Key points are not available for this paper at this time.
Bis-monodentate 4,4′-bipyridine ligands link μ2-chloro-bridged Cu1 dimers to form an extended structure containing channels that are of comparable size to those in some zeolites (drawing on the right; dark spheres, Cu; large shaded spheres, Cl).
Yaghi et al. (Fri,) studied this question.