structure isomer

structure isomer
структурный изомер

English-Russian dictionary of chemistre. 2014.

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  • isomer — [ī′sə mər] n. [< Gr isomerēs, equally divided < isos, equal + meros, a part: see MERIT] 1. Chem. any of two or more chemical compounds having the same constituent elements in the same proportion by weight but differing in physical or… …   English World dictionary

  • 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

  • isomer — /uy seuh meuhr/, n. 1. Chem. a compound displaying isomerism with one or more other compounds. 2. Also called nuclear isomer. Physics. a nuclide that exhibits isomerism with one or more other nuclides. [1865 70; back formation from ISOMERIC] * *… …   Universalium

  • isomer — noun /ˈaɪ.sə.mə,ˈaɪ.sə.mɚ/ a) Any of two or more compounds with the same molecular formula but with different structure. b) Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties.… …   Wiktionary

  • isomer —   n. compound of same elements in same proportions by weight as another, but having different structure and properties.    ♦ isomeric, a.    ♦ isomerize, v.t.    ♦ isomerism, n.    ♦ isomerous, a. having same number of parts, peculiarities, etc …   Dictionary of difficult words

  • isomer — 1. Structural isomers have the same chemical formula but different structures; e.g. leucine and isoleucine. 2. Stereoisomers are different topological forms of an otherwise single chemical structure, due to changes in bond configurations about… …   Glossary of Biotechnology

  • Structural isomer — Structural isomerism, or constitutional isomerism (per IUPAC), is a form of isomerism in which molecules with the same molecular formula have bonded together in different orders, as opposed to stereoisomerism.[1] There are multiple synonyms for… …   Wikipedia

  • Protein structure — Proteins are an important class of biological macromolecules present in all biological organisms, made up of such elements as carbon, hydrogen, nitrogen, phosphorus, oxygen, and sulfur. All proteins are polymers of amino acids. The polymers, also …   Wikipedia

  • Keggin structure — is the best known structural form for heteropoly acids. It is the structural form of α–Keggin anions, which have a general formula of [XM12O40] n , where X is the heteroatom (most commonly are P5+, Si4+, or B3+), M is the addenda atom (most… …   Wikipedia

  • Dithiete — Structure of a 1,2 dithiete, where R is an organic group Dithietes are unsaturated heterocyclic compounds that contain two sulfur atoms and two sp2 hybridized carbon centers. Having 6 π electrons, dithietes are aromatic. Two isomers are possible… …   Wikipedia

  • Alkane — Not to be confused with Alkene or Alkyne. Chemical structure of methane, the simplest alkane Alkanes (also known as paraffins or saturated hydrocarbons) are chemical compounds that consist only of hydrogen and carbon atoms and are bonded… …   Wikipedia


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