title: Synthesis of Zn-containing microporous aluminophosphate with the STA-1 structure.
abstract: Zn atoms have been incorporated into the STA-1 microporous framework (SAO framework type) for the first time. Pure Zn-containing STA-1 aluminophosphate has been obtained in the presence of either (S)-(-)-N-benzylpyrrolidine-2-methanol (BPM) or benzylpyrrolidine (BP) as structure-directing agent. Characterisation results have demonstrated that the organic molecules remain intact within the microporous framework after the hydrothermal treatment. The X-ray diffraction pattern has been indexed in the tetragonal space group I ̅4m2 (a = 13.7828(1) Å and c = 21.9444(4) Å). Chemical analysis and (31)P MAS NMR spectroscopy confirm the incorporation of ca. 4.5 Zn atoms per unit cell by isomorphous substitution of Al. This large-pore aluminophosphate has one of the lowest framework densities among the known zeolite structures, and is therefore of potential interest for applications in adsorption or catalytic processes involving bulky molecules.
authors.affiliation: Institute of Catalysis and Petroleum Chemistry (CSIC), c/Marie Curie 2, 28049, Madrid, Spain. anabpprieto@hotmail.com
authors.forename: Ana B
authors.initials: AB
authors.lastname: Pinar
authors.forename: Luis
authors.initials: L
authors.lastname: Gómez-Hortigüela
authors.forename: Lynne B
authors.initials: LB
authors.lastname: McCusker
authors.forename: Joaquín
authors.initials: J
authors.lastname: Pérez-Pariente