A three-dimensional Pb(II) coordination framework: poly[[μ4-(E)-2,2'-(diazene-1,2-diyl)dibenzoato]dimethanollead(II)]

Lei-Lei Liu; Cai-Xia Yu; Lei Hua; Lu Lin

doi:10.1107/S2053229614012534

A three-dimensional Pb(II) coordination framework: poly[[μ4-(E)-2,2'-(diazene-1,2-diyl)dibenzoato]dimethanollead(II)]

Acta Crystallogr C Struct Chem. 2014 Jul;70(Pt 7):650-3. doi: 10.1107/S2053229614012534. Epub 2014 Jun 6.

Authors

Lei-Lei Liu¹, Cai-Xia Yu¹, Lei Hua¹, Lu Lin¹

Affiliation

¹ College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, Henan, People's Republic of China.

PMID: 24992104
DOI: 10.1107/S2053229614012534

Abstract

In the title coordination polymer, [Pb(C14H8N2O4)(CH3OH)2]n, the asymmetric unit contains half of a Pb(II) cation, half of a 2,2'-(diazene-1,2-diyl)dibenzoate dianionic ligand (denoted L(2-)) and one methanol ligand. Each Pb(II) centre is eight-coordinated by six O atoms of chelating/bridging carboxylate groups from four L(2-) ligands and two O atoms from two terminal methanol ligands, forming a distorted dodecahedron. The [PbL2(MeOH)2] subunits are interlinked via the sharing of two carboxylate O atoms to form a one-dimensional [PbL2(MeOH)2]n chain. Adjacent chains are further connected by L(2-) ligands, giving rise to a two-dimensional layer, and these layers are bridged by L(2-) linkers to afford a three-dimensional framework with a 4(12)6(3) topology.

Keywords: 2,2′-(diazene-1,2-diyl)dibenzoic acid; 41263 topology; MOFs; crystal structure; metal–organic frameworks; three-dimensional lead(II) coordination framework.