Abstract
|Cu+Cl3|[Cu2+2(TeO3)] (1), |Сu+1.7Cl3.8|[Cu2+4O(TeO3)2] (2) and Tl+2[Cu2+2Te6+Te4+6O18] (3) were obtained by CVT and hydrothermal methods in CuCl-CuCl2-TeO2 and Tl2CO3-CuO-TeO2 systems. 1 demonstrates layered topology with pores (1×0.65nm), whereas 2 has open-framework structural architecture with two-dimensional system of channels (1.16×0.74nm). Channels in open-framework of 3 are occupied by Tl+ cations. ‘Host-guest’ structural organization of 1 and 2 with host Cu2+-tellurite units of different dimensionality formed by oxocentered OCu4 tetrahedra and OCu2Te triangles and guest Cu+-chloride species is the result of formation from gases in CVT reactions. Oxocentered units determine basic topologies of the structures of 1 and 2 and influence their stability and properties. [Te6+Te4+6O18]6− polytellurite-tellurate framework in 3 can be represented as consisting of Kagome-like layers.
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