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Macrocyclic amines as structure-directing agents for the synthesis of three-dimensional antimony-sulfide frameworks

Powell, A.V., Lees, R.J.E. and Chippindale, A.M. (2006) Macrocyclic amines as structure-directing agents for the synthesis of three-dimensional antimony-sulfide frameworks. Inorganic Chemistry, 45 (10). pp. 4261-4267. ISSN 0020-1669

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To link to this article DOI: 10.1021/ic060263f

Abstract/Summary

A new family of antimony sulfides, incorporating the macrocyclic tetramine 1,4,8,11-tetraazacyclotetradecane ( cyclam), has been prepared by a hydrothermal method. [C10N4H26][Sb4S7] (1), [Ni(C10N4H24)][Sb4S7] (2), and [Co(C10N4H24)](x)[C10N4H26](1-x)[Sb4S7] (0.08 <= x <= 0.74) (3) have been characterized by single-crystal X-ray diffraction, elemental analysis, thermogravimetry, and analytical electron microscopy. All three materials possess the same novel three-dimensional Sb4S72- framework, constructed from layers of parallel arrays of Sb4S84- chains stacked at 90 to one another. In 1, doubly protonated macrocyclic cations reside in the channel structure of the antimonysulfide framework. In 2 and 3, the cyclam acts as a ligand, chelating the divalent transition- metal cation. Analytical and X-ray diffraction data indicate that the level of metal incorporation in 2 is effectively complete, whereas in 3, both metalated and nonmetalated forms of the macrocycle coexist within the structure.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11562
Uncontrolled Keywords:CRYSTAL-STRUCTURE, LAYERED THIOANTIMONATE(III), SOLVOTHERMAL SYNTHESIS, HYDROTHERMAL SYNTHESIS, COMPLEXES, COMPOUND, CLUSTERS

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