The structure of κ-Ag₂Mg₅ has been refined based on X-ray powder diffraction measurements (R_wp = 0.083). The compound has been prepared by combining mechanical alloying techniques and thermal treatments. The intermetallic presents the prototypical structure of Co₂Al₅, an hexagonal crystal with the symmetries of space group P6₃/mmc, and belongs to the family of kappa-phase structure compounds. The unit cell dimensions are a=8.630(1) Å and c=8.914(1) Å. Five crystallographically independent sites are occupied, Wyckoff positions 12k, 6h and 2a are filled with Mg, another 6h site is occupied with Ag, and the 2c site presents mixed Ag/Mg occupancy. The crystal chemistry of the structure and bonding are briefly discussed in the paper.

κ-Ag的结构₂的Mg ₅具有基于粉末X射线衍射测量（R被细化_WP = 0.083）。该化合物是通过将机械合金化技术和热处理相结合而制备的。金属间化合物呈现出Co ₂ Al ₅的原型结构，Co ₂ Al ₅是具有空间群P6 ₃ / mmc对称性的六边形晶体，属于κ相结构化合物家族。晶胞尺寸为a = 8.630（1）Å和c = 8.914（1）Å。五个独立晶体位点被占据，Wyckoff的位置12 ķ，6 ħ和2一个填充有镁，另外6h位点被Ag占据，而2 c位点表示Ag / Mg混合占据。本文简要讨论了结构和键合的晶体化学。