- valence bond
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A bond formed between one or more pairs of electrons in the valence shell of two or more atoms
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valence bond
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valence bond — kovalentinis ryšys statusas T sritis chemija apibrėžtis Ryšys, atsirandantis dėl kelių atomų valentinių elektronų orbitalių sanklotos. atitikmenys: angl. covalent bond; valence bond rus. атомная связь; ковалентная связь ryšiai: sinonimas –… … Chemijos terminų aiškinamasis žodynas
Valence bond theory — In chemistry, valence bond theory explains the nature of a chemical bond in a molecule in terms of atomic valencies. [Murrel, JN, Kettle, SF Tedder, JM The Chemical Bond , John Wiley Sons (1985) ISBN 0 471 90759 6] Valence bond theory summarizes… … Wikipedia
Valence bond codes — VB computer programs for modern valence bond calculations: * CRUNCH is by Gordon A. Gallup and his group. [ [http://phy ggallup.unl.edu/crunch CRUNCH] ] * GAMESS (UK) includes calculation of VB wave functions by the TURTLE code, due to J.H. van… … Wikipedia
valence-bond structure — valentinių ryšių sandara statusas T sritis fizika atitikmenys: angl. valence bond structure vok. Valenzstruktur, f rus. структура валентных связей, f pranc. structure des liaisons de valence, f … Fizikos terminų žodynas
valence-bond method — valentinių ryšių metodas statusas T sritis chemija apibrėžtis Kvantinės chemijos metodas, pagrįstas teiginiu, kad junginio elektronų, lokalizuotų cheminiuose ryšiuose, kiekviename ryšyje yra po du. atitikmenys: angl. valence bond method rus.… … Chemijos terminų aiškinamasis žodynas
valence bond method — valentinių ryšių metodas statusas T sritis fizika atitikmenys: angl. valence bond method; VB method vok. Valenzbindungsmethode, f; VB Methode, f rus. ВС метод, m; метод валентных связей, m pranc. méthode à liaison des valences, f; méthode des… … Fizikos terminų žodynas
Valence-Bond-Methode — Va|lence Bọnd Me|tho|de [ veɪləns ; engl. valence = Valenz u. bond = Bindung]; Abk.: VB Methode; Syn.: Valenzstrukturmethode, HLSP Methode: eine quantenchem. Betrachtungsweise der chemischen Bindung, die davon ausgeht, dass eine ↑ Atombindung… … Universal-Lexikon
Modern valence bond theory — is the term used to describe applications of valence bond theory with computer programs that are competitive in accuracy and economy with programs for the Hartree Fock method and other molecular orbital based methods. The latter methods dominated … Wikipedia
Generalized valence bond — The generalized valence bond (GVB) method is one of the simplest and oldest valence bond method that uses flexible orbitals in the general way used by modern valence bond theory. The method was developed by the group of William A. Goddard, III… … Wikipedia
Valence — may refer to:In molecules, atoms, or subatomic particles* Valence (chemistry) * Valence bond theory in chemistry * Valence shell in chemistry * Valence band in physics * Valence quarks (see quark model) in particle physics In other sciences*… … Wikipedia
