A new complex[Cd(nph)(bix)]n(1,H2nph=4-nitrophthalic acid,bix=1,4-bis(imidazol-1-yl)-benzene)has been successfully synthesized under hydrothermal conditions.Its structure has been characterized by elemental analysis,I...A new complex[Cd(nph)(bix)]n(1,H2nph=4-nitrophthalic acid,bix=1,4-bis(imidazol-1-yl)-benzene)has been successfully synthesized under hydrothermal conditions.Its structure has been characterized by elemental analysis,IR spectrum,TG,single-crystal and powder X-ray diffractions.The Cd^2+ion has a distorted octahedral environment with four O atoms from two nph ligands and two N atoms from two bix ligands.Each bix acts as a cis-conformation bridging ligand to link the neighboring[Cd2(nph)]subunit to form tetranuclear subunits with 42-ring,which are bridged again by bix ligands to yield a two-dimensional network structure.It was stabilized by C–H···O hydrogen bonding andπ-πinteractions,and extended into a 3D supramolecular architecture.Moreover,the luminescent properties of complex 1 have been investigated in the solid state.展开更多
A new coordination polymer [Ni（L）（m-bix）（H2O）]n （1, H2L = 5-iodo-isophthalic acid, m-bix=1,3-bis（imidazol-1-ylmethyl）-benzene） has been synthesized by the hydrothermal method and characterized by IR, element...A new coordination polymer [Ni（L）（m-bix）（H2O）]n （1, H2L = 5-iodo-isophthalic acid, m-bix=1,3-bis（imidazol-1-ylmethyl）-benzene） has been synthesized by the hydrothermal method and characterized by IR, elemental analysis, powder XRD and single-crystal X-ray analysis. The crystal is of triclinic, space group Pī with a = 9.1638（3）, b = 10.2319（3）, c = 13.2463（4） ？, α = 80.1710（10）, β = 83.671（2）, γ = 70.3790（10）o,C22H19NiIN4O5, Mr = 605.02, V = 1150.85（6） ？3, Dc = 1.746 g/cm3, F（000） = 600, μ = 2.225 mm-1, S = 1.045 and Z = 2. The final R = 0.0388 and wR = 0.1257 for 5089 observed reflections with I 〉 2σ（I）. In the title complex, the M and P layers are arranged alternately to give a double-layer structure by the symmetry related hydrogen bonds, and these double-layers are further joined together to achieve a 2D supramolecular architecture through I···π interaction involving iodine atoms and imidazole rings. The thermal stability of the title complex was studied by thermal gravimetric （TG） and differential thermal analysis （DTA）.展开更多
基金supported by the Science and Technology development plan of Jilin Province(2015052006JH)。
文摘A new complex[Cd(nph)(bix)]n(1,H2nph=4-nitrophthalic acid,bix=1,4-bis(imidazol-1-yl)-benzene)has been successfully synthesized under hydrothermal conditions.Its structure has been characterized by elemental analysis,IR spectrum,TG,single-crystal and powder X-ray diffractions.The Cd^2+ion has a distorted octahedral environment with four O atoms from two nph ligands and two N atoms from two bix ligands.Each bix acts as a cis-conformation bridging ligand to link the neighboring[Cd2(nph)]subunit to form tetranuclear subunits with 42-ring,which are bridged again by bix ligands to yield a two-dimensional network structure.It was stabilized by C–H···O hydrogen bonding andπ-πinteractions,and extended into a 3D supramolecular architecture.Moreover,the luminescent properties of complex 1 have been investigated in the solid state.
基金supported by the International Technology Cooperation Project of Science and Technology Department of Henan Province(No.124300510050)
文摘A new coordination polymer [Ni（L）（m-bix）（H2O）]n （1, H2L = 5-iodo-isophthalic acid, m-bix=1,3-bis（imidazol-1-ylmethyl）-benzene） has been synthesized by the hydrothermal method and characterized by IR, elemental analysis, powder XRD and single-crystal X-ray analysis. The crystal is of triclinic, space group Pī with a = 9.1638（3）, b = 10.2319（3）, c = 13.2463（4） ？, α = 80.1710（10）, β = 83.671（2）, γ = 70.3790（10）o,C22H19NiIN4O5, Mr = 605.02, V = 1150.85（6） ？3, Dc = 1.746 g/cm3, F（000） = 600, μ = 2.225 mm-1, S = 1.045 and Z = 2. The final R = 0.0388 and wR = 0.1257 for 5089 observed reflections with I 〉 2σ（I）. In the title complex, the M and P layers are arranged alternately to give a double-layer structure by the symmetry related hydrogen bonds, and these double-layers are further joined together to achieve a 2D supramolecular architecture through I···π interaction involving iodine atoms and imidazole rings. The thermal stability of the title complex was studied by thermal gravimetric （TG） and differential thermal analysis （DTA）.
