超分子化合物[H3N(CH2)3NH3] [Pb2(SIP)2] 6H2O的水热合成与表征

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A new three-dimensional supramolecule,[H3N(CH2)3NH3]·[Pb2(SIP)2]·6H2O was synthesized under the hydrothermal condition.Its structure was determined with single crystal X-ray diffraction analysis and further characterized via XRD,IR,fluorescent spectrum and elemental analysis.The compound crystallizes in triclinic space group P1,with a=0.79946(16) nm,b=0.9881(2) nm,c=1.0343(2) nm,α=81.25(3)°,β=84.95(3)°,γ=68.13(3)°,V=0.7489(3) nm3, Z=1,R1=0.0226,wR2=0.0486,GOF=1.099.Along the direction,binuclear cluster units [Pb2(SIP)2]2-link to each other via O1 and O4 forming two-dimensional anionic layers,then these layers are stacked down the c axis and was further linked by N-H…O and O-H…O hydrogen bonds to build the three-dimensional supramolecular structure.Fluorescent spectrum of compound 1 shows that there are two strong fluorescent emission peaks at λ=349 nm and 393 nm and a weak fluorescent emission peak at 384 nm(λmax,excitation=236 nm). A new three-dimensional supramolecule, [H3N (CH2) 3NH3] · [Pb2 (SIP) 2] · 6H2O was synthesized under the condition of the single crystal X-ray diffraction analysis and further characterized by XRD, IR , fluorescent spectrum and elemental analysis. The compound crystallizes in triclinic space group P1 with a = 0.79946 (16) nm, b = 0.9881 (2) nm, c = 1.0343 = 84.95 (3) °, γ = 68.13 (3) °, V = 0.7489 (3) nm3, Z = 1 R1 = 0.0226 wR2 = 0.0486 GOF = 1.099.Along the direction, binuclear cluster units [Pb2 ) 2] 2-link to each other via O1 and O4 forming two-dimensional anionic layers, then these layers are stacked down the c axis and was further linked by NH ... O and OH ... O hydrogen bonds to build the three-dimensional supramolecular Structure. Fluorescent spectrum of compound 1 shows that there are two strong fluorescent emission peaks at λ = 349 nm and 393 nm and a weak fluorescent emission peak at 384 nm (λmax, excitation = 236 nm).
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