Crystal structure of the Molybdenum(V) Diphosphate KMoP 2 O 8  isotypic with KNbP 2 O 8 | Zendy

Gueho C. | Zendy; Borel M. M. | Zendy; Grandin A. | Zendy; Leclaire A. | Zendy; Raveau B. | Zendy

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Crystal structure of the Molybdenum(V) Diphosphate KMoP 2 O 8 isotypic with KNbP 2 O 8

Author(s) -

Gueho C.,

Borel M. M.,

Grandin A.,

Leclaire A.,

Raveau B.

Publication year - 1992

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19926150921

Subject(s) - molybdenum , crystallography , octahedron , crystal structure , group (periodic table) , x ray crystallography , phase (matter) , chemistry , diffraction , materials science , inorganic chemistry , physics , optics , organic chemistry

A new molybdenum(V) diphosphate KMoP 2 O 8 has been isolated. The single crystal X‐ray diffraction study of this phase has shown that it is isotypic with KNbP 2 O 8 . It crystallizes in the P2 1 /n space group a = 5.0862(4), b = 11.720(1), c = 11.486(1) Å, β = 90.91(1)°. The structure of this phase is compared with those of other molybdenum(V) diphosphates. This tunnel structure is described in terms of [MP 2 O 8 ] 8 ∞ ribbons running along ā, showing close relationships with the titanophosphate NaTiP 2 O 7 . The existence of one free apex for each MoO 6 octahedron and each P 2 O 7 group, respectively, is emphasized, allowing a great flexibility of the structure.

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