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

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-41.977606
Energy at 298.15K-41.979621
HF Energy-41.472985
Nuclear repulsion energy52.895162
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/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 A1 3270 3104 8.94      
2 A1 1651 1568 32.03      
3 A1 1209 1148 0.11      
4 A1 747 709 22.02      
5 A1 164 156 0.29      
6 A2 796 756 0.00      
7 A2 392 372 0.00      
8 B1 700 664 86.87      
9 B2 3237 3073 11.49      
10 B2 1313 1246 28.45      
11 B2 890 845 80.38      
12 B2 568 539 3.14      

Unscaled Zero Point Vibrational Energy (zpe) 7467.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 7089.9 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/CEP-31G*
ABC
0.37913 0.08066 0.06651

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.686 0.973
C2 0.000 -0.686 0.973
H3 0.000 1.237 1.918
H4 0.000 -1.237 1.918
Cl5 0.000 1.668 -0.456
Cl6 0.000 -1.668 -0.456

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.37171.09432.14291.73422.7539
C21.37172.14291.09432.75391.7342
H31.09432.14292.47462.41313.7523
H42.14291.09432.47463.75232.4131
Cl51.73422.75392.41313.75233.3364
Cl62.75391.73423.75232.41313.3364

picture of Ethene, 1,2-dichloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 120.261 C1 C2 Cl6 124.502
C2 C1 H3 120.261 C2 C1 Cl5 124.502
H3 C1 Cl5 115.237 H4 C2 Cl6 115.237
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability