An alcohol-templated borate based on [Bi14020(OH) 6]4- polyborate anions

Gao Jan Cao, Yan Qoing Sun, Shou Tian Zheng, Guo Yu Yang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A new borate [H2EG][B7O10(OH)3] (1) based on [B14020(OH)6]4- polyborate anions has been solvothermally synthesized in the presence of H 2EG as a template (EG = ethylene glycol). The structure was determined by single-crystal X-ray diffraction and further characterized by FTIR, elemental analysis and thermogravimetric analysis. Compound 1 crystallizes in the triclinic system, space group Pī, with a = 8.5095(4), b = 8.8694(4), c = 10.0756(4) Å, α = 95.094(2), β = 96.936(2), γ = 116.844(2)°, V = 664.66(5) Å3. The structure of 1 consists of [B14020(OH)6]4- moiety, which could be regarded as the largest isolated polyborate anion so far. The anions are interlinked via hydrogen bonding to form a 3D supramolecular network, whereas the diprotonated [H2EG]2+are filled in the free space of inorganic borate network and interact with the inorganic framework by extensive hydrogen bonds. It is noteworthy that the EG acts not only as a solvent, but also as a template.

Original languageEnglish
Pages (from-to)525-530
Number of pages6
JournalJiegou Huaxue
Volume28
Issue number5
Publication statusPublished - 2009
Externally publishedYes

Keywords

  • Boron
  • Hydrogen bonds
  • Solvothermal synthesis
  • Supramolecular network

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