The intermetallic compound Mg21Zn25

The crystal structure of the intermetallic compound henicosa­magnesium pentacosazinc, Mg₂₁Zn₂₅, has been determined by single‐crystal X‐ray diffraction. It is isomorphous with Zr₂₁Re₂₅ and deviates slightly from the rules that define the Frank–Kasper phases.