Ni_5-δSn₄Zn (δ ∼ 0.25) from single-crystal data

The crystal structure of Ni_5-δSn₄Zn (δ ∼ 0.25) is an ordered representative of the Ni₂GaGe prototype exhibiting some vacancies at one Ni site. The relation of building blocks to the NiAs structure type is shown.