Conformational isomerism — Conformers of butane, shown in Newman projection. The two gauche as well as the anti form are staggered conformations In chemistry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted exclusively by… … Wikipedia
conformational isomerism — noun A form of isomerism in which isomers differ in the conformation of the molecule due to rotation of atoms about one or more single bonds … Wiktionary
rotational isomers — konformerai statusas T sritis chemija apibrėžtis Pakankamai pastovios skirtingų konformacijų molekulės. atitikmenys: angl. conformational isomers; conformers; rotational isomers rus. конформационные изомеры; конформеры; поворотные изомеры ryšiai … Chemijos terminų aiškinamasis žodynas
isomerism — /uy som euh riz euhm/, n. 1. Chem. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism), as CH3OCH3 and… … Universalium
Isomer — This article is about the chemical concept. For isomerism of atomic nuclei, see nuclear isomer. In chemistry, isomers (from Greek ἰσομερής, isomerès; isos = equal , méros = part ) are compounds with the same molecular formula but different… … Wikipedia
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
conformation — The spatial arrangement of a molecule achieved by rotation of groups about single covalent bonds, without breaking any covalent bonds; the latter restriction differentiates c. from configuration (as in anomers and related stereoisomers) where a… … Medical dictionary
Molecular graph — In chemical graph theory and in mathematical chemistry, a molecular graph or chemical graph is a representation of the structural formula of a chemical compound in terms of graph theory. A chemical graph is a labeled graph whose vertices… … Wikipedia
Rate equation — The rate law or rate equation for a chemical reaction is an equation that links the reaction rate with concentrations or pressures of reactants and constant parameters (normally rate coefficients and partial reaction orders).[1] To determine the… … Wikipedia
Каликсарены — Рис.1 Каликс[4]арены чашеподобные соединения Каликсарены это макроциклические соединения, продукты циклической олигомеризации фенола с формальдегидом … Википедия
