comparison with other related grid-like complexes, the incorporation of end-on azido-bridges resulted in overall intramolecular ferromagnetic couplings, and thus endowed complexes 1 and 2 single molecule magnet behaviour with field-induced slow magnetic relaxation.
Co(II)盐,
哒嗪衍
生物和
叠氮化物的自组装提供了两个
叠氮桥联的[2×2]网格型络合物[(L)4 Co II 4(N 3)4 ] [BPh 4 ] 4 } ·sol(1,L = 3,6-双(3,
5-二甲基-1 H-
吡唑-1-基)
哒嗪(pzdz),sol = 4CH 3 CN·3CHCl 3 ·2CH 3 OH和2,L = 3,6-二(
吡啶-2-基)
哒嗪(pydz)和sol = 4CH 3CN)。与其他相关的网格状复合物比较时,端基
叠氮桥的引入导致整体分子内
铁磁耦合,从而赋予了复合物1和2单分子磁体行为,并产生了磁场诱导的慢磁弛豫。