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

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-991.326975
Energy at 298.15K-991.328659
HF Energy-991.018885
Nuclear repulsion energy167.988013
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 QCISD/3-21G
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 3264 3163 0.00      
2 Ag 1656 1605 0.00      
3 Ag 1300 1260 0.00      
4 Ag 752 729 0.00      
5 Ag 315 306 0.00      
6 Au 949 920 90.89      
7 Au 199 193 1.58      
8 Bg 811 786 0.00      
9 Bu 3257 3156 7.07      
10 Bu 1228 1190 27.50      
11 Bu 703 681 75.75      
12 Bu 221 214 5.45      

Unscaled Zero Point Vibrational Energy (zpe) 7327.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 7101.6 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 QCISD/3-21G
ABC
1.67718 0.04673 0.04546

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 0.000
C2 0.000 -0.663 0.000
H3 0.870 1.306 0.000
H4 -0.870 -1.306 0.000
Cl5 -1.608 1.579 0.000
Cl6 1.608 -1.579 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32581.08212.15291.85092.7592
C21.32582.15291.08212.75921.8509
H31.08212.15293.13912.49322.9784
H42.15291.08213.13912.97842.4932
Cl51.85092.75922.49322.97844.5078
Cl62.75921.85092.97842.49324.5078

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 126.486 C1 C2 Cl6 119.670
C2 C1 H3 126.486 C2 C1 Cl5 119.670
H3 C1 Cl5 113.845 H4 C2 Cl6 113.845
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability