Synthesis of the first chalcogen-centered diselenophosphinato Zn(II) clusters, [Zn4(μ4-X){Se2PR2}6] (X = S or Se), and a zigzag polymer {ZnBr(μ-Se2PR2)[PyNO]}n
Keywords: Diselenophosphinates; Coordination polymer; Chalcogens; Crystal structure; Zinc clusters