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Hydrothermal Synthesis and Characterization of the New Layered Fluorogallophosphate Mu‐23
Author(s) -
Josien Ludovic,
SimonMasseron Angélique,
Gramlich Volker,
Patarin Joël
Publication year - 2002
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/1521-3765(20020402)8:7<1614::aid-chem1614>3.0.co;2-t
Subject(s) - triclinic crystal system , octahedron , crystallography , hydrothermal circulation , fluorine , hydrothermal synthesis , chemistry , tetrahedron , fluoride , ion , group (periodic table) , molar ratio , stereochemistry , crystal structure , inorganic chemistry , geology , organic chemistry , seismology , biochemistry , catalysis
Mu‐23, [(C 6 H 15 N 2 )(C 6 H 16 N 2 )Ga 5 F 6 (H 2 O) 2 (PO 4 ) 4 ]⋅4 H 2 O, the first layered fluorinated gallophosphate with a Ga/P molar ratio of 5:4, was obtained in the presence of fluoride ions with 1,4‐dimethylpiperazine as an organic template. It crystallizes in the triclinic space group P $\bar 1$ (no. 2) with unit cell parameters a =8.735(11), b =8.864(5), c =12.636(10) Å, α =98.36(5), β =100.18(8), γ =115.84(7)°. The layers consist of GaO 2 F 3 (H 2 O), GaO 4 F 2 octahedra, and GaO 4 and PO 4 tetrahedra; these moieties share their oxygen and some of their fluorine atoms. The connectivity scheme of these different polyhedra leads to the formation of eight‐membered rings.