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K(MoO2)4O3(AsO4).

Raja Jouini¹, Mohamed Faouzi Zid, Ahmed Driss

¹Laboratoire de Matériaux et Cristallochimie, Faculté des Sciences de Tunis, Université de Tunis ElManar, 2092 ElManar II Tunis, Tunisia.

Acta Crystallographica. Section E, Structure Reports Online

|June 25, 2013

Summary

This summary is machine-generated.

A novel potassium arsenate compound, K(MoO2)4O3(AsO4), was synthesized. Its unique 3D framework features interconnected molybdenum-oxygen polyhedra and arsenate tetrahedra, creating channels for potassium ions.

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Area of Science:

Inorganic Chemistry
Solid-State Chemistry
Materials Science

Background:

Non-centrosymmetric compounds are crucial for various applications.
Molybdenum-arsenate compounds represent an underexplored area of inorganic materials.

Purpose of the Study:

To synthesize and characterize a new non-centrosymmetric compound.
To elucidate the crystal structure and bonding of the novel material.
To compare the structural features with related metal-oxide compounds.

Main Methods:

Solid-state reaction synthesis.
Single-crystal X-ray diffraction for structural determination.
Comparative structural analysis.

Main Results:

A new compound, potassium tetra-kis-[dioxomolybdenum(IV)] arsenate trioxide, K(MoO2)4O3(AsO4), was successfully synthesized.
The compound exhibits a non-centrosymmetric three-dimensional framework.
The structure comprises arsenate tetrahedra, MoO6 octahedra, MoO5 bipyramids, and Mo2O10 bioctahedral units, forming tunnels for K+ cations.

Conclusions:

The synthesized compound possesses a novel structural architecture.
The interconnected polyhedral network and cation-hosting tunnels offer potential for further material design.
Structural comparisons highlight unique features of this molybdenum-arsenate system.