(E)-quinoline-2-carbaldehyde oxime (Hqcah) with Ni(ClO4)2·6H2O and NH4SCN and with Ni(CF3SO3)2 and NaN3 led to two solitary metallacrowns (MCs) ([Ni5(qcah)7(Hqcah)(CH3OH)(SCN)(OH)]·ClO4 (1) and [Ni4(qcah)4(N3)4(Py)4] (2), respectively. Complex 1 is a pentanuclear nickel cluster that exhibits two "fused" 9-MC-3 structural units with both rings possessing Ni2–N–O–Ni1–N–O–Ni5–O–N and Ni3–N–O–Ni4–O–Ni5–O–N connectivities
( E )-
喹啉-2-甲醛肟 (Hqcah) 与 Ni(ClO 4 ) 2 ·6H 2 O 和 NH 4 SCN 以及与 Ni(CF 3 SO 3 ) 2和 NaN 3 的反应导致了两个孤立的
金属冠( MCs) ([Ni 5 (qcah) 7 (Hqcah)(CH 3 OH)(SCN)(OH)]·ClO 4 (1)和[Ni 4 (qcah) 4 (N 3 ) 4 (Py) 4 ] ( 2) , 分别. 复数1是一个五核
镍簇,具有两个“稠合”的 9-MC-3 结构单元,两个环均具有 Ni2–N–O–Ni1–N–O–Ni5–O–N 和 Ni3–N–O–Ni4–O– Ni5–O–N 连接。配合物2由四个 [Ni(qcah)(N 3 )(Py)] 单元组成,相邻的
镍原子通过 N-O 基团连接在一起以构建四核 12-MC-4
金属冠。所述
配体显示出μ 3:η 2:η 1:η 1,μ 2:η 2:η 1和μ