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空旷骨架无机化合物可以看作是一类微观建筑。它们均含有周期性排列且分布十分均匀的孔道或孔穴。这些孔道（穴）的直径介于０．２ｎｍ和１５ｎｍ之间。空旷骨架化合物的骨架结构由相应的结构基元搭构而成。结构基元为ＴＸ＿ｎ配位多面体，Ｔ代表Ｂｅ，Ｂ，Ａｌ，Ｉｎ，Ｓｉ，Ｇｅ，Ｓｎ，Ｐ，Ａｓ，Ｚｎ，Ｃｏ等元素。Ｘ代表Ｏ和Ｓ或Ｓｅ，ｎ＝３－６。很多其它元素还可以对Ｔ元素进行同晶取代。空旷骨架无机物可用作择形催化剂及纳米粒子的宿主。
Empty skeleton inorganic compounds can be seen as a type of micro-architecture. They all contain periodically arranged and evenly distributed holes or holes. The diameter of these channels (holes) is between 0.2 nm and 15 nm. The skeleton structure of the open framework compound is constructed from the corresponding structural primitives. The structural motif is TX_n coordination polyhedron, and T represents elements such as Be, B, Al, In, Si, Ge, Sn, P, As, Zn and Co. X represents O and S or Se, n = 3-6. Many other elements can also be isomorphic to T elements. An open-celled mineral can be used as a host for shape-selective catalysts and nanoparticles.