Nobel prize winners Hoffmann

Woodward and Roald Hoffmann, Nobel prize winners for their work, formulated the theoretical rules involving the correlation of orbital symmetry, which govern the Diels-Alder and other electrocyclic reactions. 

Nobel Prize Winner Prof. Roald Hoffmann forewarding a recently published book by Dronskowski [1] on computational chemistry of solid-state materials wrote that one is unhkely to understand new materials with novel properties if one is wearing purely chemical or physical bhnkers. He prefers a coupled approach - a chemical understanding of bonding merged with a deep physical description. The quantum chemistry of sohds can be considered as a realization of such a coupled approach. 

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