A new 3d-4f polymer formulated as {[Sm Co2（μ2-Hmimda）3（μ2-H2mimda）·4H2O]· 3H2O}n（H3mimda = 1-H-2-methyl-4,5-imidazole-dicarboxylic acid） has been hydrothermally synthesized and structurally character...A new 3d-4f polymer formulated as {[Sm Co2（μ2-Hmimda）3（μ2-H2mimda）·4H2O]· 3H2O}n（H3mimda = 1-H-2-methyl-4,5-imidazole-dicarboxylic acid） has been hydrothermally synthesized and structurally characterized by elemental analysis,X-ray single-crystal diffraction and magnetic susceptibility measurement.It crystallizes in monoclinic system,space group C2/c,with a = 17.251（6）,b = 16.965（6）,c = 14.668（5） A,β = 118.565（5）A,Z = 4,V = 3770（2） A^3,F（000） = 1984,the final R = 0.0597 and w R = 0.1820.In the crystal,the dicarboxylate ligand links the Sm（ⅡI） and Co（Ⅱ） ions to give rise to a heterometallic [Sm Co2（μ2-Hmimda）3（μ2-H2mimda）] aggregate which acts as the second building unit.Then,the SBUs further extended a 2D corrugated layer with a（4,4） topology.The title complex displays strong photoluminescence in the solid state.展开更多
基金supported by the National Natural Science Foundation of China(No.21273101)Program for Science&Technology Innovation Talents in Universities of Henan(2014HASTIT014)+2 种基金Tackle Key Problem of Science and Technology Project of Henan Province(No.142102310483)Key program of Foundation of Education Committee of Henan Province(No.14B150033)Graduate Innovation Foundation Project of Nanyang Normal University(No.20141110)
文摘A new 3d-4f polymer formulated as {[Sm Co2（μ2-Hmimda）3（μ2-H2mimda）·4H2O]· 3H2O}n（H3mimda = 1-H-2-methyl-4,5-imidazole-dicarboxylic acid） has been hydrothermally synthesized and structurally characterized by elemental analysis,X-ray single-crystal diffraction and magnetic susceptibility measurement.It crystallizes in monoclinic system,space group C2/c,with a = 17.251（6）,b = 16.965（6）,c = 14.668（5） A,β = 118.565（5）A,Z = 4,V = 3770（2） A^3,F（000） = 1984,the final R = 0.0597 and w R = 0.1820.In the crystal,the dicarboxylate ligand links the Sm（ⅡI） and Co（Ⅱ） ions to give rise to a heterometallic [Sm Co2（μ2-Hmimda）3（μ2-H2mimda）] aggregate which acts as the second building unit.Then,the SBUs further extended a 2D corrugated layer with a（4,4） topology.The title complex displays strong photoluminescence in the solid state.
