Behera, J. N. ; Rao, C. N. R. (2006) Amine-templated one-dimensional metal sulfates including a mixed-Valent Fe compound with a half-kagome structure Chemistry - An Asian Journal, 1 (5). pp. 742-750. ISSN 1861-4728
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/asia.20...
Related URL: http://dx.doi.org/10.1002/asia.200600083
Abstract
Organically templated metal sulfates are relatively new. Six amine-templated transition-metal sulfates with different types of chain structures, including a novel iron sulfate with a chain structure corresponding to one half of the kagome structure, were synthesized by hydro/solvothermal methods. Amongst the one-dimensional metal sulfates, [C10N2H10][Zn(SO4)Cl2] (1) is the simplest, being formed by corner-linked ZnO2Cl2 and SO4 tetrahedra. [C6N2H18][Mn(SO4)2(H2O)2] (2) and [C2N2H10][Ni(SO4)2(H2O)2] (3) have ladder structures comprising four-membered rings formed by SO4 tetrahedra and metal-oxygen octahedra, just as in the mineral kröhnkite. [C4N2H12][VIII(OH)(SO4)2]·H2O (4) and [C4N2H12][VF3(SO4)] (5) exhibit chain topologies of the minerals tancoite and butlerite, respectively. The structure of [C4N2H12][H3O][FeIIIFeII F6(SO4)] (6) is noteworthy in that it corresponds to half of the hexagonal kagome structure. It exhibits ferrimagnetic properties at low temperatures and the absence of frustration, unlike the mixed-valent iron sulfate with the full kagome structure.
Item Type: | Article |
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Source: | Copyright of this article belongs to John Wiley and Sons. |
Keywords: | Crystal Engineering; Half-kagome Structures; Iron; Metal Sulfates; One-dimensional Chains |
ID Code: | 39997 |
Deposited On: | 20 May 2011 13:28 |
Last Modified: | 20 May 2011 13:28 |
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