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angle strain

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  • Angle strain — The presence of angle strain in a molecule indicates that in a specific chemical conformation there exist bond angles that deviate from the ideal bond angles required to achieve maximum bond strength. Maximum bond strength results from effective… …   Wikipedia

  • angle strain — kampinis įtempis statusas T sritis chemija apibrėžtis Papildoma molekulės energija, atsirandanti dėl valentinių kampų deformacijos. atitikmenys: angl. angle strain; Baeyer strain rus. баеровское напряжение; угловое напряжение ryšiai: sinonimas –… …   Chemijos terminų aiškinamasis žodynas

  • angle strain — kampinė deformacija statusas T sritis fizika atitikmenys: angl. angle strain; angular deformation vok. Schiebung, f; Schubverformung, f; Winkeländerung, f rus. угловая деформация, f pranc. déformation angulaire, f …   Fizikos terminų žodynas

  • Strain energy — In a molecule, strain energy is released when the constituent atoms are allowed to rearrange themselves in a chemical reaction or a change of chemical conformation in a way that:* angle strain, * torsional strain, * ring strain and/or steric… …   Wikipedia

  • Strain (chemistry) — In chemistry a molecule experiences strain when in a chemical conformation there exist unfavorable bond angles or bond distances. Strain energy is released when the molecule can relax to a conformation with less strain or when the molecule… …   Wikipedia

  • Strain scanning — refers to several diffraction based techniques using X rays and neutrons where the crystalline lattice of a material is, in effect, used as a form of strain gauge. The various methods are derived from powder diffraction but look for the small… …   Wikipedia

  • strain — strain1 strainingly, adv. strainless, adj. strainlessly, adv. /strayn/, v.t. 1. to draw tight or taut, esp. to the utmost tension; stretch to the full: to strain a rope. 2. to exert to the utmost: to strain one s ears to catch a sound. 3. to… …   Universalium

  • Angle Alliance — Infobox Wrestling team article name=The Angle Alliance type=S caption= names=The Angle Alliance Team Tomko members=Kurt Angle (leader) former members=Christian Cage Robert Roode Ms. Brooks Karen Angle AJ Styles Tomko Jeremy Borash heights=… …   Wikipedia

  • Angle of friction — Friction Fric tion, n. [L. frictio, fr. fricare, frictum,to rub: cf. F. friction. See {Fray} to rub, arid cf. {Dentifrice}.] 1. The act of rubbing the surface of one body against that of another; attrition; in hygiene, the act of rubbing the body …   The Collaborative International Dictionary of English

  • Baeyer strain theory — or strain theory explains specific behaviour of chemical compounds in terms of bond angle strain. It was proposed by Adolf von Baeyer in 1885 to account for the unusual chemical reactivity in ring opening reactions of cyclopropanes and… …   Wikipedia

  • Ring strain — is an organic chemistry term that describes the destabilization of a cyclic molecule such as a cycloalkane due to the non favorable high energy spatial orientations of its atoms. Non cyclic molecules do not exhibit ring strain because their… …   Wikipedia

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