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: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-997.764287
Energy at 298.15K-997.766297
HF Energy-997.764287
Nuclear repulsion energy182.949482
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 B97D3/6-31+G**
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 3186 3131 3.70      
2 A1 1606 1578 48.24      
3 A1 1199 1178 0.05      
4 A1 689 677 23.82      
5 A1 166 163 0.20      
6 A2 846 831 0.00      
7 A2 407 400 0.00      
8 B1 683 671 69.70      
9 B2 3166 3111 11.48      
10 B2 1293 1271 28.50      
11 B2 830 816 99.58      
12 B2 563 553 8.35      

Unscaled Zero Point Vibrational Energy (zpe) 7315.5 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 7189.7 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 B97D3/6-31+G**
ABC
0.38860 0.08016 0.06645

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 0.960
C2 0.000 -0.671 0.960
H3 0.000 1.220 1.899
H4 0.000 -1.220 1.899
Cl5 0.000 1.676 -0.451
Cl6 0.000 -1.676 -0.451

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.34161.08772.11081.73252.7385
C21.34162.11081.08772.73851.7325
H31.08772.11082.43902.39403.7294
H42.11081.08772.43903.72942.3940
Cl51.73252.73852.39403.72943.3525
Cl62.73851.73253.72942.39403.3525

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 120.056 C1 C2 Cl6 124.256
C2 C1 H3 120.056 C2 C1 Cl5 124.256
H3 C1 Cl5 115.689 H4 C2 Cl6 115.689
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 C -0.257      
3 H 0.195      
4 H 0.195      
5 Cl 0.062      
6 Cl 0.062      


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 1.916 1.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.701 0.000 0.000
y 0.000 -37.494 0.000
z 0.000 0.000 -32.732
Traceless
 xyz
x -3.588 0.000 0.000
y 0.000 -1.778 0.000
z 0.000 0.000 5.366
Polar
3z2-r210.732
x2-y2-1.206
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.359 0.000 0.000
y 0.000 9.837 0.000
z 0.000 0.000 7.097


<r2> (average value of r2) Å2
<r2> 151.773
(<r2>)1/2 12.320