期刊
DALTON TRANSACTIONS
卷 44, 期 14, 页码 6358-6362出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt03319a
关键词
-
资金
- Department of Science and Technology under the SERB
- Council of Scientific and Industrial Research (CSIR) for fellowship
Reactions of diphenyltellurium oxide with organostibonic acid and polymeric triphenylantimony oxide have been investigated independently. Single crystal X-ray diffraction studies have revealed the formation of novel and rare mixed valent Sb(V)/(III) containing polyoxostibonates {(C6H5)(3)Te}(2){Na-2(H2O)(2)(p-Br-C6H4SbV)(10)(Sb-III)(4)[(C6H5)(2)Te](4)(O)(30)(OH)(4)} 1 and {(C6H5)(3)Te}(4){[(C6H5)(2)Sb-V](4)(Sb-III)(4)(O)(12)(OH)(4)} 2. Solution Te-125 NMR supports the solid state structures presented. Interestingly, during the assembly of these POMs several processes happen simultaneously. Rarely observed reduction from Sb(V) to Sb(III), complete dearylation of organoantimony precursors and complexation ability of a tetraorganoditelluroxane moiety stabilizing large and novel POM structures (as in 1) along with the formation of triphenyltellurium cations which not only provide charge balance but also stabilize the POM framework (as in 2) by weak interactions are reported.
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