Four new metalâorganic frameworks (MOFs), [Co2(L)2(DMF)3]·6.5DMF·5H2O}n (1), [Cu(L)(H2O)]·2DMA}n (2), [Zn2(L)(DMF)2(HCOO)2]·3DMF·2H2O}n (3), and [Cd2(L)2(DMF)(H2O)(μ2-OH2)2]·3.5DMF·2H2O}n (4) (H2L = N-phenyl-Nâ²-phenylbicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxdiimide dicarboxylic acid; DMA = N,N-dimethylacetamide; DMF = N,N-dimethylformamide) have been synthesized under solvothermal conditions. MOFs 1, 2 and 3 display various interesting two-dimensional (2D) structures, including 2D lattice structure, 2-fold interpenetrated 2D structure, and 2D tube-based network. MOF 4 features an interesting two-fold interpenetrated 3D structure possessing a 6-connected pcu network with the point symbol of 412·63}. Photoluminescent properties of MOFs 3 and 4 have been investigated in the solid state at room temperature.
四种新的
金属有机框架(MOFs):[Co2(L)2(
DMF)3]Â-6.5
DMFÂ-5 }n (1)、[Cu(L)(
H2O)]Â-2
DMA}n (2)、[Zn2(L)(
DMF)2(HCOO)2]Â-3
DMFÂ-2 }n (3)和[Cd2(L)2(
DMF)( )(δ2-OH2)2]Â-3.5
DMFÂ-2 }n(4)(H2L = N-苯基-Nâ²-苯基双环[2.2.2]辛-7-烯-2,3,5,6-四甲酰二
亚胺二
羧酸;
DMA = N,N-二甲基乙酰胺;
DMF =
N,N-二甲基甲酰胺)是在溶热条件下合成的。MOFs 1、2 和 3 显示出各种有趣的二维(2D)结构,包括二维晶格结构、二维折叠互穿结构和二维管状网络结构。MOF 4 具有有趣的二重互穿三维结构,拥有一个 6 连接的 pcu 网络,其点符号为 412Â-63}。研究了 MOF 3 和 4 在室温固态下的光致发光特性。