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Na7Al3(As2O7)4.

Noura Fakhar Bourguiba1, Ahmed Driss

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

Acta Crystallographica. Section E, Structure Reports Online
|October 11, 2013
PubMed
Summary
This summary is machine-generated.

A new compound, hepta-sodium trialuminium tetrakis(diarsenate), was synthesized and characterized. Its crystal structure features a 3D framework of aluminum and arsenate groups with sodium ions in channels.

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Area of Science:

  • Inorganic Chemistry
  • Crystallography
  • Solid-State Chemistry

Background:

  • The study investigates a novel inorganic compound with potential applications in materials science.
  • Understanding the structural properties of complex arsenates is crucial for developing new functional materials.

Purpose of the Study:

  • To synthesize and characterize the crystal structure of hepta-sodium trialuminium tetrakis(diarsenate).
  • To elucidate the atomic arrangement and bonding within the novel compound.
  • To compare its structure with related known compounds.

Main Methods:

  • Single crystal X-ray diffraction was employed to determine the crystal structure.
  • Solid-state reaction techniques were used for synthesis.
  • Crystallographic analysis was performed to identify atomic positions and coordination environments.

Main Results:

  • Hepta-sodium trialuminium tetrakis(diarsenate) was successfully isolated as single crystals.
  • The structure is isotypic with the Na7Fe3(X 2O7)4 family (X = As, P).
  • A 3D [Al3(As2O7)4]∞ framework was identified, with AlO6 octahedra and As2O7 groups, containing sodium ions in channels.

Conclusions:

  • The crystal structure of hepta-sodium trialuminium tetrakis(diarsenate) has been determined.
  • The compound exhibits a complex framework structure with potential for ion exchange or other host-guest chemistry.
  • Further research could explore the physical and chemical properties of this new material.