Please use this identifier to cite or link to this item: http://lib.jncasr.ac.in:8080/jspui/handle/10572/459
Title: Organically templated linear and layered cadmium sulfates
Authors: Paul, Geo
Choudhury, Amitava
Rao, C N R
Keywords: 4-Connected 3-Dimensional Nets
Open-Framework Structures
Crystal-Structure
Hydrogen-Bonds
Iron Phosphate
Ethylenediamine
Classification
Enumeration
Chemistry
Silicate
Issue Date: 2002
Publisher: Royal Society of Chemistry
Citation: Journal Of The Chemical Society-Dalton Transactions (20), 3859-3867 (2002)
Abstract: By reacting cadmium salts with H2SO4 in the presence of organic amines or directly with amine sulfates under hydrothermal conditions, it has been possible to prepare three linear cadmium sulfates of linarite topology, with the compositions [H3N(CH2)(2)NH3](2)[CdCl2(SO4)][SO4].H2O, I, [HN(CH2)(6)NH][CdBr2(SO4)], II, [HN(CH2)(6)NH][CdCl2-(SO4)], III. A layered cadmium sulfate of composition [H3N(CH2)(3)NH3][Cd-2(H2O)(2)(SO4)(3)], IV, has also been obtained. These sulfates are the first examples of a family of organically templated metal sulfates with interesting structural features. In the linarite chains, the CdX4O2 (X = Cl, Br) octahedron shares two trans-edges to form an [Mphi(4)] (phi = anionic ligand) chain decorated by the SO4 tetrahedron that adopts a staggered arrangement on either side of the chain. IV is constructed by the fusion of four-membered ring ladders involving edge sharing between the sulfate tetrahedron and metal octahedron. IV appears to be the first member of a family of organically templated metal sulfates containing an octahedral-tetrahedral 2D net wherein the sulfate tetrahedron is connected at all four corners
URI: http://hdl.handle.net/10572/459
Other Identifiers: 1472-7773
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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