"Design" in solid-state chemistry based on phase homologies. the concept of structural evolution and the new megaseries A(sub)m[M(sub)1+(sub)ISe(sub)2+I](sub)2m[M(sub)2I+(sub)nSe(sub)2+3I+n]

Article Abstract:

This article discusses the use of homologies theory to systematize the phases of chemical compounds and in the design aspect employed in solid-state chemistry. The method uses homologous "superseries", which generates a variety of compounds with predictable composition and structure. It also enables to identify new phases in new compounds.

Methods, Analysis, Design and construction, Phase transformations (Statistical physics), Phase transitions (Physics), Organic compounds, Solid state chemistry, Organic compound synthesis

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Gas phase studies of the competition between substitution and elimination reactions

Article Abstract:

A variety of substituent effects on the gas phase competition between substitution and elimination, are examined by the approach of using dianions as nucleophiles. In this approach the reaction produces two ionic products, one of which identifies the mechanism.

Science & research, Research, Ionization of gases, Gas ionization, Nucleophiles

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