7,8-Dihydro-7,8-epoxybenzo[a]pyrene (C20H12O) - excitons of #1521

CAM-B3LYP def2-TZVP 60 roots q = 0

TRANSITIONS

MOMENTUM SPACE (Ekin = 30 eV)

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EXCITONS / HOLES Orbitals Excitons

▸ S1 — 0.424 3.840 eV
▸ S2 — 0.250 3.909 eV
▸ S3 — 0.011 4.640 eV
▸ S4 — 0.236 4.992 eV
▸ S5 — 0.136 5.023 eV
▸ S6 — 0.026 5.275 eV
▸ S7 — 0.364 5.447 eV
▸ S8 — 0.081 5.542 eV
▸ S9 — 0.067 5.689 eV
▸ S10 — 0.886 5.721 eV
▸ S11 — 0.010 5.763 eV
▸ S12 — 0.088 6.154 eV
▸ S13 — 0.420 6.294 eV
▸ S14 — 0.002 6.369 eV
▸ S15 — 0.006 6.449 eV
▸ S16 — 0.045 6.550 eV
▸ S17 — 0.009 6.597 eV
▸ S18 — 0.015 6.612 eV
▸ S19 — 0.001 6.675 eV
▸ S20 — 0.002 6.763 eV
▸ S21 — 0.036 6.864 eV
▸ S22 — 0.010 6.878 eV
▸ S23 — 0.315 6.960 eV
▸ S24 — 0.875 6.973 eV
▸ S25 — 0.122 7.027 eV
▸ S26 — 0.049 7.125 eV
▸ S27 — 0.063 7.190 eV
▸ S28 — 0.089 7.209 eV
▸ S29 — 0.009 7.329 eV
▸ S30 — 0.014 7.393 eV
▸ S31 — 0.003 7.415 eV
▸ S32 — 0.008 7.440 eV
▸ S33 — 0.004 7.462 eV
▸ S34 — 0.145 7.489 eV
▸ S35 — 0.442 7.584 eV
▸ S36 — 0.007 7.620 eV
▸ S37 — 0.128 7.713 eV
▸ S38 — 0.042 7.722 eV
▸ S39 — 0.029 7.794 eV
▸ S40 — 0.003 7.812 eV
▸ S41 — 0.008 7.866 eV
▸ S42 — 0.017 7.894 eV
▸ S43 — 0.112 7.907 eV
▸ S44 — 0.036 7.919 eV
▸ S45 — 0.077 7.965 eV
▸ S46 — 0.087 7.975 eV
▸ S47 — 0.039 8.008 eV
▸ S48 — 0.061 8.035 eV
▸ S49 — 0.017 8.057 eV
▸ S50 — 0.035 8.131 eV
▸ S51 — 0.017 8.193 eV
▸ S52 — 0.078 8.220 eV
▸ S53 — 0.080 8.254 eV
▸ S54 — 0.100 8.273 eV
▸ S55 — 0.099 8.311 eV
▸ S56 — 0.163 8.361 eV
▸ S57 — 0.043 8.383 eV
▸ S58 — 0.004 8.410 eV
▸ S59 — 0.008 8.434 eV
▸ S60 — 0.002 8.457 eV

Calculation


XC Functional CAM-B3LYP

Basis Set def2-TZVP

Charge 0.0

Spin 0.0

Total Energy [eV] -22969.17

Code Orca 6.1.1

Author Dominik Brandstetter

Date 2026-09-09 14:19:02

Added 2026-09-10 20:45:09

Legacy ID None

System


Full Name 7,8-Dihydro-7,8-epoxybenzo[a]pyrene

Short Name CID37455

PubChem CID 37455

Formula C20H12O

Mass 268.3 u

Point Group C1

Orientation xy

Aliases 6-oxahexacyclo[11.6.2.0^{2,8}.0^{5,7}.0^{10,20}.0^{17,21}]henicosa-1(20),2(8),3,9,11,13(21),14,16,18-nonaene
6b,7a-dihydrobenzo[1,12]tetrapheno[8,9-b]oxirene
6b,7a-Dihydrobenzo[10,11]chryseno[1,2-b]oxirene
6B,7a-dihydrobenzo[12,1]tetrapheno[8,9-b]oxirene
7,8-Epoxy-7,8-dihydrobenzo[a]pyrene
Benzo(a)pyrene, 7,8-dihydro-7,8-epoxy-
Benzo[a]pyrene, 7,8-dihydro-7,8-epoxy-

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
1521 CAM-B3LYP def2-TZVP Orca 0.0 0.0 ✓

Input File

Output File

Coefficients

Serving Binaries

Transition Matrix

ABSORPTION SPECTRUM