AUTHOR=Wu Yan-Lan , Zhang Rong-Tao , Sun Yan-Qiong , Li Xin-Xiong , Zheng Shou-Tian 

TITLE=A Series of Cube-Shaped Polyoxoniobates Encapsulating Octahedral Cu12XmOn Clusters With Hydrolytic Decomposition for Chemical Warfare Agents

JOURNAL=Frontiers in Chemistry

VOLUME=8

YEAR=2020

URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2020.586009

DOI=10.3389/fchem.2020.586009

ISSN=2296-2646

ABSTRACT=<p>This study reported a series of cube-shaped polyoxoniobates, {MCu<sub>12</sub>O<sub>8</sub>)(Cu<sub>12</sub>X<sub>m</sub>O<sub>n</sub>)(Nb<sub>7</sub>(OH)O<sub>21</sub>)<sub>8</sub>} [M = Nb(1, 2), Ln<sup>3+</sup>(3), X = I(1, <italic>m</italic> = 3, <italic>n</italic> = 3; 2, <italic>m</italic> = 5, <italic>n</italic> = 1), Br(3, <italic>m</italic> = 5, <italic>n</italic> = 1)]. As the first octahedral Cu<sub>12</sub>X<sub>m</sub>O<sub>n</sub> cluster incorporated polyoxoniobate, the cube-shaped three-shell structure of {MCu<sub>12</sub>O<sub>8</sub>)(Cu<sub>12</sub>X<sub>m</sub>O<sub>n</sub>)(Nb<sub>7</sub>(OH)O<sub>21</sub>)<sub>8</sub>} polyanion contains a {MCu<sub>12</sub>O<sub>8</sub>} body-centered cuboctahedron, a {Cu<sub>12</sub>X<sub>m</sub>O<sub>n</sub>} octahedron and a {Cu<sub>12</sub>(Nb<sub>7</sub>(OH)O<sub>21</sub>)<sub>8</sub>} cube. Compounds 1, 2, 3 show effective catalytic activities for the hydrolytic decomposition of chemical warefare agent simulants.</p>