Synthesis and structure of an aluminophosphate built from 3-rings

David E.W. Vaughan, Hemant P. Yennawar, Anthony J. Perrottat

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Abstract

By reacting a pre-made aluminophosphate (ALPO, P:A1 = 0.9) gel with an aqueous tripropylamine solution of KOH and TMAOH, we have synthesized a new porous 3D crystalline structure (PSU-2) under high pH conditions. Single-crystal structure analysis shows that the orthorhombic crystal (Pnna with cell constants of a = 12.741 Å, b - 10.2211 Å, c = 6.2239 Å) is built from two different pairs of 3-rings of P tetrahedra and Al octahedra. Associated phases include ALPO analogues of the zeolites sodalite, analcime, and natrolite, the last not hitherto reported in an ALPO composition. The silicon-containing PSU-2 (SAPO) could not be made from an analogous SAPO gel.

Original languageEnglish (US)
Pages (from-to)3611-3615
Number of pages5
JournalChemistry of Materials
Volume18
Issue number16
DOIs
StatePublished - Aug 8 2006

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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