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Rb3Y2(BO3)3 with a noncentrosymmetric structure.

J H Gao1, R K Li

  • 1Beijing Center for Crystal Research and Development, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, PO Box 2711, Beijing 100080, People's Republic of China.

Acta Crystallographica. Section C, Crystal Structure Communications
|December 7, 2007
PubMed
Summary

Trirubidium diyttrium triborate features unique zigzag chains of yttrium-oxygen dimers. This structure forms a 3D framework with channels that house rubidium cations.

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Area of Science:

  • Inorganic Chemistry
  • Crystal Chemistry
  • Materials Science

Background:

  • Understanding the structural intricacies of complex borates is crucial for discovering novel materials.
  • Yttrium-containing compounds exhibit diverse coordination environments and potential applications.

Purpose of the Study:

  • To elucidate the crystal structure of trirubidium diyttrium triborate.
  • To identify the key structural motifs and bonding characteristics within the material.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the atomic arrangement.
  • Analysis of coordination polyhedra and bonding environments.

Main Results:

  • Trirubidium diyttrium triborate, Rb3Y(BO3)2, crystallizes with a novel structure.
  • The structure is characterized by zigzag chains of corner-sharing [Y2O10] dimers.
  • These chains are interconnected by BO3 groups, forming a three-dimensional framework with Rb+ cations residing in [100] channels.

Conclusions:

  • The detailed crystal structure of Rb3Y(BO3)2 reveals a unique framework built from [Y2O10] dimers and borate groups.
  • The presence of channels suggests potential for ion-exchange or host-guest chemistry.