Maleic anhydride (C4H2O3) - #1029

B3LYP cc-pVTZ q = 0 2S+1 = 1

REAL SPACE

MOMENTUM SPACE (Ekin = 30 eV)

ORBITALS

LUMO+3 A2 0 1.045 eV
LUMO+2 A1 0 0.906 eV
LUMO+1 B2 0 0.354 eV
LUMO A2 0 -3.400 eV
HOMO B1 2 -8.428 eV
HOMO-1 A1 2 -9.183 eV
HOMO-2 B2 2 -9.321 eV
HOMO-3 B2 2 -9.737 eV
HOMO-4 A1 2 -11.697 eV
HOMO-5 A2 2 -11.921 eV

Calculation


XC Functional B3LYP

Basis Set cc-pVTZ

Charge 0.0

Spin 0.0

Total Energy [eV] -10324.94

Code NWChem 7.3.1

Author Amir Kleiner

Date 2026-08-17 13:37:59

Added 2026-08-19 08:28:33

Legacy ID None

System


Full Name Maleic anhydride

Short Name MAD

Formula C4H2O3

Mass 98.1 u

Point Group C2v

Orientation xy

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
1029 B3LYP cc-pVTZ NWChem 0.0 0.0

Input File

Output File

Coefficients

Serving Binaries

ENERGY SPECTRUM