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

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-41.484733
Energy at 298.15K-41.486739
Nuclear repulsion energy52.304834
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-121G*
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 3420 3089 0.00      
2 Ag 1789 1617 0.00      
3 Ag 1412 1276 0.00      
4 Ag 925 836 0.00      
5 Ag 375 339 0.00      
6 Au 1039 939 81.77      
7 Au 232 209 0.64      
8 Bg 888 802 0.00      
9 Bu 3414 3084 16.39      
10 Bu 1329 1200 29.80      
11 Bu 887 802 156.62      
12 Bu 254 229 4.98      

Unscaled Zero Point Vibrational Energy (zpe) 7982.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 7211.1 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-121G*
ABC
1.78376 0.05084 0.04943

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.659 0.000
C2 0.000 -0.659 0.000
H3 0.887 1.263 0.000
H4 -0.887 -1.263 0.000
Cl5 -1.488 1.563 0.000
Cl6 1.488 -1.563 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.31741.07312.11651.74172.6743
C21.31742.11651.07312.67431.7417
H31.07312.11653.08652.39412.8895
H42.11651.07313.08652.88952.3941
Cl51.74172.67432.39412.88954.3168
Cl62.67431.74172.88952.39414.3168

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 124.276 C1 C2 Cl6 121.283
C2 C1 H3 124.276 C2 C1 Cl5 121.283
H3 C1 Cl5 114.441 H4 C2 Cl6 114.441
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 C -0.133      
3 H 0.262      
4 H 0.262      
5 Cl -0.128      
6 Cl -0.128      


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 -36.382 3.590 0.000
y 3.590 -36.284 0.000
z 0.000 0.000 -37.650
Traceless
 xyz
x 0.585 3.590 0.000
y 3.590 0.732 0.000
z 0.000 0.000 -1.317
Polar
3z2-r2-2.635
x2-y2-0.098
xy3.590
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.182 -2.565 0.000
y -2.565 8.424 0.000
z 0.000 0.000 3.434


<r2> (average value of r2) Å2
<r2> 96.422
(<r2>)1/2 9.819