An Antimony Sulfide with a Two-Dimensional, Intersecting System of Channels

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Science  18 Jan 1991:
Vol. 251, Issue 4991, pp. 293-294
DOI: 10.1126/science.251.4991.293


A novel open antimony sulfide framework of composition [Sb3S5] has been synthesized hydrothermally, in the presence of tetramethyl ammonium ions. Determination of the crystal structure demonstrates that the (Me4N)+ molecules (Me, methyl) occlude a system of intersecting channels at 90° to one another. The three-dimensional framework is assembled from a new building unit, flat s-shaped buckled sheets of edge-linked 4-rings containing Sb2S2 moieties. These are cross-linked in two directions to form the system of channels.

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