Two new zincoborates, namely, Pb₃Ba₃Zn₆(BO₃)₈ and α-BaZn₂(BO₃)₂, were synthesized by the high-temperature solution method and their structures were determined by single-crystal X-ray diffraction for the first time. The structure of Pb₃Ba₃Zn₆(BO₃)₈ can be described as a three-dimensional framework consisting of [Zn₄B₂O₁₅]_∞ chains and isolated ZnO₄ tetrahedra and BO₃ triangles, which contains three different types of tunnels with Pb²⁺ and Ba²⁺ cations residing among them. α-BaZn₂(BO₃)₂ exhibits a two-dimensional layered structure with a [Zn₂B₂O₆] layer, which is formed by [ZnBO₄] chains and [Zn₂B₂O₈] chains. Interestingly, both Pb₃Ba₃Zn₆(BO₃)₈ and α-BaZn₂(BO₃)₂ both contain two different dimensional Zn–O configurations in their structures, which has not been found in other zincoborates. In addition, thermal property analysis, and UV-vis-NIR diffuse reflectance and infrared spectroscopy were also performed. First-principles theoretical studies were also conducted to aid the understanding of their band structures and densities of states.

中文翻译：

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铅₃的Ba ₃的Zn ₆（BO ₃）₈和α-BaZn ₂（BO ₃）₂：含有两种不同尺寸的Zn-O单元zincoborates的新成员†

两个新的zincoborates，即，铅₃的Ba ₃的Zn ₆（BO ₃）₈和α-BaZn ₂（BO ₃）₂中，通过高温溶液法合成并通过单晶X射线衍射来确定其结构首次。Pb ₃ Ba ₃ Zn ₆（BO ₃）_8的结构可以描述为由[Zn ₄ B ₂ O ₁₅ ] _∞链和分离的ZnO ₄四面体和BO组成的三维骨架。_3个三角形，其中包含三种不同类型的隧道，其中有Pb ²⁺和Ba ²⁺阳离子。α-BaZn ₂（BO ₃） _2所表现出的二维层状结构用[锌₂乙₂ ö ₆ ]层，其由[ZnBO形成₄ ]链并且，[Zn ₂乙₂ ö ₈ ]链。有趣的是，铅₃的Ba ₃的Zn ₆（BO ₃） ₈和α-BaZn ₂（BO ₃） ₂两者在其结构中均包含二维的Zn-O构型，这在其他高硼酸锌中尚未发现。此外，还进行了热性能分析，UV-vis-NIR漫反射和红外光谱。还进行了第一性原理理论研究，以帮助理解其能带结构和状态密度。