نتایج جستجو برای: poly o
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In the one-dimensional title coordination polymer, [Co(C(2)O(4))(C(10)H(8)N(2))](n), the Co(II) atom is coordinated in a distorted octa-hedral geometry by two N atoms from one 2,2'-bipyridine ligand and four O atoms belonging to two chelating oxalate ligands. Two neighboring Co centers are bridged by an oxalate ligand, forming a one-dimensional chain structure.
The title compound, {[Cd(2)(C(2)H(3)O(3))(2)(SO(4))(H(2)O)(4)]·H(2)O}(n), was obtained unintentionally in a transmetallation reaction. The crystal structure contains a two-dimensional metal-organic framework based on Cd(II)-(μ-hydroxy-acetato-κ(4)O(1),O(2):O(1),O(1'))-Cd(II) zigzag chains joined together by bridging SO(4) anions. The resulting layers are shifted with respect to each other and a...
In the title coordination polymer, [Pb(C(7)H(5)O(2))(NO(3))(C(10)H(8)N(2))](n), the Pb(II) ion is eight-coordinated by two N atoms from one 2,2'-bipyridine ligand, two O atoms from one benzoate anion and four O atoms from three nitrate groups (one chelating, two bridging) in a distorted dodecahedral geometry. Adjacent Pb(II) ions are linked by bridging nitrate O atoms through the central Pb(2)O...
In the asymmetric unit of the title polymeric compound, [Co(C(8)H(4)O(4))(C(5)H(5)N)(2)](n), there are two crystallographically independent Co(II) atoms, each of which is six-coordinated in a distorted octa-hedral geometry by four O atoms from benzene-dicarboxyl-ate anions and two N atoms from pyridine ligands. The benzene-dicarboxyl-ate dianions bridge the Co(II) atoms into a tape running alon...
In title compound, [Ca(C(7)H(5)O(2))(2)(C(7)H(6)O(2))(H(2)O)](n), the eightfold-coordinated Ca(II) ion is bonded to four carboxyl-ate O atoms from two benzoate ions, an O atom from benzoic acid and a water O atom. One of the carboxyl-ate groups bridges adjacent Ca(2+) ions, forming a polymeric ribbon structure parallel to [010]. In the crystal, the benzoate anions and water mol-ecule inter-act ...
In the title complex, {[Pb(C(8)H(7)O(3))(2)(H(2)O)]·H(2)O}(n), the Pb(II) atom is seven-coordinated by six carboxyl-ate O atoms from four different 2-hydroxy-phenyl-acetate (2-dph) ligands and one water mol-ecule, displaying a hemidirected irregular geometry, with the empty side of the metal ion capped by a benzene ring forming a Pb⋯π contact [Pb⋯centroid distance = 3.342 (2) Å]. One 2-dph liga...
In the title compound, {[Sr(C(7)H(4)FO(2))(2)(H(2)O)(2)]·H(2)O}(n), the Sr(II) atom is coordinated by six O atoms and one F atom from four 2-fluoro-benzoate ligands and two water mol-ecules, resulting in an irregular SrFO(8) coordination environment. The μ(3)-2-fluoro-benzoate ligand bridges three symmetry-related Sr(II) atoms, giving rise to a chain structure extending along [010]. The polymer...
In the title compound, [Co(C(2)O(4))(C(10)H(8)N(2))](n), the oxalate group chelates two adjacent metal atoms, resulting in a zigzag chain running along the a axis. The Co(II) centre exists in an all cis-octa-hedral coordination geometry.
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