Hückel or Huckel may refer to:
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Erich Hückel
Erich Armand Arthur Joseph Hückel (August 9, 1896, Berlin – February 16, 1980, Marburg) was a German physicist and physical chemist. He is mainly known for the Debye–Hückel theory of electrolytic solutions and the Hückel method of approx ...
(1896-1980), German physicist and chemist
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Debye–Hückel equation (named after Peter Debye and Erich Hückel), in chemistry, a method of calculating activity coefficients
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Hückel method
The Hückel method or Hückel molecular orbital theory, proposed by Erich Hückel in 1930, is a simple LCAO MO Method, method for calculating molecular orbitals as linear combinations of atomic orbitals. The theory predicts the molecular orbitals f ...
(named after Erich Hückel), a method for the determination of energies of molecular orbitals
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Extended Hückel method
The extended Hückel method is a semiempirical quantum chemistry method, developed by Roald Hoffmann since 1963. It is based on the Hückel method but, while the original Hückel method only considers pi orbitals, the extended method also includes ...
, considers also sigma orbitals (whereas the original Hückel method only considers pi orbitals)
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Hückel's rule
In organic chemistry, Hückel's rule predicts that a planar ring molecule will have aromatic properties if it has 4''n'' + 2 π-electrons, where ''n'' is a non-negative integer. The quantum mechanical basis for its formulation was f ...
(named after Erich Hückel), a method of determining aromaticity in organic molecules
* (1895-1973), German chemist
* (born 1936), German diplomat, Ambassador of the GDR in Chad
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