High-Temperature, High-Pressure Hydrothermal Synthesis, Crystal Structure, Thermal Stability, and Solid State NMR Spectroscopy of an Aluminum Borate, Ba[AlB4O8(OH)]

Chun Chi Peng; Hsin Kuan Liu; Kwang Hwa Lii

doi:10.1021/acs.inorgchem.7b02855

High-Temperature, High-Pressure Hydrothermal Synthesis, Crystal Structure, Thermal Stability, and Solid State NMR Spectroscopy of an Aluminum Borate, Ba[AlB₄O₈(OH)]

Chun Chi Peng, Hsin Kuan Liu, Kwang Hwa Lii

Department of Chemistry

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

3 Scopus citations

Abstract

A new aluminum borate, Ba[AlB₄O₈(OH)], has been synthesized under high-temperature, high-pressure hydrothermal conditions at 550 °C and 1400 bar and its structure characterized by single-crystal X-ray diffraction, IR, and MAS ¹¹B, and ²⁷Al NMR spectroscopy. It crystallizes in the monoclinic space group P2₁/n with a = 7.0695(5) Å, b = 15.108(1) Å, c = 7.0746(5) Å, β = 93.593(2)°, and Z = 4. Its 2D layer structure is formed of corner-sharing B₄O₈(OH) clusters and AlO₄ tetrahedra with the charge-compensating Ba²⁺ cations between the layers. While the same in the framework composition, the title compound and the hydrate, Ba[AlB₄O₈(OH)]·H₂O, differ greatly in structure. Although the title compound contains an OH group, it is thermally stable up to 740 °C and then decomposes into Ba₂Al₂B₈O₁₇, as indicated by high-temperature DSC/TG analysis and powder X-ray diffraction.

Original language	English
Pages (from-to)	1545-1549
Number of pages	5
Journal	Inorganic Chemistry
Volume	57
Issue number	3
DOIs	https://doi.org/10.1021/acs.inorgchem.7b02855
State	Published - 5 Feb 2018

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10.1021/acs.inorgchem.7b02855

CCDC 1584629: Experimental Crystal Structure Determination
Peng, C. (Contributor), Liu, H. (Contributor) & Lii, K. (Contributor), The Cambridge Structural Database, 5 Feb 2018
DOI: 10.5517/ccdc.csd.cc1q5y2x, https://doi.org/10.5517%2Fccdc.csd.cc1q5y2x
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title = "High-Temperature, High-Pressure Hydrothermal Synthesis, Crystal Structure, Thermal Stability, and Solid State NMR Spectroscopy of an Aluminum Borate, Ba[AlB4O8(OH)]",

abstract = "A new aluminum borate, Ba[AlB4O8(OH)], has been synthesized under high-temperature, high-pressure hydrothermal conditions at 550 °C and 1400 bar and its structure characterized by single-crystal X-ray diffraction, IR, and MAS 11B, and 27Al NMR spectroscopy. It crystallizes in the monoclinic space group P21/n with a = 7.0695(5) {\AA}, b = 15.108(1) {\AA}, c = 7.0746(5) {\AA}, β = 93.593(2)°, and Z = 4. Its 2D layer structure is formed of corner-sharing B4O8(OH) clusters and AlO4 tetrahedra with the charge-compensating Ba2+ cations between the layers. While the same in the framework composition, the title compound and the hydrate, Ba[AlB4O8(OH)]·H2O, differ greatly in structure. Although the title compound contains an OH group, it is thermally stable up to 740 °C and then decomposes into Ba2Al2B8O17, as indicated by high-temperature DSC/TG analysis and powder X-ray diffraction.",

author = "Peng, {Chun Chi} and Liu, {Hsin Kuan} and Lii, {Kwang Hwa}",

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AU - Peng, Chun Chi

AU - Liu, Hsin Kuan

AU - Lii, Kwang Hwa

PY - 2018/2/5

Y1 - 2018/2/5

N2 - A new aluminum borate, Ba[AlB4O8(OH)], has been synthesized under high-temperature, high-pressure hydrothermal conditions at 550 °C and 1400 bar and its structure characterized by single-crystal X-ray diffraction, IR, and MAS 11B, and 27Al NMR spectroscopy. It crystallizes in the monoclinic space group P21/n with a = 7.0695(5) Å, b = 15.108(1) Å, c = 7.0746(5) Å, β = 93.593(2)°, and Z = 4. Its 2D layer structure is formed of corner-sharing B4O8(OH) clusters and AlO4 tetrahedra with the charge-compensating Ba2+ cations between the layers. While the same in the framework composition, the title compound and the hydrate, Ba[AlB4O8(OH)]·H2O, differ greatly in structure. Although the title compound contains an OH group, it is thermally stable up to 740 °C and then decomposes into Ba2Al2B8O17, as indicated by high-temperature DSC/TG analysis and powder X-ray diffraction.

AB - A new aluminum borate, Ba[AlB4O8(OH)], has been synthesized under high-temperature, high-pressure hydrothermal conditions at 550 °C and 1400 bar and its structure characterized by single-crystal X-ray diffraction, IR, and MAS 11B, and 27Al NMR spectroscopy. It crystallizes in the monoclinic space group P21/n with a = 7.0695(5) Å, b = 15.108(1) Å, c = 7.0746(5) Å, β = 93.593(2)°, and Z = 4. Its 2D layer structure is formed of corner-sharing B4O8(OH) clusters and AlO4 tetrahedra with the charge-compensating Ba2+ cations between the layers. While the same in the framework composition, the title compound and the hydrate, Ba[AlB4O8(OH)]·H2O, differ greatly in structure. Although the title compound contains an OH group, it is thermally stable up to 740 °C and then decomposes into Ba2Al2B8O17, as indicated by high-temperature DSC/TG analysis and powder X-ray diffraction.

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DO - 10.1021/acs.inorgchem.7b02855

M3 - 期刊論文

C2 - 29355308

AN - SCOPUS:85041651209

VL - 57

SP - 1545

EP - 1549

JO - Inorganic Chemistry

JF - Inorganic Chemistry

SN - 0020-1669

IS - 3

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High-Temperature, High-Pressure Hydrothermal Synthesis, Crystal Structure, Thermal Stability, and Solid State NMR Spectroscopy of an Aluminum Borate, Ba[AlB4O8(OH)]

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CCDC 1584629: Experimental Crystal Structure Determination

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High-Temperature, High-Pressure Hydrothermal Synthesis, Crystal Structure, Thermal Stability, and Solid State NMR Spectroscopy of an Aluminum Borate, Ba[AlB₄O₈(OH)]