Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 4 (April 2013)


metal-organic compounds



qs3024 scheme

Acta Cryst. (2013). C69, 394-399    [ doi:10.1107/S0108270113006987 ]

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

T. Liu, Y.-P. Pan, S. Wang and J.-M. Dou

Abstract: 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[[mu]3-(pyridin-2-yl)methanolato]-tetrahedro-tetrakis[chloridolead(II)], [Pb4(C6H6NO)4Cl4], (I), and poly[([mu]2-nitrato)[[mu]2-(pyridin-2-yl)methanolato]lead(II)], [Pb(C6H6NO)(NO3)]n, (II). Compound (I) exhibits a tetranuclear Pb4O4 cubane structure, which is connected through [pi]-[pi] 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 [pi]-[pi] 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.

Formula: [Pb4(C6H6NO)4Cl4] and [Pb(C6H6NO)(NO3)]


hkldisplay filedownload file

Structure factor file (CIF format) (68.1 kbytes)
[ doi:10.1107/S0108270113006987/qs3024Isup2.hkl ]
Contains datablock I


hkldisplay filedownload file

Structure factor file (CIF format) (76.4 kbytes)
[ doi:10.1107/S0108270113006987/qs3024IIsup3.hkl ]
Contains datablock II


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