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Cristalografia cu raze X×Analiza câmpului ligand×Analiza Stereochimică×
DomeniuChimieChimieChimie
FamilieProcess / pipelineProcess / pipelineProcess / pipeline
Anul apariției19121960s1966
Autorul originalWilliam Henry Bragg & William Lawrence BraggBrian Norman FiggisCahn, Ingold, & Prelog
TipStructural determination techniqueTheoretical modelNomenclature system
Sursa seminalăBragg, W. H., & Bragg, W. L. (1913). The reflection of X-rays by crystals. Proceedings of the Royal Society of London, 88(605), 428–438. DOI ↗Figgis, B. N. (1966). Introduction to Ligand Fields. Interscience Publishers. ISBN: 978-0471257356Cahn, R. S., Ingold, C., & Prelog, V. (1966). Specification of molecular chirality. Angewandte Chemie International Edition, 5(4), 385–415. DOI ↗
Denumiri alternativeX-ray diffraction, crystallography, single-crystal X-rayligand field, LFT, ligand field theorystereochemical analysis, configuration assignment, chirality analysis
Înrudite333
RezumatX-ray crystallography is a technique that determines the three-dimensional atomic structure of crystals by analyzing the diffraction patterns produced when X-rays pass through them. Developed by William Henry Bragg and William Lawrence Bragg in 1912, X-ray crystallography has become the gold standard for structure determination in chemistry, biochemistry, and materials science, winning multiple Nobel Prizes for its profound impact.Ligand Field Theory (LFT) is an advanced model of metal-ligand bonding that combines crystal field theory with molecular orbital theory. Developed systematically by Brian Norman Figgis and others from the 1960s onward, LFT provides quantitative predictions of electronic structure, magnetism, spectra, and reactivity of coordination complexes, bridging the gap between qualitative crystal field arguments and rigorous quantum mechanics.Stereochemistry analysis is the systematic study of three-dimensional molecular structures, with emphasis on determining the spatial arrangement of atoms around chiral centers and assigning unambiguous names to stereoisomers. Formalized by Cahn, Ingold, and Prelog in 1966, the CIP (Cahn-Ingold-Prelog) rules provide an objective method for assigning R/S (or E/Z) nomenclature, enabling unambiguous communication of molecular structure.
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ScholarGateCompară metode: X-Ray Crystallography · Ligand Field Analysis · Stereochemistry Analysis. Preluat la 2026-06-20 de pe https://scholargate.app/ro/compare