return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-997.876325
Energy at 298.15K-997.878428
Nuclear repulsion energy184.647182
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/6-311+G(3df,2p)
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 3215 3109 0.50      
2 A1 1645 1590 36.45      
3 A1 1218 1178 0.00      
4 A1 711 687 18.37      
5 A1 168 163 0.24      
6 A2 918 887 0.00      
7 A2 424 410 0.00      
8 B1 716 693 54.84      
9 B2 3193 3088 15.07      
10 B2 1320 1276 26.59      
11 B2 853 825 81.69      
12 B2 576 557 6.98      

Unscaled Zero Point Vibrational Energy (zpe) 7477.7 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 7230.9 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 B3LYP/6-311+G(3df,2p)
ABC
0.39262 0.08202 0.06785

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.662 0.956
C2 0.000 -0.662 0.956
H3 0.000 1.210 1.886
H4 0.000 -1.210 1.886
Cl5 0.000 1.657 -0.448
Cl6 0.000 -1.657 -0.448

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32471.07962.09051.72082.7113
C21.32472.09051.07962.71131.7208
H31.07962.09052.41912.37733.6971
H42.09051.07962.41913.69712.3773
Cl51.72082.71132.37733.69713.3142
Cl62.71131.72083.69712.37733.3142

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 120.455 C1 C2 Cl6 125.315
C2 C1 H3 120.455 C2 C1 Cl5 125.315
H3 C1 Cl5 114.230 H4 C2 Cl6 114.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 C -0.024      
3 H 0.164      
4 H 0.164      
5 Cl -0.139      
6 Cl -0.139      


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 1.833 1.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.607 0.000 0.000
y 0.000 10.626 0.000
z 0.000 0.000 7.802


<r2> (average value of r2) Å2
<r2> 149.294
(<r2>)1/2 12.219