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Poly[[?(2)-1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene-?N:N']di-?(2)-chlorido-cadmium].

ABSTRACT: In the title coordination polymer, [CdCl(2)(C(12)H(12)N(2)O(2))](n), the Cd(II) ion, situated on an inversion center, is coordinated by four bridging Cl atoms and two N atoms from two 1,4-bis-(4,5-dihydro-1,3--oxazol-2-yl)benzene (L) ligands in a distorted octa-hedral geometry. Each L ligand also lies across an inversion center and bridges two Cd(II) ions, forming infinite two-dimensional recta-ngular layers running parallel to (010).

SUBMITTER: Wang PN

PROVIDER: S-EPMC3212158 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Poly[[μ(2)-1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene-κN:N']di-μ(2)-chlorido-cadmium].

Wang Pin-Ning PN Yeh Chun-Wei CW Lee Hsun-Tsing HT Suen Maw-Cherng MC

Acta crystallographica. Section E, Structure reports online 20110713 Pt 8

In the title coordination polymer, [CdCl(2)(C(12)H(12)N(2)O(2))](n), the Cd(II) ion, situated on an inversion center, is coordinated by four bridging Cl atoms and two N atoms from two 1,4-bis-(4,5-dihydro-1,3--oxazol-2-yl)benzene (L) ligands in a distorted octa-hedral geometry. Each L ligand also lies across an inversion center and bridges two Cd(II) ions, forming infinite two-dimensional recta-ngular layers running parallel to (010). ...[more]

PMID: 22090860

Similar Datasets

Poly[[?-1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene-?N:N']di-?-bromido-cadmium].

Project description:In the title coordination polymer, [CdBr(2)(C(12)H(12)N(2)O(2))](n), the Cd(II) ion, situated on an inversion centre, is coordinated by four bridging Br atoms and two N atoms from two 1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene (L) ligands in a distorted octa-hedral geometry. The L ligand, which also lies across an inversion centre, bridges two Cd(II) ions, forming layers parallel to (010).

| S-EPMC3212171 | biostudies-literature

catena-Poly[[bis-(nitrato-?O)copper(II)]-?-1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)-benzene-?N:N'].

Project description:In the title coordination polymer, [Cu(NO(3))(2)(C(12)H(12)N(2)O(2))](n), the Cu(II) ion, situated on an inversion center, is coordinated by two O atoms from two nitrate anions and two N atoms from two 1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene (L) ligands in a distorted square-planar geometry. Each L ligand also lies across an inversion center and bridges two Cu(II) ions, forming a polymeric chain running along the [101] direction. The three O atoms of the nitrate group are disordered over two positions in a 3:2 ratio.

| S-EPMC3152049 | biostudies-literature

2-(4,5-Dihydro-1,3-oxazol-2-yl)quinoline.

Project description:The title compound, C(12)H(10)N(2)O, is approximately planar. The angle between the quinoline and 4,5-dihydro-oxazole ring systems is 11.91?(12)°. The mol-ecules pack into a herringbone array with no significant ?-? inter-actions. The dihydro-oxazole N and O atoms are disordered over two positions, with almost equal site occupancy factors.

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Poly[[(?2-benzene-1,3-di-carboxyl-ato){?2-1,4-bis-[(1H-imidazol-1-yl)meth-yl]benzene}-cadmium] di-methyl-formamide monosolvate].

Project description:The title coordination polymer, {[Cd(C8H4O4)(C14H14N4)]·C3H7NO} n , was synthesized by solvothermal reaction of metallic cadmium with the semi-rigid neutral ligand 1,4-bis-[(1H-imidazol-1-yl)meth-yl]benzene (bix) and the V-shaped benzene-1,3-di-carb-oxy-lic acid (m-H2bdc). The structure exhibits a pseudo-C-centring which is almost fulfilled by the polymeric metal complex but not by the solvent dimethylform-amide (DMF) mol-ecules. The asymmetric unit contains two independent Cd(II) ions, two m-bdc(2-) ligands, one and two half bix ligands, and two solvent DMF mol-ecules. The Cd(II) ions are both five-coordinated by three O atoms from two different m-bdc(2-) ligands and two N atoms from two different bix ligands in a distorted square-pyramidal geometry. The m-bdc(2-) ligands adopt a chelate-monodentate coordination mode, connecting neighboring Cd(II) ions into a zigzag chain parallel to [110]. Adjacent chains are further cross-linked by bix ligands, giving rise to a puckered sheet nearly perpendicular to the chain direction. Thus, each Cd(II) ion is connected to four neighboring Cd(II) ions through two m-bdc(2-) anions and two bix ligands, giving rise to the final non-inter-penetrating uninodal layer with sql (4,4) topology.

| S-EPMC3884267 | biostudies-literature

Poly[di-?(2)-chlorido-?(2)-(1,4-dioxane-?O:O')-cadmium(II)].

Project description:In the title complex, [CdCl(2)(C(4)H(8)O(2))](n), two different Cd(II) ions are present, one in a general position and one with site symmetry 2. The Cd(II) ions are coordinated by two O atoms from two 1,4-dioxane ligands and four chloride anions in a slightly distorted octa-hedral geometry and is connected to neighboring Cd(II) ions by two bridging chloride anions, generating infinite linear chains along the a axis. These chains are further inter-connected by bridging 1,4-dioxane ligands, affording a three-dimensional network.

| S-EPMC3011614 | biostudies-literature

catena-Poly[cadmium-?-[1,3-bis-(imidazol-1-yl)propane]-di-?-chlorido].

Project description:The title complex, [CdCl(2)(C(9)H(12)N(4))](n), is characterized by the formation of a zigzag chain structure parallel to [001]. In the chain, the Cd(2+) cation is coordinated by four bridging Cl(-) ligands in equatorial positions and two N atoms from symmetry-related and likewise bridging 1,3-bis-(imidazol-1-yl)propane ligands in axial positions, forming a distorted CdCl(4)N(2) octa-hedron.

| S-EPMC3379108 | biostudies-literature

Tetra-kis[?-1,3-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene-?(2)N:N']tris-ilver(I) tris-(hexa-fluoridophosphate).

Project description:In the title compound, [Ag(3)(C(12)H(12)N(2)O(2))(4)](PF(6))(3), one Ag(I) ion, lying on a twofold rotation axis, is coordinated by four N atoms from four 1,3-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene (L) ligands in a distorted tetra-hedral geometry and the other Ag(I) ion is coordinated by two N atoms from two L ligands in a bent arrangement [N-Ag-N = 169.03?(17)°]. Two L ligands adopt a syn conformation, while the other two adopt an anti conformation. They bridge adjacent Ag(I) ions, forming a trinuclear complex. One of the PF(6) (-) anions is half-occupied, with the P atom located on a twofold rotation axis. The PF(6) (-) anions link the complex mol-ecules via Ag?F inter-actions [2.80?(2) and 2.85?(2)?Å] into a polymeric chain along [100].

| S-EPMC3435593 | biostudies-literature

catena-Poly[(dichloridocadmium)-di-?-chlorido-[bis-(morpholinium-?O)cadmium]-di-?-chlorido].

Project description:In the title compound, [Cd(2)Cl(6)(C(4)H(10)NO)(2)](n), the coordination geometry of each Cd(II) ion is distorted octa-hedral, but with quite different coordination environments. One Cd(II) atom is coordinated by four Cl atoms and two O atoms from two morpholinium ligands, while the other is coordinated by six Cl atoms. Adjacent Cd(II) atoms are inter-connected alternately by paired chloride bridges, generating a chain parallel to the a axis. Inter-chain N-H?Cl inter-actions form a two-dimensional network.

| S-EPMC3212201 | biostudies-literature

Poly[bis-(ethanol)(?4-2,3,5,6-tetra-fluoro-benzene-1,4-di-carboxyl-ato)cadmium].

Project description:In the title compound, [Cd(C8F4O4)(C2H5OH)2] n , the Cd(II) cation sits on an inversion centre and is coordinated by six O atoms from four tetra-fluoro-benzene-1,4-di-carboxyl-ate anions and two ethanol mol-ecules in a distorted octa-hedral geometry. The anionic ligand is also located on an inversion centre, and connects four Cd(II) cations, generating a two-dimensional polymeric layer parallel to the ab plane. Within the layer, the ethanol mol-ecule links F and O atoms of the nearest anionic ligands via O-H?O and O-H?F hydrogen bonds. The ethyl group of the ethanol mol-ecule is disordered over two positions with an occupancy ratio of 0.567?(10):0.433?(10).

| S-EPMC3884245 | biostudies-literature

catena-Poly[[aqua-(1,10-phenanthroline)cadmium(II)]-μ-benzene-1,4-di-carboxyl-ato].

Project description:The title compound, [Cd(C(8)H(4)O(4))(C(12)H(8)N(2))(H(2)O)](n), is a new coordination polymer of benzene-1,4-dicarboxyl-ate with cadmium(II) and 1,10-phenanthroline. The Cd(II) ion is coordinated by two N atoms from the 1,10-phenanthroline mol-ecule, three O atoms from two crystallographically independent benzene-1,4-dicarboxyl-ate ligands and the O atom of a coordinated water mol-ecule, forming a heavily distorted octa-hedron. The 1,10-phenanthroline ligand is approximately planar within 0.073 (4) Å. The two different benzene-1,4-dicarboxyl-ate ligands each coordinate to two Cd(II) ions in bidentate and monodentate modes, forming an infinite zigzag chain. Adjacent chains are packed tightly by strong π-π inter-actions [centroid-centroid distances = 3.851 (2) and 3.859 (2) Å] between the aromatic rings of the benzene-1,4-dicarboxyl-ate ligand and the 1,10-phenanthroline of a neighboring chain, forming a sheet parallel to (011). Different sheets are linked together via O-H⋯O hydrogen bonds between the coordinated water mol-ecules and the O atoms of the carboxyl-ate groups, forming a three-dimensional network.

| S-EPMC2967922 | biostudies-literature

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