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

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-996.373592
Energy at 298.15K-996.375483
HF Energy-995.829577
Nuclear repulsion energy175.648901
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 MP2=FULL/6-31G*
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 3295 3105 0.00      
2 Ag 1677 1580 0.00      
3 Ag 1346 1269 0.00      
4 Ag 898 847 0.00      
5 Ag 363 342 0.00      
6 Au 955 900 67.51      
7 Au 221 208 0.50      
8 Bg 784 739 0.00      
9 Bu 3292 3101 14.37      
10 Bu 1281 1207 17.23      
11 Bu 873 822 107.83      
12 Bu 247 232 3.71      

Unscaled Zero Point Vibrational Energy (zpe) 7615.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 7175.4 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 MP2=FULL/6-31G*
ABC
1.76662 0.05126 0.04982

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.000
C2 0.000 -0.667 0.000
H3 0.904 1.264 0.000
H4 -0.904 -1.264 0.000
Cl5 -1.469 1.568 0.000
Cl6 1.469 -1.568 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33361.08302.13151.72332.6743
C21.33362.13151.08302.67431.7233
H31.08302.13153.10712.39202.8875
H42.13151.08303.10712.88752.3920
Cl51.72332.67432.39202.88754.2971
Cl62.67431.72332.88752.39204.2971

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 123.440 C1 C2 Cl6 121.534
C2 C1 H3 123.440 C2 C1 Cl5 121.534
H3 C1 Cl5 115.026 H4 C2 Cl6 115.026
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability