Key points are not available for this paper at this time.
Three novel Mn, Co, and Zn MOFs containing large tetrahedral cages have been prepared and are stable up to 400 degree C; X-ray diffraction revealed the frameworks are isostructural having a diamondoid structure of "hourglass" subunits connected by triangular carboxylate ligands.
Sun et al. (2005) studied this question.