Materials Data on NaAgO by Materials Project
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NaAgO crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Na1+ is bonded in a see-saw-like geometry to four equivalent O2- atoms. There are two shorter (2.36 Å) and two longer (2.39 Å) Na–O bond lengths. Ag1+ is bonded in a linear geometry to two equivalent O2- atoms. Both Ag–O bond lengths are 2.10 Å. O2- is bonded to four equivalent Na1+ and two equivalent Ag1+ atoms to form a mixture of corner and edge-sharing ONa4Ag2 octahedra. The corner-sharing octahedra tilt angles range from 2–14°.
NaAgO晶体结晶于四方晶系(tetragonal)I4/mmm空间群(space group)。其为三维结构。Na1+以跷跷板型配位几何(see-saw-like geometry)与四个等价的O2-原子成键,存在两条键长2.36 Å的较短Na–O键与两条键长2.39 Å的较长Na–O键。Ag1+以直线型配位几何(linear geometry)与两个等价的O2-原子成键,两条Ag–O键的键长均为2.10 Å。O2-与四个等价的Na1+及两个等价的Ag1+原子成键,形成兼具角共享(corner-sharing)与边共享(edge-sharing)特征的ONa4Ag2八面体(octahedra)。此类角共享八面体的倾斜角范围为2°至14°。



