Niobium-bearing arsenides and germanides from elemental mixtures not involving niobium: a new twist to an old problem in solid-state synthesis

作者：Baranets Sviatoslav; He Hua; Bobev Svilen^*

来源：Acta Crystallographica Section C-Structural Chemistry, 2018, 74(5): 623-+.

DOI：10.1107/S2053229618005739

• arsenides
• germanides
• niobium
• solid-state synthesis
• crystal structure

Three isostructural transition-metal arsenides and germanides, namely niobium nickel arsenide, Nb-0.92(1) NiAs, niobium cobalt arsenide, NbCoAs, and niobium nickel germanide, NbNiGe, were obtained as inadvertent side products of high-temperature reactions in sealed niobium containers. In addition to reporting for the very first time the structures of the title compounds, refined from single-crystal X-ray diffraction data, this article also serves as a reminder that niobium containers may not be suitable for the synthesis of ternary arsenides and germanides by traditional high-temperature reactions. Synthetic work involving alkali or alkaline-earth metals, transition or early post-transition metals, and elements from groups 14 or 15 under such conditions may yield Nb-containing products, which at times could be the major products of such reactions.

• 出版日期2018-5