Abstract

Crystals of {[Cu5(oba)4(bpmp)3(H2O)2]·10H2O}n(1, oba = oxybisbenzoate, bpmp = bis(4-pyridylmethyl)piperazine) were prepared by hydrothermal methods. A single-crystal structure determination showed the presence of [Cu5(oba)4(H2O)2]n ribbons with {Cu2(OCO)4} paddlewheel dimers connected to isolated divalent copper atoms and isolated monovalent copper atoms. These ribbon motifs are pillared into the full complicated 3D coordination polymer net of 1 by long-spanning bpmp tethers. Compound 1 presents the unique example of a self-penetrated 3,4,4-connected (83)2(6.8.104)(64.8.10) topology. Decameric water molecule clusters entrained within the net play an important stabilization role.

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