Heptacene (C30H18) - #1062

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

REAL SPACE

MOMENTUM SPACE (Ekin = 30 eV)

ORBITALS

LUMO+3 B1u 0 0.321 eV
LUMO+2 Au 0 0.152 eV
LUMO+1 B3g 0 -0.893 eV
LUMO B1u 0 -2.210 eV
HOMO B2g 2 -5.549 eV
HOMO-1 Au 2 -6.760 eV
HOMO-2 B3g 2 -7.807 eV
HOMO-3 B2g 2 -7.884 eV
HOMO-4 B1u 2 -8.789 eV
HOMO-5 Au 2 -8.835 eV

Calculation


XC Functional CAM-B3LYP

Basis Set def2-TZVP

Charge 0.0

Spin 0.0

Total Energy [eV] -31388.94

Code Orca 6.1.0

Author Peter Puschnig

Date 2025-06-10 16:02:51

Added 2026-08-21 07:45:51

Legacy ID None

System


Full Name Heptacene

Short Name 7A

Formula C30H18

Mass 378.5 u

Point Group D2h

Orientation yx

Further Reading

Further Reading Heptacene

  1. Demonstrating the Impact of the Adsorbate Orientation on the Charge Transfer at Organic-Metal Interfaces

    T. G. Boné, A. Windischbacher, M. S. Saẗtele, K. Greulich, L. Egger, T. Jauk, F. Lackner, H. F. Bettinger, H. Peisert, T. Chassé, M. G. Ramsey, M. Sterrer, G. Koller, and P. Puschnig

    J. Phys. Chem. C 125, 9129 (2021)

  2. Going beyond Pentacene: Photoemission Tomography of a Heptacene Monolayer on Ag(110)

    M. S. Sättele, A. Windischbacher, L. Egger, A. Haags, P. Hurdax, H. Kirschner, A. Gottwald, M. Richter, F. C. Bocquet, S. Soubatch, F. S. Tautz, H. F. Bettinger, H. Peisert, T. Chassé, M. G. Ramsey, P. Puschnig, and G. Koller

    J. Phys. Chem. C 125, 2918 (2021)

  3. Orientation, electronic decoupling and band dispersion of heptacene on modified and nanopatterned copper surfaces

    T. Bone, A. Windischbacher, L. Scheucher, F. Presel, P. Schnabl, M. S. Wagner, H. F. Bettinger, H. Peisert, T. Chasse, P. Puschnig, M. G. Ramsey, M. Sterrer, and G. Koller

    Journal of Physics: Condensed Matter 35, 475003 (2023)

Geometry


Substrate

Light


Energy Mode
Polarization
Handedness

Momentum Space


k-Path


Detector


Real Space


Spectrum


Broadening
Energy Axis
Peak Scaling

Units


Energy Unit

Atoms


Visibility


Orbital


Intensity Scale
Lobe Colours
Density

Scene


Hemisphere
ID XC Functional Basis Set Code Charge Spin Casida Legacy
20 B3LYP 6-31G* NWChem 0.0 0.0 13
168 6-31G* NWChem -1.0 0.5 167
509 6-31G* NWChem 0.0 1.0 520
735 cc-pVTZ NWChem 0.0 0.0
866 cc-pVTZ Orca 0.0 0.0
1062 CAM-B3LYP def2-TZVP Orca 0.0 0.0
102 HSE06 6-31G* NWChem 0.0 0.0 100
143 OT-RSH 6-31G* NWChem 0.0 0.0 141
61 PBE 6-31G* NWChem 0.0 0.0 58
596 PBE0 6-31G* NWChem 0.0 0.0 609
636 6-31G* NWChem 0.0 0.0 650

Input File

Output File

Coefficients

Serving Binaries

Transition Matrix

ENERGY SPECTRUM