The Keggin structure is the best known structural form for heteropoly acids. It is the structural form of α-Keggin anions, which have a general formula...

was characterized by X-ray crystallography 1934. This structure is called the Keggin structure after its discoverer. The 1970's witnessed the introduction...

recur. The Keggin ion for example is common to both molybdates and tungstates with diverse central heteroatoms. The Keggin and Dawson structures have...

(Pauling) The structure was determined by J.F Keggin first published in 1933 and then in 1934 and is generally known as the Keggin structure. The anion has...

of the mixture with hydrochloric acid. The polyoxo cluster adopts a Keggin structure, with Td point group symmetry. Silicotungstic acid is an irritating...

and Laden to show that the material is based on Al13 units with a Keggin ion structure and that this base unit then undergoes complex transformations to...

three missing octahedra. As in Keggin structures, the Dawson structure has an oxyanion at its core. Unlike Keggin structures, there are two such anions,...

Retrieved 2018-10-06. Dias, J. A.; Dias, S. C. L.; Caliman, E. (2014). "Keggin Structure Polyoxometalates". Inorganic Syntheses: Volume 36. Inorganic Syntheses...

silicon and arsenic. The heteropoly-molybdenum blues have structures based on the Keggin structure. The blue colour arises because the near-colourless anion...

José Alves; Dias, Sílvia Cláudia Loureiro; Caliman, Ednéia (2014). "Keggin Structure Polyoxometalates". Inorganic Syntheses: Volume 36. Vol. 36. pp. 210–217...

atoms. This results in 3-dimensional structures called polyoxometalates. Typical examples occur in the Keggin structure of the phosphomolybdate ion. Edge...

the Keggin anion as the basis of the structural unit. It also recognizes the work of J.F. Keggin who first experimentally described the structure of the...

solid, which adopts a polymeric structure. Molybdenum(V) chloride MoCl5 dark green solid, which adopts a dimeric structure. Molybdenum(VI) chloride MoCl6...

tetrahedral coordination of chromium(III) has been reported for the Cr-centered Keggin anion [α-CrW12O40]5–. Chromium(III) hydroxide (Cr(OH)3) is amphoteric, dissolving...

of Dimethyl Carbonate from Methanol and Carbon Dioxide over Co1.5PW12O40 Keggin-Type Heteropolyanion". International Journal of Molecular Sciences. 11 (4):...

aqueous catalytic partial oxidation of wet biomass by the OxFA process. A Keggin-type polyoxometalate (H5PV2Mo10O40) is used as the homogeneous catalyst...

tetrahedral coordination of chromium(III) has been reported for the Cr-centered Keggin anion [α-CrW12O40]5–. Chromium(III) hydroxide (Cr(OH)3) is amphoteric, dissolving...

as a symmetric cluster of twelve tungsten-oxygen octahedra known as the Keggin anion. Many other polyoxometalate anions exist as metastable species. The...

Ophirite (IMA2013-017) is a mineral with a heteropolytungstate tri-lacunary keggin anion. Melcherite (IMA2015-018) and peterandresenite (IMA2012-084) have...

aqueous solution: correlations between the "Core-links" model and "Cage-like" Keggin-Al13 model". Coord. Chem. Rev. 248 (5–6): 441–455. doi:10.1016/j.ccr.2003...

formation of hydroxide bridges, forming many oligomeric ions, such as the Keggin ion [Al13O4(OH)24(H2O)12]7+. The process ends with precipitation of aluminium...

Jean-Philippe; Maestre, Juan-M; Poblet, Josep-M (December 1998). "From Lindqvist and Keggin ions to electronically inverse hosts". Coordination Chemistry Reviews. 178–180:...