Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 4 (April 2013)

metal-organic compounds

Acta Cryst. (2013). C69, 394-399    [ ]

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)
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Contains datablock I

hkldisplay filedownload file

Structure factor file (CIF format) (76.4 kbytes)
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Contains datablock II


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