Synthesis and Characterization by a Single-Crystal XRD Study of [H3O]4[Cu7(NH3)2(H2O)4{B24O39(OH)12}]·13H2O: An Unusual [{(H2O)2(NH3)Cu}2{B2O3(OH)2}2Cu]2+ Trimetallic Bis(dihydroxytrioxidodiborate) Chain Supported by a [{Cu4O}{B20O32(OH)8}]6− Cluster
Journal of cluster science