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coordination number

noun

, Crystallography.
  1. the number of anions surrounding a single cation in a stable crystal structure.


coordination number

noun

  1. chem the number of coordinated species surrounding the central atom in a complex or crystal
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of coordination number1

First recorded in 1905–10
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Example Sentences

The RDF method, being an isotropic average of a two-body data set, tells us very little quantitatively about the sample—the average nearest neighbor distance, the average coordination number, and the mean density—and it determines these values precisely.

A number called the isoperimetric quotient, which roughly captures a particle's shape based solely on its volume and surface area, and a measure called coordination number, which describes how many close neighbors a particle has, predicted 94 percent of the time which of the crystalline forms a polyhedron would take.

Type, the coordination type; Number, the coordination number; R, interatomic distance; and σ2, the measure of the static disorder of the shell.

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coordination compoundcoordinator