pH-dependent assembly of 1D–2D structures based on both {V10O28} and [NiMo6O24H6]4 − units: Synthesis, structure and magnetic properties
Graphical abstract
Two novel complexes consisting of both {V10O28} and [NiMo6O24H6]4 − units arise from a pH-dependent self-assembly process, in which both {V10O28} and [NiMo6O24H6]4 − anions could be bridged by Na+ ions to form the 1D chain-like and 2D layer structures under lower pH value.
Section snippets
Acknowledgment
The authors are thankful for the financial support from the Natural Science Foundation of China (Grant Nos. 21001021 and 21273031) and from the Department of Science and Technology of Jilin Province (201201105).
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2019, Journal of Molecular StructureCitation Excerpt :However, little progress has been paid to the assembly of organic-inorganic hybrids utilizing two or more types of polyanions, especially the organic-inorganic hybrids constructed from heteropolyanions and isopolyanions. So far, only few examples of such materials have been reported: [{Cu(2,20-bipy)}6(Mo6O22)][GeMo12O40]·H2O, [{Cu2(tpyprz)(H2O)3}2{Mo8O26}{Mo12O36-(AsO4)}]·8H2O, [{Cu(2,20-bipy)}6(Mo6O22)][SiMo12O40] and [H2N(CH2CH2)2O]6[Na(H2O)3]2[V10O28H2][NiMo6O24H6]·4H2O [7–10]. This is mainly because the polymolybdate behaves with the pH-dependence and hydrolytic complexity in aqueous solution, so that the direct determination of such coexistence is considerably difficult [11].
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