bpp propanediol 具有荧光性吗

来源：蜘蛛抓取(WebSpider) 时间：2016-10-14 05:53 标签： 1 3 propanesultone
基于4-二苯基乙酸及1, 3-二(4-吡啶基)丙烷的两个银配合物的结构和荧光
Structure and Fluorescence of Two Ag(Ⅰ) Complexes Based on 4-Biphenylacetate and 1, 3-Bis(4-pyridyl)propane
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摘要:&以同物质的量比例的4-二苯基乙酸(Hbpa)、1,3-二(4-吡啶基)丙烷(bpp)和[Ag(NH3)](OH),在不同反应条件下制备了2个基于柔性配体的类三明治配合物{[Ag2(bpa)2(bpp)2]·2H2O}n(1)和{[Ag(bpa)(bpp)]·2H2O}n(2),对其进行了单晶结构、元素分析、红外光谱、荧光光谱和粉末衍射表征。结构表明1是由T型配位的银离子和Ag…Ag超分子作用组装而成的二维配合物;配合物2则是由四面体构型银离子和π…π堆积作用组装的二维配位超分子。此外,1和2还可在可见光区的不同位置发射较强荧光。
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基金项目:&国家自然科学基金(No.)和广东自然科学基金(No.S5)资助项目。
Abstract:&Two sandwich-like coordination polymers based on Ag(Ⅰ) and mixed flexible ligands, {[Ag2(bpa)2(bpp)2]·2H2O}n (1) and {[Ag(bpa)(bpp)]·2H2O}n (2) (bpa-=4-biphenylacetate, bpp=1,3-bis(4-pyridyl)propane), have been synthesized by solution reactions of Hbpa, bpp and [Ag(NH3)](OH) with the same ratio under different experimental conditions. They were characterized by single-crystal X-ray diffraction, EA, IRand XRD. Complex 1 is a two-dimensional network based on T-shaped coordination Ag(Ⅰ) ions and Ag…Ag interactions. In 2, the distorted tetrahedral coordination Ag(Ⅰ) ions are further organized by π…π stacking interactions into another two-dimensional network. 1 and 2 exhibit different and intense emissions in the visible region. CCDC: 922168,1;922167, 2.
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郝洪庆,陈木华,李鑫,彭梦侠.基于4-二苯基乙酸及1, 3-二(4-吡啶基)丙烷的两个银配合物的结构和荧光[J].无机化学学报,):.
Support information:&有机-无机杂化材料[Ag(bpp)]2(tdc)·8H2O的合成，结构和光学性能(bpp=1，3-bis(4-pyridyl)propane，tdc=thiophene-2，5-dicarboxylate)(英文)
Synthesis, Crystal Structure and Optical Properties of a Novel Organic-inorganic Hybrid Material [Ag(bpp)]2(tdc)·8H2O
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摘要:&在室温下，AgNO3、1，3-二(4-吡啶基)丙烷和2,5-噻吩二甲酸在丙酮水溶液中反应,经数周后得到完整无色晶体[Ag(bpp)]2(tdc)·8H2O。该晶体由荷正电的类似正弦曲线形状的配位聚合物链，[Ag(bpp)]∞，和有机负离子tdc2-构成,其间分布着起重要作用的结晶水分子。相邻的阳离子链通过静电作用与tdc2-阴离子堆积构成晶体的三维骨架, 结晶水分子分布其间并形成氢键，对晶体堆积起定位作用。[Ag(bpp)]2(tdc)·8H2O的晶体学数据:单斜晶系,空间群C2/c，a=3.544 7 nm，b=0.920 03 nm，c=2.411 9 nm，β=106.56°，V=7.546 nm3和Z=8；残差因子R1=0.046 3，wR2=0.114 2。UV/Vis/NIR漫反射光谱法测定表明其具有很强的选择性光吸收特性。
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Abstract:&The reaction of AgNO3, 1,3-bis(4-pyridyl)propane, thiophene-2,5-dicarboxylate in acetone aqueous solution produces block colourless crystals [Ag(bpp)]2(tdc)·8H2O at room temperature. [Ag(bpp)]2(tdc)·8H2O consists of parallel sinusoid-like cationic chains, [Ag(bpp)]∞, interspersed with organic tdc2- anions which play the role of charge compensation in the crystal structure. The lattice water molecules are situated among these chains and stabilized by rich hydrogen-bonding interactions and lattice water molecules may play a role in the orientation of the tdc2- in the crystal packing. The crystal data: monoclinic C2/c, a=3.544 7 nm, b=0.920 03 nm, c=2.411 9 nm, β=106.56°, V=7.546 nm3, Z=8. The residual factors based on 6 563 reflections (Rint=0.056 7) are R1=0.046 3, wR2=0.114 2. Optical absorption properties and band gaps of title compound were determined with UV/Vis/NIR diffuse reflectance spectra. CCDC: 286751.
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于景华,丁长江,韩克飞,章士伟,郭洪猷.有机-无机杂化材料[Ag(bpp)]2(tdc)·8H2O的合成，结构和光学性能(bpp=1，3-bis(4-pyridyl)propane，tdc=thiophene-2，5-dicarboxylate)(英文)[J].无机化学学报,):607-611.
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