The method of crystallographic analysis relies on the mechanical-wave concept that treats
the crystalline state as the result of ordering of atomic positions by families of parallel …

Polyoxometalate (POM) chemistry of W, Mo and V is rich and diverse; and new discoveries
are frequent and abundant. The prolificacy of this POM chemistry is attributed to rich redox …

Two new members of highly charged Silverton archetype [NaM12O42] 11− were
demonstrated in the 3D POM-based frameworks Na3 [NaM12O42 (Ru (DMSO) 3) 4]· 13H2O …

Niobium is usually considered to be one of the least mobile elements during alteration of
rocks in geological processes and is thought to only be mobile at elevated temperatures …

Widely known and some other structural types as well as mechanisms of structural
transformations are considered in the framework of the idea that stability of crystal structures …

A highly symmetric MnIV-centered polyoxoniobate [H2MnIVNb10O32] 8− was synthesized
via hydrothermal methods as a soluble tetramethylammonium salt. The structure is similar to …

Polyoxoniobate clusters that are stable in acidic solutions are rare and particularly useful in
industrial processes. Here we report a new pentaphosphate niobate polyoxometalate cluster …

Abstract Aspedamite, ideally□ 12 (Fe3+, Fe2+) 3Nb4 [Th (Nb, Fe3+) 12O42]{(H2O),(OH)}
12, is a new heteropolyniobate mineral species from the Herrebøkasa quarry, Aspedammen …

Crystallographic analysis has provided evidence for single cation frameworks formed from
preordered cation positions in the individual building blocks (modules) constituting the basis …

Abstract Peterandresenite (IMA2012-084), ideally Mn4Nb6O19· 14H2O, is the first naturally
occurring hexaniobate. It was found at the AS Granit larvikite quarry in Tvedalen, Larvik …