A novel coordination polymer [Cu(3-cpoa)(phen)(H2O)]n (3-cpoa2-=3-carboxyl phenoxyacetate, phen=1,10-phenanthroline) was synthesized and characterized by e lemental analysis, IR spectra and single crystal X-ray diffra...A novel coordination polymer [Cu(3-cpoa)(phen)(H2O)]n (3-cpoa2-=3-carboxyl phenoxyacetate, phen=1,10-phenanthroline) was synthesized and characterized by e lemental analysis, IR spectra and single crystal X-ray diffraction. Crystallogra phic facts are as follows: monoclinic crystal system, space group P21/n, a=0.688 96(14) nm, b=1.652 3(3) nm, c=1.651 1(3) nm, 穋m-3, F(000)=932, -ligands, two nitrogen atoms of 1,10-phen ligand and one coordinated water molecule. The copper atoms are bridged by 3-cp oa2-ligand, forming a one-dimensional chain along c axis. The distance of adjac ent Cu...Cu is 0.916 6(4) nm. A three-dimensional network structure is construct ed by the intermolecular hydrogen bond and stacking interactions. CCDC: 21972 4.展开更多
A novel porous coordination polymer [La(C8H6NO2)3]n was synthesized by hydrothermal reaction of flexible ligands 3 (3 pyridyl)acrylate and La(NO3)3· 6H2O. The structure was characterized by elemental analysis, IR...A novel porous coordination polymer [La(C8H6NO2)3]n was synthesized by hydrothermal reaction of flexible ligands 3 (3 pyridyl)acrylate and La(NO3)3· 6H2O. The structure was characterized by elemental analysis, IR spectroscopy and X ray single crystal diffraction. X ray single crystal analysis reveals the structure consists of [La(C8H6NO2)3]n. It crystallizes in monoclinic crystal system with space group P2(1)/c. Crystallographic date: a=0. 7889(3)nm, b=2.5916(9)nm, c=1.1489(4)nm, α =90.00° , β =95.219(6)° , γ =90.00° , V=2.3393(15)nm3, Z=4, Dc=1.656g· cm- 3, μ =1.871mm- 1, F(000)=1152, R1=0.0328, wR2=0.0522. CCDC: 211700.展开更多
A metal-organic coordination polymer [Cd2(C6H8N2O2)2Cl4]n·3nH2O [where C6H8N2O2 is ionic liquid,1-carboxymethyl-3-methylimidazolium] 1 has been hydrothermally synthesized and characterized by X-ray diffraction si...A metal-organic coordination polymer [Cd2(C6H8N2O2)2Cl4]n·3nH2O [where C6H8N2O2 is ionic liquid,1-carboxymethyl-3-methylimidazolium] 1 has been hydrothermally synthesized and characterized by X-ray diffraction single-crystal structure analysis.The complex crystallizes in orthorhombic,space group Aba2 with a=1.747 6(3) nm,b=1.933 6(4) nm,c=0.692 75(13) nm,V=2.340 9(8) nm3,Mr=700.96,Dc=1.989 g·cm-3,μ(Mo Kα) =2.312 mm-1,F(000) =1 368,Z=4,the final R=0.021 4 and wR=0.051 2 for 3 331 observed reflections(I>2σ(I) ) .Each Cd(Ⅱ) atom is in a distorted octahedral environment,surrounded by an uncommon symmetrical bidentate chelating carboxylato group and two pairs of bridging chloro ligands.Successive octahedra related by the c-glide of eration share edges to generate a one-dimensional polymeric structure.CCDC:692298.展开更多
文摘A novel coordination polymer [Cu(3-cpoa)(phen)(H2O)]n (3-cpoa2-=3-carboxyl phenoxyacetate, phen=1,10-phenanthroline) was synthesized and characterized by e lemental analysis, IR spectra and single crystal X-ray diffraction. Crystallogra phic facts are as follows: monoclinic crystal system, space group P21/n, a=0.688 96(14) nm, b=1.652 3(3) nm, c=1.651 1(3) nm, 穋m-3, F(000)=932, -ligands, two nitrogen atoms of 1,10-phen ligand and one coordinated water molecule. The copper atoms are bridged by 3-cp oa2-ligand, forming a one-dimensional chain along c axis. The distance of adjac ent Cu...Cu is 0.916 6(4) nm. A three-dimensional network structure is construct ed by the intermolecular hydrogen bond and stacking interactions. CCDC: 21972 4.
文摘A novel porous coordination polymer [La(C8H6NO2)3]n was synthesized by hydrothermal reaction of flexible ligands 3 (3 pyridyl)acrylate and La(NO3)3· 6H2O. The structure was characterized by elemental analysis, IR spectroscopy and X ray single crystal diffraction. X ray single crystal analysis reveals the structure consists of [La(C8H6NO2)3]n. It crystallizes in monoclinic crystal system with space group P2(1)/c. Crystallographic date: a=0. 7889(3)nm, b=2.5916(9)nm, c=1.1489(4)nm, α =90.00° , β =95.219(6)° , γ =90.00° , V=2.3393(15)nm3, Z=4, Dc=1.656g· cm- 3, μ =1.871mm- 1, F(000)=1152, R1=0.0328, wR2=0.0522. CCDC: 211700.
文摘A metal-organic coordination polymer [Cd2(C6H8N2O2)2Cl4]n·3nH2O [where C6H8N2O2 is ionic liquid,1-carboxymethyl-3-methylimidazolium] 1 has been hydrothermally synthesized and characterized by X-ray diffraction single-crystal structure analysis.The complex crystallizes in orthorhombic,space group Aba2 with a=1.747 6(3) nm,b=1.933 6(4) nm,c=0.692 75(13) nm,V=2.340 9(8) nm3,Mr=700.96,Dc=1.989 g·cm-3,μ(Mo Kα) =2.312 mm-1,F(000) =1 368,Z=4,the final R=0.021 4 and wR=0.051 2 for 3 331 observed reflections(I>2σ(I) ) .Each Cd(Ⅱ) atom is in a distorted octahedral environment,surrounded by an uncommon symmetrical bidentate chelating carboxylato group and two pairs of bridging chloro ligands.Successive octahedra related by the c-glide of eration share edges to generate a one-dimensional polymeric structure.CCDC:692298.
文摘以1,4-苯二甲酸为配体,Fe Cl3为金属盐,采用溶剂热法合成了苯二甲酸-铁配位聚合物晶体。以其为前驱体,通过固相热解制备了尺寸均一的α-Fe2O3纳米粒子。利用XRD、FT-IR、SEM及TEM等手段对配位聚合物及其热解产物进行了表征。将α-Fe2O3纳米粒子用作锂离子电池负极材料,电化学测试结果表明:在0.1 A·g-1电流密度下充放电50次后,材料的可逆比容量仍保持在530 m Ah·g-1,表现出较高的比容量和优异的循环稳定性。
