Two organic-inorganic hybrid polyoxotungstogermanates,HK_(7)(H_(2)O)_(6)(C_(6)H_(16)N_(2))_(6)-[Fe(C_(6)H_(14)N_(2))Dy(H_(2)O)_(2)Fe_(2)(B-α-GeW_(9)O_(3)4)(GeW_(7)O_(2)_(9))]_(2)·14H_(2)O(1)and(Hphen)_(2)[Fe(phe...Two organic-inorganic hybrid polyoxotungstogermanates,HK_(7)(H_(2)O)_(6)(C_(6)H_(16)N_(2))_(6)-[Fe(C_(6)H_(14)N_(2))Dy(H_(2)O)_(2)Fe_(2)(B-α-GeW_(9)O_(3)4)(GeW_(7)O_(2)_(9))]_(2)·14H_(2)O(1)and(Hphen)_(2)[Fe(phen)_(3)]_(2)[Dy(phen)Fe(B-α-GeW9O_(3)4)]_(2)(2)(C_(6)H_(14)N_(2)=trans-1,2-cyclohexanediamine,phen=1,10-phenanthroline),containing organic ligand chelated Fe-Dy heterometallic clusters have been successfully synthesized under hydrothermal conditions.Compound 1 contains a cable-like structural fragment which consists of a centrosymmetric“S”-shaped K_(7)O_(14) cluster and a centrosymmetric“S”-shaped organic ligand chelated Fe-Dy heterometallic cluster substituted tungstogermanate,{[Fe(C_(6)H_(14)N_(2))Dy(H_(2)O)_(2)Fe_(2)(B-α-GeW_(9)O_(3)_(4))(GeW7O_(2)_(9))]_(2)}^(20-).Compound 2 possesses a sandwich structure which contains two trilacunary[B-α-GeW_(9)O_(3)_(4)]^(10-)units and one{(phen)DyFeO_(6)}_(2) cluster in the middle layer.Both compounds have magnetic properties,with compound 1 having frequency dependent magnetic properties.展开更多
基金support from the National Natural Science Foundation of China(No.21971040,21671040 and 21773029)the Natural Science Fund of Fujian Province(No.2017J01579).
文摘Two organic-inorganic hybrid polyoxotungstogermanates,HK_(7)(H_(2)O)_(6)(C_(6)H_(16)N_(2))_(6)-[Fe(C_(6)H_(14)N_(2))Dy(H_(2)O)_(2)Fe_(2)(B-α-GeW_(9)O_(3)4)(GeW_(7)O_(2)_(9))]_(2)·14H_(2)O(1)and(Hphen)_(2)[Fe(phen)_(3)]_(2)[Dy(phen)Fe(B-α-GeW9O_(3)4)]_(2)(2)(C_(6)H_(14)N_(2)=trans-1,2-cyclohexanediamine,phen=1,10-phenanthroline),containing organic ligand chelated Fe-Dy heterometallic clusters have been successfully synthesized under hydrothermal conditions.Compound 1 contains a cable-like structural fragment which consists of a centrosymmetric“S”-shaped K_(7)O_(14) cluster and a centrosymmetric“S”-shaped organic ligand chelated Fe-Dy heterometallic cluster substituted tungstogermanate,{[Fe(C_(6)H_(14)N_(2))Dy(H_(2)O)_(2)Fe_(2)(B-α-GeW_(9)O_(3)_(4))(GeW7O_(2)_(9))]_(2)}^(20-).Compound 2 possesses a sandwich structure which contains two trilacunary[B-α-GeW_(9)O_(3)_(4)]^(10-)units and one{(phen)DyFeO_(6)}_(2) cluster in the middle layer.Both compounds have magnetic properties,with compound 1 having frequency dependent magnetic properties.
