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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-996.343733
Energy at 298.15K-996.345617
HF Energy-995.829485
Nuclear repulsion energy175.482616
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 MP2/6-31G*
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 3294 3106 0.00      
2 Ag 1674 1579 0.00      
3 Ag 1346 1269 0.00      
4 Ag 898 847 0.00      
5 Ag 362 341 0.00      
6 Au 952 898 67.52      
7 Au 220 207 0.51      
8 Bg 779 734 0.00      
9 Bu 3290 3102 14.34      
10 Bu 1280 1207 17.45      
11 Bu 872 822 108.39      
12 Bu 246 232 3.75      

Unscaled Zero Point Vibrational Energy (zpe) 7605.0 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 7171.6 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 MP2/6-31G*
ABC
1.76275 0.05117 0.04972

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.374 0.553 0.000
C2 0.374 -0.553 0.000
H3 -1.454 0.531 0.000
H4 1.454 -0.531 0.000
Cl5 0.374 2.106 0.000
Cl6 -0.374 -2.106 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33541.07982.12531.72402.6586
C21.33542.12531.07982.65861.7240
H31.07982.12533.09552.41322.8489
H42.12531.07983.09552.84892.4132
Cl51.72402.65862.41322.84894.2776
Cl62.65861.72402.84892.41324.2776

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 122.930 C1 C2 Cl6 120.153
C2 C1 H3 122.930 C2 C1 Cl5 120.153
H3 C1 Cl5 116.916 H4 C2 Cl6 116.916
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability