form two-dimensional inorganic layers in the ab plane. In compound 2, the inorganic puckered layers are composed of pseudo-octahedral bipyramidal SbO5 and CPO3 tetrahedra in the bc plane. The overall structure of both compounds may be described in terms of alternating inorganic infinite layers and organic pillars–CH2N(C2H4)2NCH2–} to form a 3D pillared layeredstructure.
在水热条件下合成了两种具有 3D 柱状层状骨架的新型金属二膦酸盐,[Zn2L]·2H2O (1) 和 [Sb(HL)(H2O)]·H2O (2) (H4L = H2O3PCH2NC4H8NCH2PO3H2),其结构特征为-晶体 X 射线衍射以及红外光谱、元素分析和热重分析。对于化合物 1,每个 ZnO3N 四面体依次通过来自三个不同膦酸酯配体的三个 CPO3 四面体共角,在 ab 平面形成二维无机层。在化合物 2 中,无机褶皱层由 bc 平面中的伪八面体双锥 SbO5 和 CPO3 四面体组成。这两种化合物的整体结构可以用交替的无机无限层和有机柱–CH2N(C2H4)2NCH2–}来描述,以形成3D柱状层状结构。