magnetic measurements. Structure determination of complex I reveals a covalent bonded 2D network containing bischelating oxalate and bridging dpyo; complex 2 is a covalent,bonded 3D polymeric architecture, formed by bridging malonate and bpee ligands, resulting in an open framework with channels filled by uncoordinated disordered bpee and methanol molecules. Whereas complex 3, comprising btc anions
分子式为 [Mn(ox)(dpyo)](n) (1), [Mn-2(mal)(2)(bpee)(
H2O)(2) 的三种新型 Mn-II 羧基桥联聚合物网络]center dot 0.5(bpee)center dot 0.5(CH3OH)}n, (2) 和 [Mn-3(btc)(2)(2,2'-bipy)(2)( )(6)]center点 4H(2)O}(n) (3) [dpyo,
4,4'-联吡啶 N,N'dioxide; bpee,反式-1,2 双(4-
吡啶基)
乙烯;
2,2'-联吡啶,
2,2'-联吡啶;ox =
草酸二价阴离子;mal =
丙二酸二价阴离子;btc = 1,3,5-苯
三羧酸三阴离子] 已合成并通过单晶 X 射线衍射研究和低温磁测量表征。复合物 I 的结构测定揭示了包含双螯合
草酸盐和桥接 dpyo 的共价键合 2D 网络;复合物 2 是一种共价键合的 3D 聚合物结构,由桥接
丙二酸和