ScRuB and ScRuB: Borides Featuring a 2D Infinite Boron Clustering.

Two borides, ScRuB and ScRuB, were obtained by argon-arc melting of the elements followed by annealing at 800 °C. ScRuB exhibits a new structure type with the space group Cmcm (a = 3.0195(2) Å, b = 15.