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Abstract
Cyanoborate anions are versatile bridging ligands that lead to structurally diverse compounds from a crystal engineering perspective. Here, we present the synthesis of a cubane-type tetranuclear Ru complex, [Ru4(Cp)4{B(CN)4}4] (1, Cp = C5H5), achieved through the photoirradiation of [Ru(C5H5)(C6H6)]B(CN)4 in solution or the reaction of [CpRu(MeCN)3]+ with KB(CN)4. This complex served as a host for various solvents, generating different pseudopolymorphs, including 1·nCH2Cl2 (n = 1, 2, 3), 1·0.5C6H6, 1·C6H5Me, and 1·3THF upon recrystallization. Moreover, the four free CN-coordinating sites in 1 allow it to acts a bridging ligand, enabling the formation of coordination polymers through reactions with metal complexes.
Supplementary materials
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Supporting Information
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Packing diagrams and crystallographic parameters
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