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

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-996.686517
Energy at 298.15K-996.688632
HF Energy-995.934858
Nuclear repulsion energy185.009259
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/aug-cc-pVTZ
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 3256 3134 0.88      
2 A1 1677 1614 29.76      
3 A1 1217 1172 0.14      
4 A1 732 704 17.38      
5 A1 169 162 0.29      
6 A2 905 871 0.00      
7 A2 415 399 0.00      
8 B1 719 692 50.70      
9 B2 3231 3110 14.27      
10 B2 1334 1283 27.83      
11 B2 873 840 64.37      
12 B2 577 556 4.73      

Unscaled Zero Point Vibrational Energy (zpe) 7552.2 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 7268.3 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/aug-cc-pVTZ
ABC
0.38663 0.08330 0.06853

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.983
C2 0.000 -0.666 0.983
H3 0.000 1.208 1.908
H4 0.000 -1.208 1.908
Cl5 0.000 1.613 -0.459
Cl6 0.000 -1.613 -0.459

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.33201.07202.09001.72542.6973
C21.33202.09001.07202.69731.7254
H31.07202.09002.41672.40123.6829
H42.09001.07202.41673.68292.4012
Cl51.72542.69732.40123.68293.2268
Cl62.69731.72543.68292.40123.2268

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 120.394 C1 C2 Cl6 123.302
C2 C1 H3 120.394 C2 C1 Cl5 123.302
H3 C1 Cl5 116.304 H4 C2 Cl6 116.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability