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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-996.384230
Energy at 298.15K-996.386101
HF Energy-995.829477
Nuclear repulsion energy174.923465
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3268 3112 0.00      
2 Ag 1694 1613 0.00      
3 Ag 1342 1278 0.00      
4 Ag 889 846 0.00      
5 Ag 358 341 0.00      
6 Au 948 903 63.96      
7 Au 217 207 0.66      
8 Bg 786 749 0.00      
9 Bu 3263 3108 12.11      
10 Bu 1275 1214 19.06      
11 Bu 859 818 101.71      
12 Bu 245 233 3.94      

Unscaled Zero Point Vibrational Energy (zpe) 7571.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 7210.7 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/6-31G*
ABC
1.76131 0.05081 0.04939

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.000
C2 0.000 -0.667 0.000
H3 0.903 1.268 0.000
H4 -0.903 -1.268 0.000
Cl5 -1.477 1.574 0.000
Cl6 1.477 -1.574 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33361.08492.13541.73332.6836
C21.33362.13541.08492.68361.7333
H31.08492.13543.11382.39952.8995
H42.13541.08493.11382.89952.3995
Cl51.73332.68362.39952.89954.3166
Cl62.68361.73332.89952.39954.3166

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 123.673 C1 C2 Cl6 121.552
C2 C1 H3 123.673 C2 C1 Cl5 121.552
H3 C1 Cl5 114.775 H4 C2 Cl6 114.775
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability