Two-Dimensional Triple-Quantum 27Al MAS NMR Spectroscopic Study of the High-Temperature Phase Transformation of Microporous VPI-5

Two-Dimensional Triple-Quantum 27Al MAS NMR Spectroscopic Study of the High-Temperature Phase Transformation of Microporous VPI-5

Two-dimensional (2D) triple-quantum 27Al magic-angle spinning (3Q MAS) NMR spectra of VPI-5 have been recorded in situ at room temperature and 85 °C. The results confirm that at 70−80 °C VPI-5 undergoes a reversible phase transformation from space group P63 to P63 cm. This is the first study of a ph...

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Veröffentlicht in:Journal of physical chemistry (1952) 1996-11, Vol.100 (45), p.17889-17892
Hauptverfasser: Rocha, João, Esculcas, Ana P, Fernandez, Christian, Amoureux, Jean-Paul
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container_end_page 17892
container_issue 45
container_start_page 17889
container_title Journal of physical chemistry (1952)
container_volume 100
creator Rocha, João
Esculcas, Ana P
Fernandez, Christian
Amoureux, Jean-Paul
description Two-dimensional (2D) triple-quantum 27Al magic-angle spinning (3Q MAS) NMR spectra of VPI-5 have been recorded in situ at room temperature and 85 °C. The results confirm that at 70−80 °C VPI-5 undergoes a reversible phase transformation from space group P63 to P63 cm. This is the first study of a phase transformation by 2D MQ MAS NMR spectroscopy.
doi_str_mv 10.1021/jp9613504
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title Two-Dimensional Triple-Quantum 27Al MAS NMR Spectroscopic Study of the High-Temperature Phase Transformation of Microporous VPI-5
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