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All results from a given calculation for CHClCHCl (Ethene, 1,2-dichloro-, (E)-)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-41.403997
Energy at 298.15K-41.405956
Nuclear repulsion energy51.354303
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/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 Ag 3417 3118 0.00      
2 Ag 1773 1618 0.00      
3 Ag 1405 1282 0.00      
4 Ag 872 795 0.00      
5 Ag 357 326 0.00      
6 Au 1044 953 120.19      
7 Au 225 205 1.69      
8 Bg 915 835 0.00      
9 Bu 3407 3109 17.68      
10 Bu 1322 1206 30.00      
11 Bu 821 749 146.13      
12 Bu 244 223 7.46      

Unscaled Zero Point Vibrational Energy (zpe) 7900.6 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 7209.3 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/CEP-121G
ABC
1.74666 0.04863 0.04731

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.662 0.000
C2 0.000 -0.662 0.000
H3 0.869 1.286 0.000
H4 -0.869 -1.286 0.000
Cl5 -1.540 1.582 0.000
Cl6 1.540 -1.582 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32321.07022.13301.79422.7215
C21.32322.13301.07022.72151.7942
H31.07022.13303.10462.42702.9461
H42.13301.07023.10462.94612.4270
Cl51.79422.72152.42702.94614.4159
Cl62.72151.79422.94612.42704.4159

picture of Ethene, 1,2-dichloro-, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 125.713 C1 C2 Cl6 120.876
C2 C1 H3 125.713 C2 C1 Cl5 120.876
H3 C1 Cl5 113.411 H4 C2 Cl6 113.411
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 C -0.213      
3 H 0.240      
4 H 0.240      
5 Cl -0.027      
6 Cl -0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.677 5.398 0.000
y 5.398 -37.748 0.000
z 0.000 0.000 -38.046
Traceless
 xyz
x -0.780 5.398 0.000
y 5.398 0.613 0.000
z 0.000 0.000 0.166
Polar
3z2-r20.332
x2-y2-0.929
xy5.398
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.282 -3.080 0.000
y -3.080 8.133 0.000
z 0.000 0.000 2.455


<r2> (average value of r2) Å2
<r2> 100.404
(<r2>)1/2 10.020