ja5b07625_si_005.cif (894.86 kB)

Ruthenium–Cobalt Bimetallic Supramolecular Cages via a Less Symmetric Tetrapyridyl Metalloligand and the Effect of Spacer Units

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posted on 14.10.2015, 00:00 by Ji Yeon Ryu, Yu Jin Park, Hyoung-Ryun Park, Manik Lal Saha, Peter J. Stang, Junseong Lee
The self-assembly of Cs-symmetric tetra­pyridyl cobalt–​metallo­ligand 2 with three half-sandwich diruthenium acceptors, 35, led to the formation of A4D2 (A = acceptor, D = donor) metalla­cages 68, as shown by ESI mass spectrometry, NMR spectroscopy, and X-ray crystallography. The solid-state structures of 68 revealed that the length of the acceptor unit greatly influences the molecular packing of these metalla­cages. Hence, in the solid state, 68 can be considered to have water­wheel-shaped, tweezer-shaped, and butterfly-like architectures, respectively.

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