Dictionary of abbreviations. 2012.

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  • CNDO/2 — CNDO is the abbreviation for Complete Neglect of Differential Overlap. Although CNDO is based on quantum chemistry, it is more specifically one of the first semi empirical quantum chemistry methods. It uses two approximations: *core approximation …   Wikipedia

  • CNDO — [Abk. für engl. complete neglect of differential overlap = vollständige Vernachlässigung differentieller Überlappung]: ein semiempirisches Allvalenz u. Allelektronen LCAO MO Verfahren der Quantenchemie …   Universal-Lexikon

  • CNDO — Complete Neglect of Differential Overlap (Academic & Science » Electronics) * Crescendo Pharmaceuticals Corporation (Business » NASDAQ Symbols) …   Abbreviations dictionary

  • Complete neglect of differencial overlap — La méthode Complete Neglect of Differential Overlap (omission totale du recouvrement différentiel) désignée couramment par son acronyme CNDO, est une des premières méthodes quantiques semi empiriques, bien que basée sur la chimie quantique. Cette …   Wikipédia en Français

  • INDO — stands for Intermediate Neglect of Differential Overlap. It is a semi empirical quantum chemistry method that is a development of the complete neglect of diiferential overlap (CNDO/2) method introduced by John Pople. Like CNDO/2 it uses zero… …   Wikipedia

  • Computational chemistry — is a branch of chemistry that uses principles of computer science to assist in solving chemical problems. It uses the results of theoretical chemistry, incorporated into efficient computer programs, to calculate the structures and properties of… …   Wikipedia

  • John Pople — Infobox Scientist name = John Pople birth date = October 31, 1925 birth place = Burnham on Sea, Somerset, England death date = March 15, 2004 death place = residence = citizenship = nationality = England ethnicity = field = theoretical chemist… …   Wikipedia

  • Extended Huckel method — The extended Hückel method is a semiempirical quantum chemistry method, developed by Roald Hoffmann since 1963. [Hoffmann, R. An Extended Hückel Theory. I. Hydrocarbons. J. Chem. Phys 1963, 39 , 1397 1412. doi|10.1063/1.1734456] It is based on… …   Wikipedia

  • NDDO — stands for neglect of diatomic differential overlap. The formalism was first introduced by John Pople and it is now the basis of most successful semiempirical methods. While INDO added all one centre two electron integrals to the CNDO/2 formalism …   Wikipedia

  • Zero-differential overlap — is an approximation that is used to ignore certain integrals, usually two electron repulsion integrals, in Semi empirical quantum chemistry methods quantum chemistry molecular orbital methods.If the molecular orbitals mathbf{Phi} i are expanded… …   Wikipedia

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