Theoretical study of the structure of molecules of alkali metal acetylenides and carbides

Autor:	N. M. Vitkovskaya, Boris A. Trofimov, T. É. Moskovskaya, V. G. Zakzhevskii
Rok vydání:	1987
Předmět:	Inorganic chemistry General Chemistry Alkali metal Carbide Metal Crystallography chemistry.chemical_compound Nucleophile Acetylene chemistry visual_art Atom visual_art.visual_art_medium Molecule Reactivity (chemistry)
Zdroj:	Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 36:2575-2579
ISSN:	1573-9171 0568-5230
DOI:	10.1007/bf00957237
Popis:	1. According to data from nonempirical calculations, the reactivity of alkali metal acetylenide molecules toward electrophilic and nucleophilic reagents increases relative to the acetylene molecule. 2. The vinylidene forms MHC=C rearrange to MC=CH in a barrier-free manner as a result of migration of the alkali metal atom. Acetylenides are structurally nonrigid molecules due to the quasifree motion of the alkali metal atom (but not of the H atom). 3. The nonrigidity of the alkali metal carbide molecules is connected with the possibility of synchronous shift of the metal atoms.
Databáze:	OpenAIRE
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