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

using model chemistry: HF/CEP-31G

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-31G
 hartrees
Energy at 0K-41.396798
Energy at 298.15K-41.398738
Nuclear repulsion energy51.160442
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-31G
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 3476 3134 0.00      
2 Ag 1805 1627 0.00      
3 Ag 1417 1278 0.00      
4 Ag 878 791 0.00      
5 Ag 356 320 0.00      
6 Au 1056 952 119.45      
7 Au 224 202 1.83      
8 Bg 923 832 0.00      
9 Bu 3464 3123 23.51      
10 Bu 1325 1195 33.47      
11 Bu 823 741 144.48      
12 Bu 246 221 7.69      

Unscaled Zero Point Vibrational Energy (zpe) 7996.1 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 7207.7 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 HF/CEP-31G
ABC
1.70975 0.04841 0.04708

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.000
C2 0.000 -0.669 0.000
H3 0.870 1.297 0.000
H4 -0.870 -1.297 0.000
Cl5 -1.549 1.580 0.000
Cl6 1.549 -1.580 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33841.07312.15011.79682.7311
C21.33842.15011.07312.73111.7968
H31.07312.15013.12372.43552.9561
H42.15011.07313.12372.95612.4355
Cl51.79682.73112.43552.95614.4253
Cl62.73111.79682.95612.43554.4253

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 125.797 C1 C2 Cl6 120.472
C2 C1 H3 125.797 C2 C1 Cl5 120.472
H3 C1 Cl5 113.730 H4 C2 Cl6 113.730
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.227      
2 C -0.227      
3 H 0.286      
4 H 0.286      
5 Cl -0.059      
6 Cl -0.059      


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 -38.825 5.636 0.000
y 5.636 -37.986 0.000
z 0.000 0.000 -38.048
Traceless
 xyz
x -0.808 5.636 0.000
y 5.636 0.450 0.000
z 0.000 0.000 0.357
Polar
3z2-r20.715
x2-y2-0.839
xy5.636
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.013 -3.363 0.000
y -3.363 7.744 0.000
z 0.000 0.000 1.695


<r2> (average value of r2) Å2
<r2> 100.915
(<r2>)1/2 10.046