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Cs(0.49)NbPS(6).

Eunsil Lee¹, Yonghee Lee, Hoseop Yun

¹Division of Energy Systems Research and Department of Chemistry, Ajou University, Suwon 443-749, Republic of Korea.

Acta Crystallographica. Section E, Structure Reports Online

|April 28, 2011

Summary

This summary is machine-generated.

A new caesium hexa-thio-niobiophosphate(V) compound was synthesized. This material features a unique 3D network with niobium-niobium bonding, impacting its structure and electronic properties.

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Area of Science:

Solid-state chemistry
Inorganic materials science
Crystallography

Background:

Quaternary thio-phosphates are an emerging class of materials with potential applications.
Understanding the structure-property relationships in these compounds is crucial for material design.

Purpose of the Study:

To synthesize and characterize a novel caesium hexa-thio-niobiophosphate(V) compound.
To elucidate the crystal structure and bonding characteristics of the synthesized material.

Main Methods:

Reactive halide flux method for synthesis.
Single-crystal X-ray diffraction for structural analysis.
Charge distribution analysis.

Main Results:

The compound Cs(0.49)NbPS(6) was successfully synthesized and found to be isotypic with Rb(0.46)TaPS(6).
The structure consists of [Nb(2)S(12)] units and [PS(4)] tetrahedra forming a 3D network with van der Waals gaps.
Disordered Cs(+) ions reside in these gaps, and electron transfer to niobium sites results in significant Nb-Nb bonding.

Conclusions:

The synthesis of Cs(0.49)NbPS(6) expands the family of quaternary thio-phosphates.
The observed Nb-Nb bonding is a key feature influencing the material's properties.
The study provides insights into charge distribution and structural motifs in related compounds.