2H3O · [Co8(HPO3) 9(CH3OH)3] ·2H2O: An open-framework cobalt phosphite containing extra-large 18-ring channels

Lang Zhao, Jiyang Li, Peng Chen, Guanghua Li, Jihong Yu*, Ruren Xu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

The synthesis and structure of the first extra-large pore cobalt phosphite (CoHPO-CJ2) with one-dimensional channels bounded by 18 Co atoms were presented. CoHPO-CJ2 was synthesized by a solvothermal reaction of CoCl 2.6H20, H3PO3, diethylenetriamine (DETA), ethylene glycol (EG), and H2O. CoCl2.6H 20 was first dissolved in a mixed solvent of H2O and EG, and then H3PO3 was added to the reaction mixture while stirring. DETA was added to adjust the pH value of the reaction mixture to 5-6. The use of mixed solvent favored the formation of large single crystals of CoHPO-CJ2. Each Co(1)O6 octahedron shared a face with the neighboring windmills, resulting in an infinite 2D layered structure with 18-ring window of C3v symmetry. Single crystal structural analysis reveals that the structure of CoHPO-CJ2 consists of macroionic framework and H3O+ counterions.

Original languageEnglish
Pages (from-to)17-19
Number of pages3
JournalChemistry of Materials
Volume20
Issue number1
DOIs
Publication statusPublished - 8 Jan 2008
Externally publishedYes

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