Chemical Research in Chinese Universities ›› 2009, Vol. 25 ›› Issue (3): 279-281.

• Articles • Previous Articles     Next Articles

Novel Metal-organic Framework Compound Pb(C5H4NCOO)2 Showing One-dimensional Channel Defined as Four Leads and Four Nicotinic Acids

XU Xiao-yu, ZHOU Rui-sha, SONG Jiang-feng and XU Ji-qing*   

  1. College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, P. R. China
  • Received:2008-04-28 Revised:2008-05-19 Online:2009-05-25 Published:2009-08-07
  • Supported by:

    Supported by the National Natural Science Foundation of China(No.20571032).

Abstract:

A novel metal-organic framework(MOF) compound of Pb(C5H4NCOO)2 was hydrothermally synthesized and structurally determined by X-ray single-crystal diffraction. The data of unit cell: orthorhombic space group Pccn, a=1.0325(2) nm, b=1.3597(3) nm, c=0.8499(2) nm, V=1.1931(4) nm3, Z=4, Dc=2.513 g/cm3, R1=0.047 were obtained on the basis of 1365 reflections with Fo>2σ(Fo). PbN2O6 polyhedron adopts the distorted cubic configuration which is assigned to the holodirected geometry. These PbN2O6 polyhedra can form the zigzag chain by edge-sharing mode along(001) direction. Pb atom is connected by six nicotinic acid molecules, leading neutral 3D metal-organic framework with a channel defined by four Pb atoms and four nicotinic?acid molecules.

Key words: Metal-organic framework(MOF); Lead; Holodirected structure