An Unprecedented Eight-Connected Self-Penetrating Coordination Framework Based on Cage-Shaped [Pb6(μ4-O)2(O2C)8] Clusters

A unique self-penetrating coordination framework with (4(24).6(4)) network topology is constructed from cage-shaped [Pb-6(mu(4)-O)(2)(O2C)(8)] clusters as eight-connected nodes and long V-shaped dicarboxylate backbones as spacers, which interestingly can be regarded as the cross-linking of two interpenetrating six-connected pcu networks.