| Abstract
| - Three novel 2-D supramolecular networks are constructed by [GeMo12O40]4- and [Ln(NMP)4(H2O)4]4+ via hydrogen-bonding interactions.
- Three new compounds [Ln(NMP)4(H2O)4][HxGeMo12O40]·2NMP·3H2O (Ln = CeIV (1), PrIV (2), x = 0; Ln = NdIII(3), x = 1; NMP = N-methyl-2-pyrrolidone) have been prepared in aqueous solution and characterized by elementalanalyses, IR, UV−vis, and TG analyses. The single crystal X-ray diffraction shows that all three compounds areisostructural. In their structures, an interesting two-dimensional supramolecular network is constructed by the[GeMo12O40]4- anion and [Ln(NMP)4(H2O)4]3+/4+ cation building blocks via hydrogen-bonding interactions, exhibitingthe porous structure. Upon irradiation with UV light, the crystals of 1−3 show photochromic behavior.
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