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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-1458.436287
Energy at 298.15K-1458.440143
Nuclear repulsion energy340.158400
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 B3PW91/6-31G(2df,p)
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 3182 3059 0.08      
2 A 3154 3032 0.91      
3 A 3107 2987 4.79      
4 A 1458 1402 6.33      
5 A 1327 1275 7.06      
6 A 1279 1229 16.23      
7 A 1220 1173 19.51      
8 A 1170 1125 3.58      
9 A 1070 1029 4.33      
10 A 938 902 27.54      
11 A 790 759 14.39      
12 A 746 717 132.46      
13 A 678 652 31.27      
14 A 385 370 7.02      
15 A 333 320 1.23      
16 A 254 244 1.28      
17 A 178 171 3.87      
18 A 107 103 3.30      

Unscaled Zero Point Vibrational Energy (zpe) 10687.7 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 10275.1 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 B3PW91/6-31G(2df,p)
ABC
0.11709 0.04887 0.03568

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.665 -0.835 0.395
C2 -0.412 -0.077 -0.360
Cl3 2.295 -0.300 -0.092
H4 0.560 -0.682 1.470
H5 0.586 -1.897 0.161
Cl6 -1.981 -0.861 -0.013
Cl7 -0.455 1.642 0.081
H8 -0.263 -0.126 -1.438

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51761.78331.09041.09092.67732.73542.1730
C21.51762.72922.15882.13981.78761.77541.0888
Cl31.78332.72922.36522.35234.31323.37022.8955
H41.09042.15882.36521.78602.94772.89103.0726
H51.09092.13982.35231.78602.77423.68942.5321
Cl62.67731.78764.31322.94772.77422.93262.3494
Cl72.73541.77543.37022.89103.68942.93262.3388
H82.17301.08882.89553.07262.53212.34942.3388

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 107.916 C1 C2 Cl7 112.096
C1 C2 H8 111.907 C2 C1 Cl3 111.285
C2 C1 H4 110.667 C2 C1 H5 109.141
Cl3 C1 H4 108.363 Cl3 C1 H5 107.394
H4 C1 H5 109.930 Cl6 C2 Cl7 110.786
Cl6 C2 H8 107.008 Cl7 C2 H8 107.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 C -0.067      
3 Cl -0.128      
4 H 0.205      
5 H 0.203      
6 Cl -0.104      
7 Cl -0.087      
8 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.069 -1.295 -0.121 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.572 -0.135 0.440
y -0.135 -49.312 -0.391
z 0.440 -0.391 -47.858
Traceless
 xyz
x -5.987 -0.135 0.440
y -0.135 1.903 -0.391
z 0.440 -0.391 4.084
Polar
3z2-r28.168
x2-y2-5.260
xy-0.135
xz0.440
yz-0.391


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.447 0.773 -0.299
y 0.773 8.647 0.032
z -0.299 0.032 6.216


<r2> (average value of r2) Å2
<r2> 270.196
(<r2>)1/2 16.438