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在甲醇和水的混合溶剂中用呋喃甲酸、4,4′-联吡啶和碳酸钴合成了一种新型配位聚合物[Co(α-Furoic ac id)2(4,4-′b ipy)2(H2O)2]。该配合物晶体属三斜晶系,空间群P 1,晶胞参数:a=1.138 4(4),b=1.138 4(4),c=1.302 9(9)nm;γ=120.0°,V=1.462 3(12)nm3,Dc=1.612 g/cm3,Z=3,F(000)=729。最终偏离因子R1=0.049 0,wR2=0.143 6。晶体中钴原子与2个b ipy的2个N原子及2个呋喃甲酸根的2个氧原子配位及2个水分子的2个氧原子配位,形成六配位的变形八面体结构,结合晶体结构进行了电化学性质研究。结果表明,电极反应中电子转移是准可逆的,配合物稳定性好。 相似文献
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在甲醇和水的混合溶剂中用呋喃甲酸、4,4'-联吡啶和碳酸钴合成了一种新型配位聚合物[Co(α-Furoic acid)2(4,4'-bipy)2 (H2O)2]. 该配合物晶体属三斜晶系,空间群P 1,晶胞参数a=1.138 4(4),b=1.138 4(4),c=1.302 9(9) nm;γ=120.0°,V=1.462 3(12) nm3,Dc=1.612 g/cm3,Z=3,F(000)=729. 最终偏离因子R1=0.049 0,wR2=0.143 6. 晶体中钴原子与2个bipy的2个N原子及2个呋喃甲酸根的2个氧原子配位及2个水分子的2个氧原子配位,形成六配位的变形八面体结构,结合晶体结构进行了电化学性质研究. 结果表明,电极反应中电子转移是准可逆的,配合物稳定性好. 相似文献
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乙酰丙酮与1,2-二(邻氨基苯氧基)乙烷缩合制得Schiff碱配体L;L与CoCl2.6H2O反应合成了席夫碱钴(Ⅱ)配位聚合物[CoLCl2]n(1),其结构经IR,XRD和元素分析表征。1属单斜晶系,空间群P2/n,晶胞参数a=9.923(8),b=12.362(9),c=11.736(8),β=94.583(12)°,V=1 434.9(17)3,Z=2,Dc=1.246g.cm-3,R1=0.049 5,wR2=0.152 3。1中每个Co(Ⅱ)的配位环境均为扭曲四面体,每个配体L通过其两臂乙酰丙酮亚胺单元的端基氧原子同两个金属离子配位桥联形成一维链结构。 相似文献
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The complex {[Co(4,4′-bpy)(H2O)4](Fum)·4H2O}n(where 4,4′-bpy = 4,4′-bipyridine and Fum = fumarate) was synthesized and characterized by X-ray diffraction. The complex consists of one-dimensional chains containing cobalt(Ⅱ) ions bridged by 4,4′-bpy molecules. The six-coordination of Co2+ is achieved by means of four water molecules. The fumarate is not coordinated to cobalt ion while it forms hydrogen bonds with coordinated and non-coordinated water molecules and extends the structure into three-dimensional hydrogen bonding network. CCDC: 190488. 相似文献
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One dimensional chain cobalt coordination polymer has been synthesized with malic acid and cobalt(Ⅱ) chloride anhydrous, and characterized by the element analysis, IR, TGA and single crystal X-ray diffraction structure analysis. The title complex crystallizes in monoclinic system with space group P21, a=0.575 61(9) nm, b=0.905 86(14) nm, c=0.841 02(13) nm, β=105.350(2)°; V=0.422 88(11) nm3, Z=2, Dc=1.924 Mg·m-3, μ=2.044 mm-1, F(000)=250, and final R1=0.029 3, wR2=0.074 2. The crystal structure shows that the cobalt ion is coordinated with four oxygen atoms from two different malate molecules and two oxygen atoms from two water molecules respectively, forming a distorted octahedral coordination geometry. Two adjacent cobalt(Ⅱ) atoms are bridged by one malate groups in bis-monodentate mode, constructing a one dimensional chain structure along b axis, with the adjacent Co…Co distance being 0.530 9 nm. Moreover, the molecules are packed in three-dimensional supramolecular network though the intermolecular hydrogen bonds. CCDC: 704441. 相似文献
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水热条件下合成了一个新的有机二膦酸钴配合物[Co(en)3][Co2(Hedbbp)2].7H2O,[H4edbbp=N,N’-二(苄基膦酸)乙二胺].X射线单晶衍射结构分析表明:配合物属三斜晶系,空间群P,ī晶胞参数:a=1.505.6(3)nm,b=1.524 8(3)nm,c=1.649 7(3)nm,α=63.10(3)°,β=78.12(3)°,γ=75.62(3)°,晶胞体积为V=3.252 4(11)nm3,Z=2.配合物结构单元中包含一个二膦酸钴的二聚单元阴离子[Co2(Hedbbp)2]2-和一个三乙二胺合钴螯合阳离子单元[Co(en)3]2 和七个水分子. 相似文献
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水热条件下,合成了钴(Ⅱ)配位聚合物{[Co(L)(chdc)]·2H2O}n (1) (L=1,3-二(苯并咪唑-1-甲基)苯,H2chdc=1,4-环己烷二酸)。结构分析表明,配合物1的晶体属于单斜晶系,C2/c空间群,晶胞参数为a=1.4504(1) nm,b=1.834 9(2) nm,c=2.128 7(2) nm,β=94.325(1)°,V=5.649 2(9) nm3,Z=4。该配合物为一维环状链结构,并进一步通过链间的π-π作用自组装成二维超分子结构。配合物1作为类芬顿反应的催化剂降解刚果红显示较高的活性。 相似文献
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2,3-吡嗪二甲酸钴(Ⅱ)配合物的合成与结构 总被引:2,自引:0,他引:2
在不同的反应介质条件中,用2,3-吡嗪二甲酸(C4N2H2(COOH)2,简称Pzdc)与Co(NO3)2·6H2O或Co(ClO4)2·6H2O反应,得到了三个新的不同组成的2,3-吡嗪二甲酸钴(Ⅱ)配合物,并进行了表征。通过X射线晶体结构分析,获得了Co(Pz(COO)COOH)2·2H2O的晶体学数据,表明Co(Ⅱ)处于由Pzdc中的2个N、2个O及2个配位水中的2个O组成的八面体结构中。同时,我们对CoPz(COO)2·4H2O和CoPz(COO)COOH(ClO4)·4H2O进行了变温磁化率测试,结果表明这两个化合物都存在弱的反铁磁相互作用。 相似文献
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水热条件下合成了一个新的有机二膦酸钴配合物[Co(en)3][Co2(Hedbbp)2]·7H2O,[H4edbbp=N,N'-二(苄基膦酸)乙二胺].X射线单晶衍射结构分析表明配合物属三斜晶系,空间群P-1,晶胞参数a=1.505.6(3)nm,b=1.524
8(3)nm,c=1.649 7(3)nm,α=63.10(3)°,β=78.12(3)°,γ=75.62(3)°,晶胞 体积为V=3.2524(11)nm3,Z=2.配合物结构单元中包含一个二膦酸钴的二聚单元阴离子[Co2(Hedbbp)2]2-和一个三乙二胺合钴螯合阳离子单元[Co(en)3]2+和七个水分子. 相似文献
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以N-甲基咪唑(min)为配体,采用离子热方法在离子液体(1-乙基-3-甲基咪唑溴盐)中合成了Co(Ⅱ)配合物{[Co(mim)6]Br2·2H2O, 1},其结构经IR和元素分析表征.X-射线单晶衍射分析表明:1属单斜晶系,P21/c空间群,晶胞参数:a=0.818 2(2) nm, b=1.357 3(2) nm, c=1.623 4(19) nm, β=111.12(4)°, V=1.682(5) nm3, Dc=1.476 g·cm-3, F(000)=762, Z=2, μ(MoKα)=2.927 mm-1, R1=0.036 8, R2=0.098 9.在1的晶体结构中,钴(Ⅱ)与配位原子形成畸变的八面体结构.采用循环伏安法研究了1在水溶液中的电化学性质,结果表明1中存在一对可逆的氧化还原峰,其峰值分别为0.51 V和0.25 V,为Co(Ⅱ)/Co(Ⅲ)间的相互转化. 相似文献
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A new 1D chain coordination polymer [Cd(dpq)(ox)0.5Cl]n(1) (dpq=dipyrido[3,2-d:2′,3′-f]quinoxaline and ox=oxalate) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR and single crystal X-ray diffraction analysis. Compound 1 (CdClC15H8N4O2): monoclinic, space group P21/c, a=0.854 04(5) nm, b=2.094 90(13) nm, c=0.839 22(5) nm, Z=4, V=1.438(15) nm3, Mr=424.11, Dc=1.959 g·cm-3, F(000)=828.0, μ=1.719 mm-1, S=1.028, the final R=0.025 8 and wR=0.057 5. The crystal structure analysis indicates that the cadmium ion is coordinated by two oxygen atoms from a oxalate, two chelating nitrogen atoms from a dpq molecule and two Cl- anions. The adjacent Cd(Ⅱ) ions are linked by Cl- anions and oxalate ligands in alternate sequence to form a 1D chain coordination polymer and the adjacent chains are further connected by π-π stacking interactions to form a 2D supramolecular network. Moreover, the title compound exhibits blue emission in the solid state at room temperature. CCDC: 680748. 相似文献