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首页> 外文期刊>Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics >Synthesis and Characterization of New Coordination Polymers Generated from Oxadiazole-Containing Organic Ligands and Inorganic Silver(l)Salts
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Synthesis and Characterization of New Coordination Polymers Generated from Oxadiazole-Containing Organic Ligands and Inorganic Silver(l)Salts

机译：含恶二唑的有机配体和无机银（l）盐合成的新型配位聚合物的合成与表征

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The coordination chemistry of the oxadiazole-containing rigid bidentate ligands 2,5-bis(4-pyridyl)-1,3,4-oxadiazole(L2)and 2,5-bis(4-aminophenyl)-1,3,4-oxadiazole(L3)with inorganic Ag(l)salts has been investigated.Four new coordination polymers were prepared by solution reactions and fully characterized by infrared spectroscopy,elemental analysis,and single-crystal X-ray diffraction.{[Ag(L2)]SO_3CF_3}_n(1)(triclinic,P1;a=10.1231(7)A,b=13.9340-(10)A,c=13.9284(10)A,a=116.7300(10)deg,beta=94.6890(10)deg,gamma=108.7540(10)deg,Z=4)was obtained by the combination of L2 with AgOTf in a CH_2Cl_2/CH_3OH mixed-solvent system and features a unique one-dimensional elliptical macrocycle-containing chain motif.The approximate dimensions of the rings are ca.22 x 11 A.{[Ag-(L2)](ClO_4)(CH_3OH)_(0.5)(H_2O)_(0.5)},,(2)(triclinic,P1;a=8.4894(5)A,b=13.9092(8)A,c=14.1596(8)A,a=71.1410(10)deg,beta=77.3350(10)deg,y=81.5370(10)deg,Z=4)was generated from the reaction of L2 with AgClO_4 in a H_2O/CH_3OH mixed-solvent system and consists of one-dimensional chains that are linked to each other by weak noncovalent pi-pi interactions into two-dimensional sheets.Uncoordinated ClO_4~-counterions and guest solvent molecules are located between the layers.{[Ag(L2)]NO_3}_n(3)was obtained by the combination of L2 with Ag-(NO_3)_2 in a MeOH/H_2O mixed-solvent system(triclinic,P1;a=8.3155(6)A,b=8.8521(6)A,c=9.8070(7)A,alpha=74.8420(10)deg,beta=77.2800(10)deg,gamma=68.6760(10)deg,Z=2).In the solid state,it exhibits an interesting pair of chains associated with C-H...0 hydrogen bonds.{[Ag(L3)]S0_3CF_3}_n(4)is generated from L3 and AgSO_3CF_3 in a CH_2Cl_2/MeOH mixed-solvent system and crystallizes in the unusual space group Pnnm,with a=7.9341(4)A,b=11.5500(5)A,c=18.1157(8)A,and Z=4.It adopts a novel three-dimensional structural motif in the solid state with big rhombic channels(ca.15 x 10 A).
机译：含恶二唑的刚性双齿配体2,5-双（4-吡啶基）-1,3,4-恶二唑（L2）和2,5-双（4-氨基苯基）-1,3,4-的配位化学研究了恶二唑（L3）与无机Ag（l）盐的关系。通过溶液反应制备了四种新的配位聚合物，并通过红外光谱，元素分析和单晶X射线衍射对其进行了全面表征。{[Ag（L2）] SO_3CF_3} _n（1）（三斜线，P1; a = 10.1231（7）A，b = 13.9340-（10）A，c = 13.9284（10）A，a = 116.7300（10）deg，beta = 94.6890（10） L2与AgOTf在CH_2Cl_2 / CH_3OH混合溶剂体系中的结合得到deg，gamma = 108.7540（10）deg，Z = 4），并具有独特的一维椭圆大环含链基序。 {[Ag-（L2）]（ClO_4）（CH_3OH）_（0.5）（H_2O）_（0.5）} ,,（2）（三斜晶系，P1; a = 8.4894（ 5）已生成A，b = 13.9092（8）A，c = 14.1596（8）A，a = 71.1410（10）deg，beta = 77.3350（10）deg，y = 81.5370（10）deg，Z = 4） H_2O / CH_3OH混合溶液中L2与AgClO_4的反应溶剂系统，由一维链组成，这些维链通过弱的非共价pi-pi相互作用彼此连接成二维薄片。未配位的ClO_4〜平衡和客体溶剂分子位于两层之间。{[Ag（L2）]通过将L2与Ag-（NO_3）_2在MeOH / H_2O混合溶剂体系（三斜晶系，P1; a = 8.3155（6）A，b = 8.8521（6）A， c = 9.8070（7）A，alpha = 74.8420（10）deg，beta = 77.2800（10）deg，gamma = 68.6760（10）deg，Z = 2）。在固态下，它展示了一对有趣的相关链{[Ag（L3）] S0_3CF_3} _n（4）是由CH3Cl_2 / MeOH混合溶剂体系中的L3和AgSO_3CF_3生成的，并在不寻常的空间群Pnnm中结晶，其a = 7.9341 （4）A，b = 11.5500（5）A，c = 18.1157（8）A，Z = 4。它采用新型的三维立体结构，具有较大的菱形通道（约15 x 10 A ）。

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