Yb3AuGe2In3: An Ordered Variant of the YbAuIn Structure Exhibiting Mixed-Valent Yb Behavior.

Large single crystals of the title compound are obtained from a 3:2:3:15 mixture of Yb, Au, Ge, and In (alumina crucible in a sealed silica tube, 1000 °C, 5 h, 90% yield).