8-Methylbenzo[a]pyrene (C21H14) - excitons of #1421

CAM-B3LYP def2-TZVP 60 roots q = 0

TRANSITIONS

MOMENTUM SPACE (Ekin = 30 eV)

—
—

EXCITONS / HOLES Orbitals Excitons

▸ S1 A' 0.389 3.760 eV
▸ S2 A' 0.023 3.805 eV
▸ S3 A' 0.026 4.608 eV
▸ S4 A' 0.152 4.960 eV
▸ S5 A' 0.605 5.007 eV
▸ S6 A' 0.120 5.142 eV
▸ S7 A' 0.124 5.323 eV
▸ S8 A' 0.167 5.334 eV
▸ S9 A' 1.343 5.430 eV
▸ S10 A' 0.227 5.696 eV
▸ S11 A' 0.061 5.954 eV
▸ S12 A' 0.058 6.286 eV
▸ S13 A' 0.262 6.359 eV
▸ S14 A" 0.000 6.410 eV
▸ S15 A' 0.072 6.439 eV
▸ S16 A' 0.050 6.570 eV
▸ S17 A' 0.049 6.621 eV
▸ S18 A" 0.000 6.646 eV
▸ S19 A" 0.000 6.739 eV
▸ S20 A" 0.000 6.768 eV
▸ S21 A' 0.253 6.781 eV
▸ S22 A' 0.685 6.789 eV
▸ S23 A' 0.011 6.851 eV
▸ S24 A" 0.002 6.867 eV
▸ S25 A' 0.361 7.088 eV
▸ S26 A" 0.001 7.144 eV
▸ S27 A" 0.000 7.169 eV
▸ S28 A' 0.023 7.223 eV
▸ S29 A" 0.000 7.276 eV
▸ S30 A" 0.000 7.296 eV
▸ S31 A' 0.284 7.361 eV
▸ S32 A" 0.000 7.481 eV
▸ S33 A' 0.113 7.487 eV
▸ S34 A" 0.000 7.535 eV
▸ S35 A" 0.000 7.571 eV
▸ S36 A' 0.433 7.578 eV
▸ S37 A" 0.000 7.621 eV
▸ S38 A" 0.001 7.642 eV
▸ S39 A' 0.001 7.689 eV
▸ S40 A" 0.000 7.696 eV
▸ S41 A' 0.194 7.740 eV
▸ S42 A" 0.001 7.768 eV
▸ S43 A" 0.002 7.823 eV
▸ S44 A" 0.000 7.854 eV
▸ S45 A" 0.000 7.858 eV
▸ S46 A' 0.442 7.888 eV
▸ S47 A' 0.122 7.998 eV
▸ S48 A" 0.002 8.007 eV
▸ S49 A" 0.000 8.018 eV
▸ S50 A' 0.048 8.025 eV
▸ S51 A' 0.126 8.038 eV
▸ S52 A" 0.001 8.068 eV
▸ S53 A" 0.000 8.086 eV
▸ S54 A' 0.085 8.194 eV
▸ S55 A" 0.004 8.257 eV
▸ S56 A" 0.001 8.280 eV
▸ S57 A" 0.011 8.291 eV
▸ S58 A' 0.288 8.325 eV
▸ S59 A" 0.000 8.325 eV
▸ S60 A' 0.036 8.372 eV

Calculation


XC Functional CAM-B3LYP

Basis Set def2-TZVP

Charge 0.0

Spin 0.0

Total Energy [eV] -21993.12

Code Orca 6.1.1

Author Dominik Brandstetter

Date 2026-09-09 14:36:20

Added 2026-09-10 20:19:41

Legacy ID None

System


Full Name 8-Methylbenzo[a]pyrene

Short Name 8-methylbenzo(a)pyrene

PubChem CID 44367

Formula C21H14

Mass 266.3 u

Point Group Cs

Orientation xy

Aliases 8-Methylbenz[a]pyrene
8-methylbenzo[pqr]tetraphene
BENZO(a)PYRENE, 8-METHYL-
Benzo[a]pyrene, 8-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
1421 CAM-B3LYP def2-TZVP Orca 0.0 0.0 ✓

Input File

Output File

Coefficients

Serving Binaries

Transition Matrix

ABSORPTION SPECTRUM