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利用水热技术合成了一种新的有机-无机复合的磷钨酸盐[H24,4′-bpy]5[H2bpb]0.5H[α-P2W18O62]2·4H2O(1)(4,4′-bpy=4,4′-bipyridine,bpb=1,4-bis(pyrid-4-yl)benzene),并通过红外光谱和X射线单晶衍射等技术对其结构进行了表征.化合物1属于三斜晶系,P-1空间群,其晶体学数据为a=1.461 83(10)nm,b=2.161 31(14)nm,c=2.632 87(19)nm,α=81.686 0(10)°,β=80.124 0(10)°,γ=84.893 0(10)°,V=8.091 5(10)nm3,Z=2,GOOF=1.007,R1=0.058 6,wR2=0.121 4.化合物1分子结构包含5个双质子化的4,4′-联吡啶阳离子、0.5个双质子化的1,4-二(4-吡啶基)苯阳离子、1个H+离子、2个饱和Dawson结构多阴离子[α-P2W18O62]6-和4个结晶水分子.此外,我们还研究了它的电化学性质.
A new organic-inorganic composite phosphotungstate [H24,4’-bpy] 5 [H2bpb] 0.5H [α-P2W18O62] 2.4H2O Its structure was characterized by IR and single crystal X-ray diffraction. Compound 1 belongs to triclin The crystallographic data of the P-1 space group are: a = 1.461 83 (10) nm, b = 2.161 31 (14) nm, c = 2.632 87 β = 80.124 0 (10) °, γ = 84.893 0 (10) °, V = 8.091 5 (10) nm3, Z = 2, GOOF = 1.007, R1 = 0.058 6, wR2 = 0.121 4. The molecular structure of compound 1 comprises 5 bis-protonated 4,4’-bipyridyl cation, 0.5 bis-protonated 1,4-bis (4-pyridyl) benzene cation, 1 H + ion and 2 saturated Dawson structure polyanions [ P2W18O62] 6- and 4 crystal water molecules.In addition, we also studied its electrochemical properties.