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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-996.401492
Energy at 298.15K-996.403329
HF Energy-995.828970
Nuclear repulsion energy174.616127
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 MP4/6-31G*
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 3252 3105        
2 Ag 1650 1576        
3 Ag 1328 1268        
4 Ag 879 839        
5 Ag 354 338        
6 Au 931 889        
7 Au 215 205        
8 Bg 758 724        
9 Bu 3248 3101        
10 Bu 1263 1206        
11 Bu 849 811        
12 Bu 241 231        

Unscaled Zero Point Vibrational Energy (zpe) 7484.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 7145.9 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 MP4/6-31G*
ABC
1.74861 0.05065 0.04922

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.670 0.000
C2 0.000 -0.670 0.000
H3 0.904 1.272 0.000
H4 -0.904 -1.272 0.000
Cl5 -1.479 1.576 0.000
Cl6 1.479 -1.576 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33981.08652.14241.73492.6894
C21.33982.14241.08652.68941.7349
H31.08652.14243.12182.40312.9057
H42.14241.08653.12182.90572.4031
Cl51.73492.68942.40312.90574.3232
Cl62.68941.73492.90572.40314.3232

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 123.667 C1 C2 Cl6 121.483
C2 C1 H3 123.667 C2 C1 Cl5 121.483
H3 C1 Cl5 114.850 H4 C2 Cl6 114.850
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability