配合物[Fe_2(BPMPP)_2](BPh_4)_2的合成与晶体结构

Synthesis and Crystal Structure of Complex [Fe_2(BPMPP)_2](BPh_4)_2

合成了含不对称双核配体BPMPP的配合物[Fe2(BPMPP)2](BPh4)2;利用元素分析仪、红外光谱仪和X射线衍射仪分析了其组成和晶体结构.结果表明,标题配合物属单斜晶系,空间群为P21/c;晶胞参数:a=1.406 5(3)nm,b=1.990 4(4)nm,c=1.712 2(3)nm,β=112.511(3)°,V=4.428 0(14)nm3,Z=2,Dc=1.349 Mg/m3,μ=1.288 mm-1,F(000)=1 872,GOF=0.967,最终偏差因子R1=0.059 6,wR2=0.111 3.在阳离子[Fe(BPMPP)]2+中,两个铁(Ⅱ)离子处于对称位置,均具有变形的三角双锥几何构型.

A dinuclear Fe（Ⅱ） compound [Fe2（BPMPP）2]（BPh4）2 with asymmetric dinuclear ligand has been synthesized.The composition and crystal structure of the product have been analyzed by means of element analysis,infrared spectrometry,and single crystal X-ray diffraction.Results indicate that the title compound crystal belongs to monoclinic system,space group P21/c.The cell parameters are： a = 1.406 5（3） nm,b = 1.990 4（4） nm,c = 1.712 2（3） nm,β = 112.511（3）°,V = 4.428 0（14） nm3,Z = 2,Dc = 1.349 Mg/m3,μ = 1.288 mm-1,F（000） = 1 872,GOF = 0.967,R1 = 0.059 6,and wR2 =0.111 3 for 6 973 independent reflections（I2σ（I））.In the cation [Fe2（BPMPP）2]2＋,the two symmetric Fe（Ⅱ） centers possess a slightly distorted trigonal bipyramidal geometry.