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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-992.862894
Energy at 298.15K-992.864758
Nuclear repulsion energy178.262880
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 BLYP/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 3192 3174 0.01      
2 A1 1612 1603 27.72      
3 A1 1176 1170 0.03      
4 A1 601 597 24.81      
5 A1 157 156 0.24      
6 A2 870 865 0.00      
7 A2 381 379 0.00      
8 B1 697 693 84.02      
9 B2 3167 3149 14.51      
10 B2 1272 1265 27.74      
11 B2 744 740 71.89      
12 B2 502 499 12.77      

Unscaled Zero Point Vibrational Energy (zpe) 7184.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7144.9 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 BLYP/3-21G
ABC
0.33894 0.07955 0.06443

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.664 1.042
C2 0.000 -0.664 1.042
H3 0.000 1.265 1.948
H4 0.000 -1.265 1.948
Cl5 0.000 1.683 -0.482
Cl6 0.000 -1.683 -0.482

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32851.08712.13161.83342.7987
C21.32852.13161.08712.79871.8334
H31.08712.13162.53052.46583.8207
H42.13161.08712.53053.82072.4658
Cl51.83342.79872.46583.82073.3659
Cl62.79871.83343.82072.46583.3659

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 123.564 C1 C2 Cl6 123.756
C2 C1 H3 123.564 C2 C1 Cl5 123.756
H3 C1 Cl5 112.680 H4 C2 Cl6 112.680
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 C -0.344      
3 H 0.252      
4 H 0.252      
5 Cl 0.092      
6 Cl 0.092      


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 2.553 2.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.051 0.000 0.000
y 0.000 -38.024 0.000
z 0.000 0.000 -32.361
Traceless
 xyz
x -3.859 0.000 0.000
y 0.000 -2.318 0.000
z 0.000 0.000 6.176
Polar
3z2-r212.353
x2-y2-1.027
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 156.108
(<r2>)1/2 12.494