Crystals of the rare earth double molybdate KYb(MoO₄)₂ were grown by spontaneous nucleation from a K₂Mo₄O₁₃ flux. The typical crystals were colorless and elongated, well-developed plates. The material has been characterized by powder X-ray diffraction (PXRD), energy-dispersive X-ray spectrometry (EDS), and Raman spectroscopy methods. The structural properties have been investigated through single-crystal X-ray diffraction at room temperature. KYb(MoO₄)₂ crystallizes in the orthorhombic symmetry, space group Pbcn (No. 60), a = 5.0395(2), b = 18.2821(9), c = 7.8635(4) Å, and Z = 4. A complete ordering of the Yb³⁺ and Mo⁶⁺ cations has been found. The Yb³⁺ ions are located in distorted YbO₈ antiprisms which form chains of edge-sharing, aligned along the c-axis while the Mo⁶⁺ ions are placed in a slightly deformed tetrahedral environment of oxygen atoms. Double bridge modes of the “Mo₂O₈ dimers” have been identified in the unpolarized Raman spectra. The temperature-dependent magnetic susceptibility of KYb(MoO₄)₂ follows a Curie–Weiss law with a Weiss constant of −52 K.

稀土双钼酸盐KYb（MoO ₄）_2的晶体是通过自发地从K ₂ Mo ₄ O ₁₃熔剂中成核而生长的。典型的晶体是无色且细长的，发育良好的板。该材料已通过粉末X射线衍射（PXRD），能量色散X射线光谱法（EDS）和拉曼光谱法进行了表征。通过在室温下通过单晶X射线衍射研究了结构性能。KYb（MoO ₄）₂以正交对称结晶，空间群Pbcn（No. 60），a  = 5.0395（2），b  = 18.2821（9），c = 7.8635（4）Å，Z =4 。已发现Yb ³⁺和Mo ⁶⁺阳离子的完整排序。Yb ³⁺离子位于扭曲的YbO ₈反棱镜中，这些棱镜形成了沿c轴对齐的边缘共享链，而Mo ⁶⁺离子则置于氧原子的略有变形的四面体环境中。在非偏振拉曼光谱中已经确定了“ Mo ₂ O ₈二聚体”的双桥模式。KYb（MoO ₄）₂的温度依赖性磁化率遵循居里-魏斯定律，魏斯常数为-52K。