Abstract
Single crystal X-ray structures have been obtained for [Ag(L-cysteic acid)][Formula: see text] (1) and [Ag(L-cysteic acid)(H2O)][Formula: see text] (2) These compounds represent the first two structurally characterized complexes of cysteic acid. Network 1 is shown to adopt an infinite two-dimensional structure, describable as one-dimensional ribbons cross-linked into layers. The basic building block is a doubly carboxylate-bridged silver(I) dimer. Compound 1 crystallizes in the monoclinic space group P21 (a = 5.5066(3) Å, b = 7.5761(4) Å, c = 16.644(1) Å, β = 94.335(1)°). Compound 2, while differing chemically from 1 by only one water molecule, forms a three-dimensional structure built upon the same core dimer unit as that observed in 1. In 2, these units assemble in a different manner via the weak interactions and form a channel structure in which the guest water molecules are included. Compound 2 crystallizes in the monoclinic space group P21 (a = 8.120(2) Å, b = 9.805(2) Å, c = 9.204(2) Å, β = 98.45(3)°).Key words: silver, carboxylates, sulfonates, coordination polymer.
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