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Template Directed Synthesis of Plasmonic Gold Nanotubes with Tunable IR Absorbance
Published on: April 1, 2013
Uranyl Sulfate Nanotubules Templated by N-phenylglycine
Oleg I Siidra1,2, Evgeny V Nazarchuk3, Dmitry O Charkin4
1Department of Crystallography, Saint-Petersburg State University, University emb. 7/9, 199034 St. Petersburg, Russia. o.siidra@spbu.ru.
Abstract:
The synthesis, structure, and infrared spectroscopy properties of the new organically templated uranyl sulfate Na(phgH⁺)₇[(UO₂)₆(SO₄)10](H₂O)3.5 (1), obtained at room temperature by evaporation from aqueous solution, are reported. Its structure contains unique uranyl sulfate [(UO₂)₆(SO₄)10]8- nanotubules templated by protonated N-phenylglycine (C₆H₅NH₂CH₂COOH)⁺. Their internal diameter is 1.4 nm. Each of the nanotubules is built from uranyl sulfate rings sharing common SO₄ tetrahedra. The template plays an important role in the formation of the complex structure of 1. The aromatic rings are stacked parallel to each other due to the effect of π-π interaction with their side chains extending into the gaps between the nanotubules.
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