Synthesis, structures, and fluorescent properties of four new calcium(II) metal–organic frameworks
作者:Yutong Wang、Weidong Fan、Xia Wang、Di Liu、Zhaodi Huang、Fangna Dai、Jing Gao
DOI:10.1016/j.poly.2018.08.025
日期:2018.11
Abstract Four calcium(II) metal–organic frameworks, [Ca(BD)DMF]·DMF·H2O (1), [Ca2(EDDA)(H2O)2(DMA)]·3H2O (2), [Ca(TTD)(Diox)]·2H2O (3), and [Ca2(DBBD)(H2O)2(DMF)]·2DMF·H2O (4) were designed and constructed by using four different carboxylate ligands, i.e., [2,2′-bipyridine]-5,5′-dicarboxylic acid (H2BD), (E)-5,5′-(diazene-1,2-diyl) diisophthalic acid (H4EDDA), 2′,3′,5′,6′-tetramethyl-[1,1′:4′,1″-terphenyl]-4
摘要四种钙(II)金属-有机骨架,[Ca(BD)DMF]·DMF·H2O(1),[Ca2(EDDA)(H2O)2(DMA)]·3H2O(2),[Ca(TTD) (Diox)]·2H2O(3)和[Ca2(DBBD)(H2O)2(DMF)]·2DMF·H2O(4)是通过使用四个不同的羧酸盐配体(即[2,2'-联吡啶] -5,5'-二羧酸(H2BD),(E)-5,5'-(二烯-1,2-二基)二间苯二甲酸(H4EDDA),2',3',5',6'-四甲基-[1,1':4',1''-三联苯] -4,4''-二羧酸(H2TTD)和(E)-4',4′-(二氮烯-1,2-二基)双( ([1,1'-联苯] -3,5-二羧酸))(H4DBBD)分别(DMF = N,N-二甲基甲酰胺; DMA =二甲基乙酰胺; Diox = 1,4-二恶烷)。四种配体在长度(6.95–17.68 A),位阻和构型方面的差异导致最终钙络合物的四种不同结构。此外,