2,3,5,6-Tetrachlorocyclohexa-2,5-diene-1,4-dione (C6Cl4O2) - #1592

CAM-B3LYP def2-TZVP q = 0 2S+1 = 1

REAL SPACE

MOMENTUM SPACE (Ekin = 30 eV)

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ORBITALS Orbitals Excitons

LUMO+2 Ag 0 0.564 eV
LUMO+1 Au 0 -0.342 eV
LUMO ● B3g 0 -3.111 eV
HOMO ● B2g 2 -9.291 eV
HOMO-1 B1u 2 -9.922 eV
HOMO-2 B1g 2 -10.209 eV
HOMO-3 B3u 2 -10.566 eV
HOMO-4 B1g 2 -10.875 eV
HOMO-5 B2u 2 -11.121 eV

Calculation


XC Functional CAM-B3LYP

Basis Set def2-TZVP

Charge 0.0

Spin 0.0

Total Energy [eV] -60397.43

Code Orca 6.1.1

Author Dominik Brandstetter

Date 2026-09-09 11:17:36

Added 2026-09-10 21:01:28

Legacy ID None

System


Full Name 2,3,5,6-Tetrachlorocyclohexa-2,5-diene-1,4-dione

Short Name chloranil

PubChem CID 8371

Formula C6Cl4O2

Mass 245.9 u

Point Group D2h

Orientation xy

Aliases 1,4-Benzoquinone, 2,3,5,6-tetrachloro-
2,3,5,6-tetrachloro-[1,4]benzoquinone
2,5-Cyclohexadiene-1,4-dione, 2,3,5,6-tetrachloro-
p-Benzoquinone, 2,3,5,6-tetrachloro-
Reranil
Spergon
Tetrachloro 1,4 benzoquinone
Vulklor

Geometry


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Broadening
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ID XC Functional Basis Set Code Charge Spin Casida Legacy
1592 CAM-B3LYP def2-TZVP Orca 0.0 0.0 ✓

Input File

Output File

Coefficients

Serving Binaries

Transition Matrix

ENERGY SPECTRUM