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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-992.429275
Energy at 298.15K-992.431203
Nuclear repulsion energy180.062562
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3205 3176 0.26      
2 A1 1631 1616 28.35      
3 A1 1176 1165 0.06      
4 A1 632 627 24.75      
5 A1 161 159 0.22      
6 A2 881 873 0.00      
7 A2 391 387 0.00      
8 B1 706 700 95.44      
9 B2 3179 3150 16.64      
10 B2 1272 1260 21.64      
11 B2 765 758 75.25      
12 B2 522 518 9.66      

Unscaled Zero Point Vibrational Energy (zpe) 7259.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 7193.8 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/3-21G
ABC
0.34365 0.08167 0.06599

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 1.033
C2 0.000 -0.665 1.033
H3 0.000 1.262 1.944
H4 0.000 -1.262 1.944
Cl5 0.000 1.660 -0.479
Cl6 0.000 -1.660 -0.479

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32911.08892.13101.81042.7729
C21.32912.13101.08892.77291.8104
H31.08892.13102.52462.45503.7956
H42.13101.08892.52463.79562.4550
Cl51.81042.77292.45503.79563.3190
Cl62.77291.81043.79562.45503.3190

picture of Ethene, 1,2-dichloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 123.294 C1 C2 Cl6 123.339
C2 C1 H3 123.294 C2 C1 Cl5 123.339
H3 C1 Cl5 113.367 H4 C2 Cl6 113.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 C -0.402      
3 H 0.280      
4 H 0.280      
5 Cl 0.121      
6 Cl 0.121      


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 2.494 2.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.184 0.000 0.000
y 0.000 -37.805 0.000
z 0.000 0.000 -32.292
Traceless
 xyz
x -4.136 0.000 0.000
y 0.000 -2.067 0.000
z 0.000 0.000 6.203
Polar
3z2-r212.405
x2-y2-1.379
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.749 0.000 0.000
y 0.000 7.917 0.000
z 0.000 0.000 6.120


<r2> (average value of r2) Å2
<r2> 153.046
(<r2>)1/2 12.371