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Two novel lead(II) complexes of 2‐(hydroxymethyl)pyridine: a threefold diamondoid supramolecular network based on Pb4O4 cores and a two‐dimensional (4,4) network based on Pb2O2 units

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Reactions of 2‐(hydroxymethyl)pyridine (Hhmp) with PbCl2 and Pb(NO3)2 at room temperature led to the formation of two novel compounds, namely tetrakis[μ3‐(pyridin‐2‐yl)methanolato]‐tetrahedro‐tetrakis[chloridolead(II)], [Pb4(C6H6NO)4Cl4], (I), and poly[(μ2‐nitrato)[μ2‐(pyridin‐2‐yl)methanolato]lead(II)], [Pb(C6H6NO)(NO3)] n , (II). Compound (I) exhibits a tetranuclear Pb4O4 cubane structure, which is connected through π–π stacking interactions between the pyridine groups of the (pyridin‐2‐yl)methanolate (hmp) ligands and through C—H...Cl interactions to form an interesting threefold diamondoid network. Compound (II) possesses two‐dimensional (4,4)‐sql topology based on a Pb2O2 unit, which is further extended into a three‐dimensional supramolecular network through π–π stacking interactions between adjacent pyridine rings and through C—H...O interactions between the pyridine C atoms of the hmp ligands and the nitrate anions.
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Document Type: Research Article

Affiliations: Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, People's Republic of China

Publication date: April 15, 2013

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