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- W2091006979 abstract "The free‐electron model for conjugated systems is consistently developed as the limiting case of a three‐dimensional quantum‐mechanical treatment of the π electrons in such systems. Joint conditions (for branching points) and boundary conditions (for free end points) are derived and the hermiticity of the Hamiltonian is shown. A matrix formulation of the theory is established which makes the application to large systems feasible, and at the same time leads to a close analogy with the LCAO model (LCAO MO treatment considering only nearest neighbor interactions). Quantities analogous to the quantities q (the charge in an atomic orbital) and p (the bond order) are defined, and special attention is given to alternant conjugated systems for which a population theorem, analogous to the one in LCAO theory, is valid." @default.
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- W2091006979 title "Free‐Electron Network Model for Conjugated Systems. I. Theory" @default.
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- W2091006979 doi "https://doi.org/10.1063/1.1699299" @default.
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