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

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/SDD
 hartrees
Energy at 0K-1455.802338
Energy at 298.15K-1455.806287
Nuclear repulsion energy331.572787
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 HF/SDD
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 3437 3095 1.54      
2 A 3425 3084 0.28      
3 A 3339 3006 5.99      
4 A 1626 1464 8.73      
5 A 1476 1329 7.39      
6 A 1427 1285 28.80      
7 A 1356 1221 32.11      
8 A 1293 1165 2.38      
9 A 1172 1056 2.59      
10 A 1039 935 24.18      
11 A 789 710 30.23      
12 A 723 651 142.72      
13 A 673 606 42.92      
14 A 405 365 11.22      
15 A 337 304 1.22      
16 A 261 235 2.32      
17 A 189 170 7.53      
18 A 107 97 6.41      

Unscaled Zero Point Vibrational Energy (zpe) 11537.7 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 10388.6 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 HF/SDD
ABC
0.11108 0.04626 0.03379

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.657 -0.837 0.431
C2 -0.397 -0.093 -0.363
Cl3 2.362 -0.315 -0.100
H4 0.584 -0.640 1.484
H5 0.601 -1.892 0.233
Cl6 -2.037 -0.887 -0.021
Cl7 -0.472 1.688 0.080
H8 -0.250 -0.148 -1.421

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51551.85991.07371.07422.73242.78822.1748
C21.51552.78012.16192.14151.85371.83681.0695
Cl31.85992.78012.40262.38674.43633.47412.9317
H41.07372.16192.40261.76993.03262.91613.0622
H51.07422.14152.38671.76992.83423.73982.5496
Cl62.73241.85374.43633.03262.83423.01502.3872
Cl72.78821.83683.47412.91613.73983.01502.3817
H82.17481.06952.93173.06222.54962.38722.3817

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 107.968 C1 C2 Cl7 112.202
C1 C2 H8 113.435 C2 C1 Cl3 110.487
C2 C1 H4 112.100 C2 C1 H5 110.410
Cl3 C1 H4 106.893 Cl3 C1 H5 105.727
H4 C1 H5 110.975 Cl6 C2 Cl7 109.563
Cl6 C2 H8 106.389 Cl7 C2 H8 107.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.358      
2 C -0.338      
3 Cl -0.094      
4 H 0.270      
5 H 0.263      
6 Cl -0.041      
7 Cl -0.016      
8 H 0.314      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.086 -1.854 -0.114 1.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.262 -0.641 0.861
y -0.641 -51.860 -0.591
z 0.861 -0.591 -48.655
Traceless
 xyz
x -10.004 -0.641 0.861
y -0.641 2.599 -0.591
z 0.861 -0.591 7.405
Polar
3z2-r214.811
x2-y2-8.402
xy-0.641
xz0.861
yz-0.591


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.893 1.460 -0.793
y 1.460 6.977 0.089
z -0.793 0.089 3.878


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