【摘要】 合成了N,N′-亚水杨基皮考林酰肼(HL)及其铁配合物[FeL2](C26H20FeN6O4,Mr=536 33).X射线衍射实验结果表明,标题配合物晶体属于正交晶系,空间群为Pbcn,晶体学参数:a=1 4970(1)nm,b=1 51556(9)nm,c=2.0920(2)nm,V=4 7462(6)nm3,Z=8,Dc=1 501Mg·m-3,F(000)=2208,μ(MoKα)=0 682mm-1,R=0 0695,Rw=0 1502.在配合物[FeL2]中,铁(Ⅱ)原子具有扭曲的八面体配位构型,晶体通过分子间氢键作用形成缔合分子对.红外光谱表明,配体在形成配合物后,ν(CO)和ν(CN)红移.电子光谱表明存在π-π 和d-π 的跃迁;荧光光谱表明,配合物金属对配体n-π 激发引起的荧光发射峰有较大的影响.更多还原

【Abstract】 The title complex (C₂₆H₂₀FeN₆O₄,M_r=536.33),where HL is N,N′-salicylidene picoloylhydrazide,has been synthesized.The complex belongs to orthorhombic system,space group Pbcn with a=1.497 0（1） nm,b=1.515 56（9） nm,c=2.092 0（2） nm,V=4.746 2（6） nm³,Z=8,D_c=1.501 Mg·m^-3,F（000）=2 208,μ（MoK_α）=0.682 mm^-1,R=0.069 5,Rw=0.150 2 for 1 668 observed reflections,GOF=（0.919.）In the complex,the iron reveals a distorde octahedral coordination geometry and every two molecules are linked by pairs through the intermolecular hydrogen bonds.ν_<sub>（（CO））and ν_<sub>（（CN））are shifted to lower frequencies in IR spectra;π-π^ charge transitions and d-π^ charge transitions are observed in their electronic spectra.The emission lines(λ_exc=310 nm)are shifted to higher frequencies in fluorescence spectra.更多还原