A novel two-dimensional coordination polymer: poly[diaquatetra-µ2-chlorido-[µ2-2,2'-(piperazine-1,4-diium-1,4-diyl)diacetate]dicadmium(II)].
Acta Crystallogr C
; 69(Pt 6): 620-3, 2013 Jun.
Article
em En
| MEDLINE
| ID: mdl-23744381
ABSTRACT
In the crystal structure of the title two-dimensional metal-organic polymeric complex, [Cd2Cl4(C8H14N2O4)(H2O)2]n, the asymmetric unit contains a crystallographically independent Cd(II) cation, two chloride ligands, an aqua ligand and half a 2,2'-(piperazine-1,4-diium-1,4-diyl)diacetate (H2PDA) ligand, the piperazine ring centroid of which is located on a crystallographic inversion centre. Each Cd(II) centre is six-coordinated in an octahedral environment by an O atom from an H2PDA ligand and an O atom from an aqua ligand in a trans disposition, and by four chloride ligands arranged in the plane perpendicular to the O-Cd-O axis. The complex forms a two-dimensional layer polymer containing [CdCl2]n chains, which are interconnected into an extensive three-dimensional hydrogen-bonded network by C-H···O, C-H···Cl and O-H···O hydrogen bonds.
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01-internacional
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MEDLINE
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En
Ano de publicação:
2013
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Article