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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-57.883825
Energy at 298.15K-57.887605
Nuclear repulsion energy90.004331
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 B3LYP/CEP-121G*
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 3170 3073 3.36      
2 A 3149 3053 1.59      
3 A 3095 3000 8.52      
4 A 1476 1431 5.93      
5 A 1344 1303 10.08      
6 A 1295 1255 24.23      
7 A 1235 1197 26.86      
8 A 1177 1141 5.85      
9 A 1051 1019 2.90      
10 A 938 910 28.88      
11 A 760 737 16.07      
12 A 710 689 153.62      
13 A 658 638 40.81      
14 A 378 367 8.55      
15 A 321 312 1.35      
16 A 246 239 1.43      
17 A 175 170 4.46      
18 A 107 104 3.47      

Unscaled Zero Point Vibrational Energy (zpe) 10642.7 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 10317.1 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 B3LYP/CEP-121G*
ABC
0.11276 0.04733 0.03450

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.667 -0.840 0.408
C2 -0.413 -0.077 -0.365
Cl3 2.334 -0.309 -0.095
H4 0.568 -0.675 1.483
H5 0.589 -1.906 0.181
Cl6 -2.012 -0.881 -0.015
Cl7 -0.464 1.673 0.082
H8 -0.263 -0.128 -1.443

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.53261.81971.09161.09222.71282.77612.1914
C21.53262.76992.17602.15601.82321.80741.0897
Cl31.81972.76992.39562.38054.38363.43372.9318
H41.09162.17602.39561.79182.99042.92273.0906
H51.09222.15602.38051.79182.80283.73252.5547
Cl62.71281.82324.38362.99042.80282.98822.3798
Cl72.77611.80743.43372.92273.73252.98822.3689
H82.19141.08972.93183.09062.55472.37982.3689

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 107.563 C1 C2 Cl7 112.175
C1 C2 H8 112.274 C2 C1 Cl3 111.144
C2 C1 H4 110.920 C2 C1 H5 109.303
Cl3 C1 H4 108.123 Cl3 C1 H5 107.005
H4 C1 H5 110.267 Cl6 C2 Cl7 110.783
Cl6 C2 H8 106.853 Cl7 C2 H8 107.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.337      
2 C -0.168      
3 Cl -0.091      
4 H 0.229      
5 H 0.226      
6 Cl -0.062      
7 Cl -0.048      
8 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.090 -1.322 -0.128 1.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.580 -0.096 0.455
y -0.096 -48.040 -0.380
z 0.455 -0.380 -46.595
Traceless
 xyz
x -6.262 -0.096 0.455
y -0.096 2.047 -0.380
z 0.455 -0.380 4.215
Polar
3z2-r28.430
x2-y2-5.539
xy-0.096
xz0.455
yz-0.380


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.722 0.971 -0.374
y 0.971 8.759 -0.007
z -0.374 -0.007 5.974


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000