Issue 6, 1996
From the journal:

Journal of Materials Chemistry

Synthesis and crystal structure of ULM-16, a new open-framework fluorinated gallium phosphate with 16-ring channels: Ga4(PO4)4F2·1.5NC6H14· 0.5H2O·0.5H3O

Thierry Loiseau  and  Gérard Férey  

Abstract

The synthesis and single-crystal X-ray structure of ULM-16, a new fluorinated gallophosphate Ga4(PO4)4F2·1.5NC6H14·0.5H2O·0.5H3O is described. This material is prepared hydrothermally at 180 °C using cyclohexylamine as structuring agent. It crystallizes in the orthorhombic space group Pbcn(no. 60) with a= 27.329(4), b= 17.377(2), c= 10.2124(5)Å, V= 4849.6(9)Å3 and Z= 8, with R= 0.0477 for 3006 observed reflections [I > 2σ(I)]. The structure is built up from vertex-linked GaO4 and PO4 tetrahedra, GaO4F trigonal bipyramids and GaO4F2 octahedra forming hexameric and tetrameric units. The three-dimensional framework consists of one-dimensional circular tunnels delimited by sixteen polyhedra and is stable up to 800 °C.

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Article information

DOI
https://doi.org/10.1039/JM9960601073
Article type
Paper

J. Mater. Chem., 1996,6, 1073-1074

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Synthesis and crystal structure of ULM-16, a new open-framework fluorinated gallium phosphate with 16-ring channels: Ga4(PO4)4F2·1.5NC6H14· 0.5H2O·0.5H3O

T. Loiseau and G. Férey, J. Mater. Chem., 1996, 6, 1073 DOI: 10.1039/JM9960601073

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