Fullerene-like Polyoxotitanium Cage with High Solution Stability

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• 作者：Mei-Yan Gao ; Fei Wang ; Zhi-Gang Gu ; De-Xiang Zhang ; Lei Zhang ; Jian Zhang
• 刊名：Journal of the American Chemical Society
• 出版年：2016
• 出版时间：March 2, 2016
• 年：2016
• 卷：138
• 期：8
• 页码：2556-2559
• 全文大小：369K
• ISSN：1520-5126

文摘

We present the formation of the largest titanium–oxo cluster, [Ti₄₂(μ₃-O)₆₀(OiPr)₄₂(OH)₁₂)]^6–, with the first fullerene-like Ti–O shell structure. The {Ti₄₂O₆₀} core of this compound exemplifies the same icosahedral (I_h) symmetry as C₆₀, the highest possible symmetry for molecules. According to the coordination environments, the Ti centers in this cluster can be arranged into a Platonic {Ti₁₂} icosahedron and an Archimedean {Ti₃₀} icosidodecahedron. The solution stability of this cluster was confirmed by electrospray ionization mass spectrometry. The spherical body of the {Ti₄₂O₆₀} core has an inside diameter of 1.05 nm and an outside diameter of 1.53 nm, which could be directly visualized by high-resolution transmission electron microscopy. Our results demonstrate that titanium oxide can also form fullerene-like shell structures.