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

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

doi:10.1016/j.micromeso.2011.11.028

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

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

Biochemistry & Molecular Biology

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

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 language	English (US)
Pages (from-to)	18-23
Number of pages	6
Journal	Microporous and Mesoporous Materials
Volume	153
DOIs	https://doi.org/10.1016/j.micromeso.2011.11.028
State	Published - May 1 2012

All Science Journal Classification (ASJC) codes

General Chemistry
General Materials Science
Condensed Matter Physics
Mechanics of Materials

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10.1016/j.micromeso.2011.11.028

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title = "Synthesis and structure of a 3D aluminophosphate (PSU-3)",

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.",

author = "Vaughan, \{David E.W.\} and Yennawar, \{Hemant P.\} and Perrotta, \{Anthony J.\}",

note = "Funding Information: We thank Dr. Josh Stapleton for assistance with the IR microscopy and Dr. Maria Klimkiewicz for assistance with the SEM. This work is supported by the Penn State Materials Research Institute. We acknowledge NSF Chemistry Research Instrumentation and Facilities grant CHE-0131112 for the purchase of the Bruker-AXS single crystal X-ray diffractometer.",

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doi = "10.1016/j.micromeso.2011.11.028",

language = "English (US)",

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AU - Vaughan, David E.W.

AU - Yennawar, Hemant P.

AU - Perrotta, Anthony J.

N1 - Funding Information: We thank Dr. Josh Stapleton for assistance with the IR microscopy and Dr. Maria Klimkiewicz for assistance with the SEM. This work is supported by the Penn State Materials Research Institute. We acknowledge NSF Chemistry Research Instrumentation and Facilities grant CHE-0131112 for the purchase of the Bruker-AXS single crystal X-ray diffractometer.

PY - 2012/5/1

Y1 - 2012/5/1

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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U2 - 10.1016/j.micromeso.2011.11.028

DO - 10.1016/j.micromeso.2011.11.028

M3 - Article

AN - SCOPUS:84855506225

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JO - Microporous and Mesoporous Materials

JF - Microporous and Mesoporous Materials

ER -

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

Abstract

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