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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-1457.898268
Energy at 298.15K-1457.902018
Nuclear repulsion energy336.853263
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 PBEPBE/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 3115 3073 0.30      
2 A 3086 3044 0.86      
3 A 3042 3000 4.81      
4 A 1427 1408 7.14      
5 A 1300 1282 8.39      
6 A 1255 1238 17.78      
7 A 1196 1180 18.68      
8 A 1148 1132 4.44      
9 A 1040 1026 4.80      
10 A 916 903 30.24      
11 A 753 742 14.48      
12 A 703 693 145.34      
13 A 647 638 47.17      
14 A 378 373 8.53      
15 A 323 319 1.66      
16 A 249 245 1.45      
17 A 174 172 4.33      
18 A 109 107 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 10430.1 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 10287.2 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 PBEPBE/6-31G**
ABC
0.11426 0.04805 0.03499

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.661 -0.844 0.391
C2 -0.416 -0.073 -0.364
Cl3 2.313 -0.312 -0.089
H4 0.551 -0.702 1.475
H5 0.576 -1.912 0.143
Cl6 -2.004 -0.867 -0.011
Cl7 -0.446 1.664 0.082
H8 -0.271 -0.122 -1.452

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52481.80111.09891.09932.69502.75942.1873
C21.52482.75382.17092.15011.80971.79411.0979
Cl31.80112.75382.38832.37354.35333.39882.9276
H41.09892.17092.38831.79932.96012.92113.0944
H51.09932.15012.37351.79932.78743.72002.5429
Cl62.69501.80974.35332.96012.78742.97342.3733
Cl72.75941.79413.39882.92113.72002.97342.3604
H82.18731.09792.92763.09442.54292.37332.3604

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 107.538 C1 C2 Cl7 112.238
C1 C2 H8 111.997 C2 C1 Cl3 111.517
C2 C1 H4 110.623 C2 C1 H5 108.965
Cl3 C1 H4 108.443 Cl3 C1 H5 107.352
H4 C1 H5 109.879 Cl6 C2 Cl7 111.192
Cl6 C2 H8 106.855 Cl7 C2 H8 106.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.321      
2 C -0.326      
3 Cl -0.027      
4 H 0.207      
5 H 0.202      
6 Cl 0.005      
7 Cl 0.026      
8 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.058 -1.341 -0.161 1.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.172 -0.173 0.473
y -0.173 -49.728 -0.405
z 0.473 -0.405 -48.233
Traceless
 xyz
x -6.191 -0.173 0.473
y -0.173 1.975 -0.405
z 0.473 -0.405 4.217
Polar
3z2-r28.433
x2-y2-5.444
xy-0.173
xz0.473
yz-0.405


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.018 0.956 -0.382
y 0.956 8.040 0.040
z -0.382 0.040 5.270


<r2> (average value of r2) Å2
<r2> 275.130
(<r2>)1/2 16.587