geometry (τ = 0.63). The X-ray structure analysis of 3 revealed that the nickel atom in [NiII(Hhydia)2]2+ is bonded to two neutral tridentate O,N,O-Hhydia ligands. The twist angle, θ, in [NiII(Hhydia)2]2+ is 55.1(2)°, that is, very close to an ideal octahedron. The metal/Hhydia complexes were studied by UV–Vis (cobalt and nickel compounds), NMR (zinc compounds), HR-MS spectroscopy. The 1H and 13C NMR
摘要尽管与
金属介导的
生物硝化作用和过氧化物的配位
化学直接相关,但是
羟胺的过渡
金属络合物及其功能化的变体主要除了
钒(V)和
钼(VI)以外尚未开发。螯合
羟胺配体3,3'-(羟基氮杂二基)二丙酰胺(Hhydia)与[MII(CH3COO)2]·x (M = CoII,ZnII)在
甲醇溶液中的反应生成络合物[CoII(η1:η1-CH3COO )(η1-CH3COO)(Hhydia)],(1)和[ZnII(η1-CH3COO)2(Hhydia)],(4),而Hhydia与反式[NiIICl2(
H2O)4]·2 反应生成[ NiII(Hydia)2] Cl2(3)。1和4的X射线结构分析表明,CoII和ZnII原子键合到中性三齿O,N,O-Hhydia
配体以及在严重扭曲的三角双锥体几何结构中,严重扭曲的八面体几何形状为1个螯合和单齿
乙酸盐基团,在4个扭曲的八面体几何形状中为2个两个单齿
乙酸盐基团(τ=