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Acta Cryst. (2009). E65, m1617-m1618 [ doi:10.1107/S1600536809048429 ]
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2-acetato-aquadi-3-isonicotinato-erbium(III)silver(I)] perchlorate]Abstract: In the title three-dimensional heterometallic complex, {[AgEr(C6H4NO2)2(C2H3O2)(H2O)]ClO4}n, the eight-coordinate ErIII ion adopts a distorted bicapped trigonal-prismatic geometry, being coordinated by four O atoms from four different isonicotinate ligands, three O atoms from two different acetate ligands and one O atom of the water molecule. The two-coordinate AgI ion is surrounded by two N atoms from two different isonicotinate anions in a slightly bent configuration. These building blocks are connected by bridging isonicotinate and acetate ligands, generating a three-dimensional network. Ths structure is consolidated by O-H
O hydrogen bonding between the coordinated water molecule and a carboxylate group of the acetate ligand. The perchlorate anion is disordered over two sites with site-occupancy factors of 0.526 (13) and 0.474 (13), while the methyl group of the acetate ligand is equally disordered over two sites.
Online 21 November 2009
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