Hückel

Hückel or Huckel may refer to:


 * Erich Hückel (1896-1980), German physicist and chemist
 * Debye–Hückel equation (named after Peter Debye and Erich Hückel), in chemistry, a method of calculating activity coefficients
 * Hückel method (named after Erich Hückel), a method for the determination of energies of molecular orbitals
 * Extended Hückel method, considers also sigma orbitals (whereas the original Hückel method only considers pi orbitals)
 * Hückel's rule (named after Erich Hückel), a method of determining aromaticity in organic molecules
 * Walter Hückel (1895-1973), German chemist
 * Wolfgang Hückel (born 1936), German diplomat, Ambassador of the GDR in Chad