Pyrazino[1,2-a:4,3-a']diindole-6,7,13,14-tetrone (C18H8N2O4) - excitons of #1493

CAM-B3LYP def2-TZVP 60 roots q = 0

TRANSITIONS

MOMENTUM SPACE (Ekin = 30 eV)

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EXCITONS / HOLES Orbitals Excitons

▸ S1 B1 0.000 3.078 eV
▸ S2 B2 0.306 3.613 eV
▸ S3 A2 0.000 3.617 eV
▸ S4 A1 0.060 3.888 eV
▸ S5 B1 0.001 4.338 eV
▸ S6 A1 0.163 4.558 eV
▸ S7 B2 0.133 4.659 eV
▸ S8 A1 0.046 4.803 eV
▸ S9 B2 0.024 4.877 eV
▸ S10 A2 0.000 4.884 eV
▸ S11 A2 0.000 5.158 eV
▸ S12 B2 0.967 5.311 eV
▸ S13 A1 0.033 5.331 eV
▸ S14 A2 0.000 5.457 eV
▸ S15 B2 0.028 5.640 eV
▸ S16 A1 0.017 5.818 eV
▸ S17 B1 0.000 5.893 eV
▸ S18 A1 0.033 5.994 eV
▸ S19 B1 0.000 6.058 eV
▸ S20 A2 0.000 6.071 eV
▸ S21 B2 0.678 6.139 eV
▸ S22 B2 0.061 6.200 eV
▸ S23 B1 0.000 6.514 eV
▸ S24 A1 0.011 6.516 eV
▸ S25 B2 0.001 6.551 eV
▸ S26 A1 0.068 6.712 eV
▸ S27 B2 0.047 6.767 eV
▸ S28 A1 0.070 6.836 eV
▸ S29 B1 0.000 6.844 eV
▸ S30 A1 0.032 6.985 eV
▸ S31 A2 0.000 7.017 eV
▸ S32 B1 0.011 7.051 eV
▸ S33 B1 0.003 7.116 eV
▸ S34 B2 0.211 7.177 eV
▸ S35 A2 0.000 7.225 eV
▸ S36 B1 0.000 7.244 eV
▸ S37 B1 0.000 7.312 eV
▸ S38 A1 0.071 7.352 eV
▸ S39 A1 0.030 7.415 eV
▸ S40 B2 0.000 7.445 eV
▸ S41 A2 0.000 7.516 eV
▸ S42 A2 0.000 7.528 eV
▸ S43 B1 0.000 7.546 eV
▸ S44 B2 0.193 7.576 eV
▸ S45 A2 0.000 7.582 eV
▸ S46 A1 0.252 7.709 eV
▸ S47 B2 0.076 7.731 eV
▸ S48 A2 0.000 7.834 eV
▸ S49 B1 0.003 7.899 eV
▸ S50 A2 0.000 7.905 eV
▸ S51 A1 0.874 7.980 eV
▸ S52 B1 0.006 7.999 eV
▸ S53 A2 0.000 8.019 eV
▸ S54 A1 0.023 8.023 eV
▸ S55 B2 0.004 8.024 eV
▸ S56 A1 0.131 8.070 eV
▸ S57 A2 0.000 8.088 eV
▸ S58 B2 0.318 8.109 eV
▸ S59 B2 0.001 8.229 eV
▸ S60 B2 0.036 8.242 eV

Calculation


XC Functional CAM-B3LYP

Basis Set def2-TZVP

Charge 0.0

Spin 0.0

Total Energy [eV] -29952.85

Code Orca 6.1.1

Author Dominik Brandstetter

Date 2026-09-09 20:56:29

Added 2026-09-10 20:37:14

Legacy ID None

System


Full Name Pyrazino[1,2-a:4,3-a']diindole-6,7,13,14-tetrone

Short Name CID14740880

PubChem CID 14740880

Formula C18H8N2O4

Mass 316.3 u

Point Group C2v

Orientation yz

Aliases 10,13-diazapentacyclo[11.7.0.0^{2,10}.0^{4,9}.0^{14,19}]icosa-1,4,6,8,14,16,18-heptaene-3,11,12,20-tetrone

Geometry


Substrate

Light


Energy Mode
Polarization
Handedness

Momentum Space


k-Path


Detector


Real Space


Spectrum


Broadening

Units


Energy Unit

Atoms


Visibility


Orbital


Intensity Scale
Lobe Colours
Density

Scene


Hemisphere

Composition


Hole Position


ID XC Functional Basis Set Code Charge Spin Casida Legacy
1493 CAM-B3LYP def2-TZVP Orca 0.0 0.0 ✓

Input File

Output File

Coefficients

Serving Binaries

Transition Matrix

ABSORPTION SPECTRUM