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Crystal structure of new triple molybdate AgMg3Ga(MoO4)5 from Rietveld refinement

Published online by Cambridge University Press:  25 September 2017

Irina Yu. Kotova ,
Aleksandra A. Savina  and
Elena G. Khaikina
Irina Yu. Kotova
Affiliation:
Baikal Institute of Nature Management, Siberian Branch, Russian Academy of Sciences, Sakh'yanova St. 6, Ulan-Ude, 670047 Buryat Republic, Russia
Aleksandra A. Savina*
Affiliation:
Baikal Institute of Nature Management, Siberian Branch, Russian Academy of Sciences, Sakh'yanova St. 6, Ulan-Ude, 670047 Buryat Republic, Russia
Elena G. Khaikina
Affiliation:
Baikal Institute of Nature Management, Siberian Branch, Russian Academy of Sciences, Sakh'yanova St. 6, Ulan-Ude, 670047 Buryat Republic, Russia Department of Chemistry, Buryat State University, Smolin St. 24a, Ulan-Ude, 670000 Buryat Republic, Russia
*
a)Author to whom correspondence should be addressed. Electronic mail: [email protected]
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Abstract

A polycrystalline sample of a new triple molybdate AgMg3Ga(MoO4)5 was obtained by solid-state reaction techniques. Structural refinement based on X-ray powder diffraction data showed that the crystal structure is isotypic with NaMg3In(MoO4)5 (sp. gr. P$\bar 1$). In the structure pairs of edge-shared (Mg, Ga)O6,  octahedra are connected by common vertices to form a three-dimensional framework. Large framework cavities involve Ag+ cations. The title compound was found to melt at 1079 K.

Keywords

triple molybdatesynthesispowder X-ray diffractionstructureRietveld refinement
Type
New Diffraction Data
Information
Powder Diffraction , Volume 32 , Issue 4 , December 2017 , pp. 255 - 260
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Copyright
Copyright © International Centre for Diffraction Data 2017 

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