.12      
10 A 989 942 26.20      
11 A 839 799 19.63      
12 A 784 747 99.76      
13 A 705 672 22.81      
14 A 401 382 6.54      
15 A 347 330 1.01      
16 A 266 254 1.42      
17 A 186 177 4.02      
18 A 116 110 3.62      

Unscaled Zero Point Vibrational Energy (zpe) 11042.7 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 10516.0 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 QCISD/6-31G*
ABC
0.11722 0.04880 0.03565

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.665 -0.839 0.391
C2 -0.417 -0.078 -0.362
Cl3 2.295 -0.302 -0.090
H4 0.550 -0.692 1.468
H5 0.580 -1.902 0.155
Cl6 -1.986 -0.855 -0.012
Cl7 -0.447 1.642 0.082
H8 -0.260 -0.134 -1.440

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52251.78271.09231.09242.68152.73612.1690
C21.52252.73512.15932.14261.78551.77631.0903
Cl31.78272.73512.37142.35804.31753.36582.8941
H41.09232.15932.37141.78552.94122.89203.0693
H51.09242.14262.35801.78552.77693.69062.5250
Cl62.68151.78554.31752.94122.77692.93462.3534
Cl72.73611.77633.36582.89203.69062.93462.3458
H82.16901.09032.89413.06932.52502.35342.3458

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 108.046 C1 C2 Cl7 111.850
C1 C2 H8 111.148 C2 C1 Cl3 111.447
C2 C1 H4 110.253 C2 C1 H5 108.937
Cl3 C1 H4 108.760 Cl3 C1 H5 107.772
H4 C1 H5 109.625 Cl6 C2 Cl7 110.953
Cl6 C2 H8 107.360 Cl7 C2 H8 107.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability