Synthesis and structure of a 3D aluminophosphate (PSU-3)

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Single crystals of a three dimensional ammonium aluminophosphate (PSU-3) have been synthesized as a minor phase in the synthesis of the unknown cyclohexylamine templated ALPO structure UHM-5, and its structure determined by single crystal X-ray diffraction analysis. The material of composition: NH 4·Al 2(OH) (PO 4) 2· 2H 2O crystallizes in the monoclinic space group P2(1)/n with a = 9.597 ; b = 9.553 ; c = 9.957 ; β = 103.74°. The pore structure comprises a spiral 8-ring pore down the b-axis intersecting with a linear pore down the c-axis; a linear 12-ring pore is parallel to the a-axis. The pores are filled with water, ammonium ions and projecting Al-OH 2 groups. Infra-red microscopy showed ammonium but no occlusion of organics in the structure, which like the UHM-5 structure, degrades at ∼300 °C. A parallel gallophosphate experiment produced only a UHM-5 like product.

Original languageEnglish (US)
Pages (from-to)18-23
Number of pages6
JournalMicroporous and Mesoporous Materials
Volume153
DOIs
StatePublished - May 1 2012

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Ammonium Compounds
Single crystals
porosity
synthesis
Cyclohexylamines
Pore structure
X ray diffraction analysis
Microscopic examination
Infrared radiation
Ions
Chemical analysis
occlusion
rings
single crystals
Water
Experiments
microscopy
products
diffraction
water

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Chemistry(all)
  • Condensed Matter Physics

Cite this

Vaughan, David E W ; Yennawar, Hemant P. ; Perrotta, Anthony J. / Synthesis and structure of a 3D aluminophosphate (PSU-3). In: Microporous and Mesoporous Materials. 2012 ; Vol. 153. pp. 18-23.
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Synthesis and structure of a 3D aluminophosphate (PSU-3). / Vaughan, David E W; Yennawar, Hemant P.; Perrotta, Anthony J.

In: Microporous and Mesoporous Materials, Vol. 153, 01.05.2012, p. 18-23.

Research output: Contribution to journalArticle

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AU - Vaughan, David E W

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AU - Perrotta, Anthony J.

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N2 - Single crystals of a three dimensional ammonium aluminophosphate (PSU-3) have been synthesized as a minor phase in the synthesis of the unknown cyclohexylamine templated ALPO structure UHM-5, and its structure determined by single crystal X-ray diffraction analysis. The material of composition: NH 4·Al 2(OH) (PO 4) 2· 2H 2O crystallizes in the monoclinic space group P2(1)/n with a = 9.597 ; b = 9.553 ; c = 9.957 ; β = 103.74°. The pore structure comprises a spiral 8-ring pore down the b-axis intersecting with a linear pore down the c-axis; a linear 12-ring pore is parallel to the a-axis. The pores are filled with water, ammonium ions and projecting Al-OH 2 groups. Infra-red microscopy showed ammonium but no occlusion of organics in the structure, which like the UHM-5 structure, degrades at ∼300 °C. A parallel gallophosphate experiment produced only a UHM-5 like product.

AB - Single crystals of a three dimensional ammonium aluminophosphate (PSU-3) have been synthesized as a minor phase in the synthesis of the unknown cyclohexylamine templated ALPO structure UHM-5, and its structure determined by single crystal X-ray diffraction analysis. The material of composition: NH 4·Al 2(OH) (PO 4) 2· 2H 2O crystallizes in the monoclinic space group P2(1)/n with a = 9.597 ; b = 9.553 ; c = 9.957 ; β = 103.74°. The pore structure comprises a spiral 8-ring pore down the b-axis intersecting with a linear pore down the c-axis; a linear 12-ring pore is parallel to the a-axis. The pores are filled with water, ammonium ions and projecting Al-OH 2 groups. Infra-red microscopy showed ammonium but no occlusion of organics in the structure, which like the UHM-5 structure, degrades at ∼300 °C. A parallel gallophosphate experiment produced only a UHM-5 like product.

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