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Keggin structure

The Keggin structure is the best known structural form for heteropoly acids. It is the structural form of α-Keggin anions, having a general formula of .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output…

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Structure and physical properties

Chemical properties

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Keggin structure

Nodes50
Edges49
Triples47
Avg. degree1.96
Density0.04
Components1

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Keggin structure

Top relations

related to Group 13 cations with the Keggin structure · 10
Keggin structure → Al, Al13, Al13O4, AlO4Al12, Ga13, H2O, Keggin, OH, The, This
related to Lacunary Keggin structures · 8
Keggin structure → Examples, Keggin, Mo, MO6, The, The Dawson, XM11O39, XM9O34
related to Isomerism · 7
Keggin structure → Baker, Figgis, Including, Keggin, Mo3O13, The, These
related to Chemical properties · 5
Keggin structure → Depending, For, Keggin, Some, The
related to Preparation · 4
Keggin structure → For, In, Keggin, The
is a · 2
Keggin structure → best known structural form for heteropoly acids, widely accepted structure for the α-Keggin anions

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Important terminology

structure keggin oxygen atoms α-keggin ion anions octahedra heteroatom acid 12 form central used structural iron tetrahedral anion citation needed

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Keggin structureis abest known structural form for heteropoly acids0.90text
Keggin structureis awidely accepted structure for the α-Keggin anions0.90text
basicities of alkali metal saltsinstance ofThis structure explained many characteristics that were observed0.80text
the hydrated form of some of the saltsinstance ofThis structure explained many characteristics that were observed0.80text
silicotungstic acid are strong enough as an acid as sulfuric acidinstance ofSome anions0.80text
can be used in its place as an acid catalystinstance ofSome anions0.80text
silicotungstic acidinstance ofOther compounds that contain the α-Keggin anion0.80text
phosphomolybdic acid are also commercially available at Aldrich Chemicalsinstance ofOther compounds that contain the α-Keggin anion0.80text
Fisher Chemicalsinstance ofOther compounds that contain the α-Keggin anion0.80text
Alfa Aesarinstance ofOther compounds that contain the α-Keggin anion0.80text
VWR Chemicalinstance ofOther compounds that contain the α-Keggin anion0.80text
American Elementsinstance ofOther compounds that contain the α-Keggin anion0.80text

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