4-Methylbenzo[a]pyrene (C21H14) - excitons of #1349

CAM-B3LYP def2-TZVP 60 roots q = 0

TRANSITIONS

MOMENTUM SPACE (Ekin = 30 eV)

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EXCITONS / HOLES Orbitals Excitons

▸ S1 A' 0.319 3.744 eV
▸ S2 A' 0.099 3.827 eV
▸ S3 A' 0.027 4.685 eV
▸ S4 A' 0.024 4.914 eV
▸ S5 A' 0.513 4.974 eV
▸ S6 A' 0.293 5.159 eV
▸ S7 A' 0.101 5.300 eV
▸ S8 A' 0.253 5.346 eV
▸ S9 A' 1.248 5.455 eV
▸ S10 A' 0.071 5.720 eV
▸ S11 A' 0.033 5.985 eV
▸ S12 A' 0.312 6.262 eV
▸ S13 A' 0.011 6.376 eV
▸ S14 A" 0.000 6.410 eV
▸ S15 A' 0.085 6.469 eV
▸ S16 A' 0.034 6.559 eV
▸ S17 A' 0.063 6.575 eV
▸ S18 A" 0.002 6.579 eV
▸ S19 A" 0.000 6.695 eV
▸ S20 A" 0.001 6.748 eV
▸ S21 A' 0.722 6.780 eV
▸ S22 A' 0.356 6.788 eV
▸ S23 A" 0.000 6.803 eV
▸ S24 A' 0.010 6.897 eV
▸ S25 A' 0.363 7.067 eV
▸ S26 A" 0.002 7.111 eV
▸ S27 A" 0.000 7.116 eV
▸ S28 A' 0.022 7.249 eV
▸ S29 A" 0.001 7.260 eV
▸ S30 A" 0.000 7.281 eV
▸ S31 A' 0.531 7.364 eV
▸ S32 A" 0.000 7.445 eV
▸ S33 A' 0.070 7.485 eV
▸ S34 A" 0.001 7.563 eV
▸ S35 A" 0.000 7.592 eV
▸ S36 A' 0.051 7.635 eV
▸ S37 A' 0.101 7.647 eV
▸ S38 A" 0.005 7.662 eV
▸ S39 A" 0.000 7.722 eV
▸ S40 A" 0.000 7.740 eV
▸ S41 A' 0.063 7.799 eV
▸ S42 A" 0.004 7.819 eV
▸ S43 A" 0.000 7.830 eV
▸ S44 A" 0.000 7.855 eV
▸ S45 A' 0.569 7.875 eV
▸ S46 A" 0.003 7.921 eV
▸ S47 A' 0.016 7.981 eV
▸ S48 A" 0.000 7.982 eV
▸ S49 A' 0.135 8.036 eV
▸ S50 A" 0.000 8.104 eV
▸ S51 A' 0.147 8.133 eV
▸ S52 A" 0.001 8.137 eV
▸ S53 A' 0.036 8.177 eV
▸ S54 A" 0.000 8.184 eV
▸ S55 A" 0.003 8.228 eV
▸ S56 A" 0.003 8.255 eV
▸ S57 A' 0.407 8.266 eV
▸ S58 A" 0.000 8.340 eV
▸ S59 A" 0.000 8.350 eV
▸ S60 A" 0.006 8.389 eV

Calculation


XC Functional CAM-B3LYP

Basis Set def2-TZVP

Charge 0.0

Spin 0.0

Total Energy [eV] -21993.09

Code Orca 6.1.1

Author Dominik Brandstetter

Date 2026-09-09 14:17:31

Added 2026-09-10 20:04:33

Legacy ID None

System


Full Name 4-Methylbenzo[a]pyrene

Short Name 4-methylbenzo[a]pyrene

PubChem CID 28038

Formula C21H14

Mass 266.3 u

Point Group Cs

Orientation xy

Aliases 4-methyl-benzo[a]pyrene
4-Methylbenzo[a]pyren
4-Methylbenzo[pqr]tetraphene
Benzo(a)pyrene, 4-methyl-
Benzo[a]pyrene, 4-methyl-

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
1349 CAM-B3LYP def2-TZVP Orca 0.0 0.0 ✓

Input File

Output File

Coefficients

Serving Binaries

Transition Matrix

ABSORPTION SPECTRUM