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

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 C2V 1A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-996.402000
Energy at 298.15K-996.404086
HF Energy-995.828608
Nuclear repulsion energy183.651669
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 A1 3252 3105        
2 A1 1655 1580        
3 A1 1247 1191        
4 A1 732 699        
5 A1 169 162        
6 A2 883 843        
7 A2 411 393        
8 B1 719 686        
9 B2 3232 3085        
10 B2 1357 1296        
11 B2 886 846        
12 B2 580 554        

Unscaled Zero Point Vibrational Energy (zpe) 7561.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 7219.8 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
0.38773 0.08127 0.06719

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 0.962
C2 0.000 -0.671 0.962
H3 0.000 1.220 1.900
H4 0.000 -1.220 1.900
Cl5 0.000 1.664 -0.451
Cl6 0.000 -1.664 -0.451

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.34151.08682.11051.72702.7288
C21.34152.11051.08682.72881.7270
H31.08682.11052.43992.39223.7205
H42.11051.08682.43993.72052.3922
Cl51.72702.72882.39223.72053.3278
Cl62.72881.72703.72052.39223.3278

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 120.353 C1 C2 Cl6 125.106
C2 C1 H3 120.353 C2 C1 Cl5 125.106
H3 C1 Cl5 114.541 H4 C2 Cl6 114.541
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability