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

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-996.504462
Energy at 298.15K-996.506344
HF Energy-995.848155
Nuclear repulsion energy175.969970
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(2df,p)
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 3292 3109 0.00      
2 Ag 1646 1555 0.00      
3 Ag 1312 1239 0.00      
4 Ag 880 831 0.00      
5 Ag 360 340 0.00      
6 Au 950 897 49.16      
7 Au 219 207 0.56      
8 Bg 791 748 0.00      
9 Bu 3288 3106 19.62      
10 Bu 1230 1161 19.07      
11 Bu 867 819 109.75      
12 Bu 240 226 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 7537.3 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 7118.9 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(2df,p)
ABC
1.75238 0.05156 0.05009

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.000
C2 0.000 -0.666 0.000
H3 0.899 1.267 0.000
H4 -0.899 -1.267 0.000
Cl5 -1.477 1.552 0.000
Cl6 1.477 -1.552 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33241.08062.13141.72232.6651
C21.33242.13141.08062.66511.7223
H31.08062.13143.10572.39262.8775
H42.13141.08063.10572.87752.3926
Cl51.72232.66512.39262.87754.2852
Cl62.66511.72232.87752.39264.2852

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 123.747 C1 C2 Cl6 120.960
C2 C1 H3 123.747 C2 C1 Cl5 120.960
H3 C1 Cl5 115.292 H4 C2 Cl6 115.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability