水热法合成了一个无机-有机杂化的NH_(4)[Cu_(3)^(I)(C_(10)H_(8)N_(2))_(3)Mo_(8)O_(26)]化合物,通过元素分析和单晶X-射线衍射进行了表征。化合物为三斜晶系,P1空间群,晶胞参数a=1.08763(9)nm,b=1.12674(10)nm,c=1.13067(10)nm,α=68....水热法合成了一个无机-有机杂化的NH_(4)[Cu_(3)^(I)(C_(10)H_(8)N_(2))_(3)Mo_(8)O_(26)]化合物,通过元素分析和单晶X-射线衍射进行了表征。化合物为三斜晶系,P1空间群,晶胞参数a=1.08763(9)nm,b=1.12674(10)nm,c=1.13067(10)nm,α=68.4820(10)°,β=83.523(2)°,γ=64.4180(10)°,V=1.16095(2)nm^(3),Z=1,Dc=2.661 g/cm^(3),Mr=1860.73,μ(MoKα)=35.22 cm^(-1),F(000)=888,R=0.0478,wR=0.099。化合物的结构包含2个结晶学上独立的铜原子、不连续的多氧阴离子β-[Mo_(8)O_(2)6]4-和无限扩展的[Cu I(C_(10)H_(8)N_(2))]链。每一个铜原子为类似的{CuN_(2)}配位模式,被4,4’-联吡啶连接成一维沿a轴方向的[Cu(C 10 H 8 N 2)]+链。分子结构中存在氢键和π…π作用。对化合物的热稳定性、荧光性质也进行了研究。展开更多
A binuclear vanadium complex NH4[(VⅣO)2( Ⅲ(H2O)9] wa s synthesized by reaction of NH3VO3, nitrilotriacetic acid and EuCl3 in one aque ous solution. The crystal X-ray analysis shows that the complex contains one bin ...A binuclear vanadium complex NH4[(VⅣO)2( Ⅲ(H2O)9] wa s synthesized by reaction of NH3VO3, nitrilotriacetic acid and EuCl3 in one aque ous solution. The crystal X-ray analysis shows that the complex contains one bin uclear vanadium anion [(VⅣO)2( -and one [EuⅢ(H2O)9]3+ cation. T he molecules are built up to a three-dimensional supramolecular structure throug h hydrogen bonding. CCDC: 238716.展开更多
At room temperature,a coordination polymer [Ni(btec)(H2O)4][Ni(imi)2(H2O)4]·2H2O was synthesized by reaction of NiCl2·6H2O,1,2,4,5-benzenetetracarboxylic dianhydride and imidazole in a water/THF solution.The...At room temperature,a coordination polymer [Ni(btec)(H2O)4][Ni(imi)2(H2O)4]·2H2O was synthesized by reaction of NiCl2·6H2O,1,2,4,5-benzenetetracarboxylic dianhydride and imidazole in a water/THF solution.The structure was determined by X-ray diffraction crystal structure analysis.It crystallizes in triclinic P1 space group with the crystal cell parameters of a=0.675 42(2) nm,b=1.000 14(1) nm,c=1.090 88(3) nm,α=74.140(2)°,β=74.388(1)°,γ=73.239(2)°,and V=0.664 09(3) nm3,Z=1.The crystal structure shows that Ni1 atom is coordinated by four water and two imidazole molecules,while Ni2 is coordinated by four water molecules and two carboxyl oxygen atoms.The 1,2,4,5-benzenetetracarboxylate ions bridge Ni2 coordination centers to form one-dimensional chain structure.Moreover,the chains are further linked together by hydrogen bonds to form a two-dimensional network.展开更多
A new compound, (H3O)3{Na3(H2O)13(Cu(Gly)2)2(H2W12O42)}·11H2O (1), has been synthesized and structurally characterized, which represents the first example of a polyoxotungstate-surface being decorated with amino ...A new compound, (H3O)3{Na3(H2O)13(Cu(Gly)2)2(H2W12O42)}·11H2O (1), has been synthesized and structurally characterized, which represents the first example of a polyoxotungstate-surface being decorated with amino acid ligand. Two cis-{Cu(Gly)2}2+ engraft into the (H2W12O42)10- with Cu-O bond of 0.241 2(7) nm, and Na+ ions linked these (Cu(Gly)2)2(H2W12O42)6- clusters into a one-dimensional chain. CCDC: 278000.展开更多
文摘水热法合成了一个无机-有机杂化的NH_(4)[Cu_(3)^(I)(C_(10)H_(8)N_(2))_(3)Mo_(8)O_(26)]化合物,通过元素分析和单晶X-射线衍射进行了表征。化合物为三斜晶系,P1空间群,晶胞参数a=1.08763(9)nm,b=1.12674(10)nm,c=1.13067(10)nm,α=68.4820(10)°,β=83.523(2)°,γ=64.4180(10)°,V=1.16095(2)nm^(3),Z=1,Dc=2.661 g/cm^(3),Mr=1860.73,μ(MoKα)=35.22 cm^(-1),F(000)=888,R=0.0478,wR=0.099。化合物的结构包含2个结晶学上独立的铜原子、不连续的多氧阴离子β-[Mo_(8)O_(2)6]4-和无限扩展的[Cu I(C_(10)H_(8)N_(2))]链。每一个铜原子为类似的{CuN_(2)}配位模式,被4,4’-联吡啶连接成一维沿a轴方向的[Cu(C 10 H 8 N 2)]+链。分子结构中存在氢键和π…π作用。对化合物的热稳定性、荧光性质也进行了研究。
文摘A binuclear vanadium complex NH4[(VⅣO)2( Ⅲ(H2O)9] wa s synthesized by reaction of NH3VO3, nitrilotriacetic acid and EuCl3 in one aque ous solution. The crystal X-ray analysis shows that the complex contains one bin uclear vanadium anion [(VⅣO)2( -and one [EuⅢ(H2O)9]3+ cation. T he molecules are built up to a three-dimensional supramolecular structure throug h hydrogen bonding. CCDC: 238716.
文摘At room temperature,a coordination polymer [Ni(btec)(H2O)4][Ni(imi)2(H2O)4]·2H2O was synthesized by reaction of NiCl2·6H2O,1,2,4,5-benzenetetracarboxylic dianhydride and imidazole in a water/THF solution.The structure was determined by X-ray diffraction crystal structure analysis.It crystallizes in triclinic P1 space group with the crystal cell parameters of a=0.675 42(2) nm,b=1.000 14(1) nm,c=1.090 88(3) nm,α=74.140(2)°,β=74.388(1)°,γ=73.239(2)°,and V=0.664 09(3) nm3,Z=1.The crystal structure shows that Ni1 atom is coordinated by four water and two imidazole molecules,while Ni2 is coordinated by four water molecules and two carboxyl oxygen atoms.The 1,2,4,5-benzenetetracarboxylate ions bridge Ni2 coordination centers to form one-dimensional chain structure.Moreover,the chains are further linked together by hydrogen bonds to form a two-dimensional network.
文摘A new compound, (H3O)3{Na3(H2O)13(Cu(Gly)2)2(H2W12O42)}·11H2O (1), has been synthesized and structurally characterized, which represents the first example of a polyoxotungstate-surface being decorated with amino acid ligand. Two cis-{Cu(Gly)2}2+ engraft into the (H2W12O42)10- with Cu-O bond of 0.241 2(7) nm, and Na+ ions linked these (Cu(Gly)2)2(H2W12O42)6- clusters into a one-dimensional chain. CCDC: 278000.
