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Crystal structure of poly[{?-N,N'-bis[(pyridin-4-yl)meth-yl]oxalamide}-?-oxalato-cobalt(II)].

ABSTRACT: In the polymeric title compound, [Co(C2O4)(C14H14N4O2)] n , the Co(II) atom is six-coordinated by two N atoms from symmetry-related bis-[(pyridin-4-yl)meth-yl]oxalamide (BPMO) ligands and four O atoms from two centrosymmetric oxalate anions in a distorted octa-hedral coordination geometry. The Co(II) atoms are linked by the oxalate anions into a chain running parallel to [100]. The chains are linked by the BPMO ligands into a three-dimensional architecture. In addition, N-H?O hydrogen bonds stabilize the crystal packing.

SUBMITTER: Zou H

PROVIDER: S-EPMC4186178 | biostudies-literature | 2014 Sep

REPOSITORIES: biostudies-literature

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Crystal structure of poly[{μ-N,N'-bis[(pyridin-4-yl)meth-yl]oxalamide}-μ-oxalato-cobalt(II)].

Zou Hengye H Qi Yanjuan Y

Acta crystallographica. Section E, Structure reports online 20140801 Pt 9

In the polymeric title compound, [Co(C2O4)(C14H14N4O2)] n , the Co(II) atom is six-coordinated by two N atoms from symmetry-related bis-[(pyridin-4-yl)meth-yl]oxalamide (BPMO) ligands and four O atoms from two centrosymmetric oxalate anions in a distorted octa-hedral coordination geometry. The Co(II) atoms are linked by the oxalate anions into a chain running parallel to [100]. The chains are linked by the BPMO ligands into a three-dimensional architecture. In addition, N-H⋯O hydrogen bonds stab ...[more]

PMID: 25309173

Similar Datasets

Poly[[bis-[μ(2)-N,N'-bis-(2-pyridyl-meth-yl)oxalamide-κN,O:N',O'][μ(2)-N,N'-bis-(2-pyridyl-meth-yl)oxalamide-κN:N']disilver(I)] bis-(trifluoro-methane-sulfonate)].

Project description:The asymmetric unit of the title salt, [Ag(C(14)H(14)N(4)O(2))(1.5)](CF(3)SO(3)), comprises a Ag(+) cation, three half-mol-ecules of N,N'-bis-(2-pyridyl-meth-yl)oxalamide (each of which is dis-posed about a centre of inversion) and a trifluoro-methane-sulfonate anion. Distinct coordination modes are found for the bridging ligands, i.e., a μ(2),κ(2)-bridging mode involving pyridine N atoms for one ligand, and a μ(2),κ(4)-bridging mode, employing both pyridine N and amide O atoms for the remaining ligands. The Ag(+) cations, which are in a distorted square-pyramidal coordination, and the ligands combine to form a two-dimensional array parallel to (101); these arrays are connected into a three-dimensional structure by trifluoro-methane-sulfonate anions via N-H⋯O, C-H⋯O, and C-F⋯O inter-actions.

| S-EPMC3008117 | biostudies-literature

Synthesis, crystal structure and thermal properties of poly[bis-[μ2-3-(amino-meth-yl)pyridine]-bis-(thio-cyanato)-cobalt(II)].

Project description:The reaction of Co(NCS)2 with 3-(amino-meth-yl)pyridine as coligand leads to the formation of crystals of the title compound, [Co(NCS)2(C6H8N2)2] n , that were characterized by single-crystal X-ray analysis. In the crystal structure, the CoII cations are octa-hedrally coordinated by two terminal N-bonded thio-cyanate anions as well as two pyridine and two amino N atoms of four symmetry-equivalent 3-(amino-meth-yl)pyridine coligands with all pairs of equivalent atoms in a trans position. The CoII cations are linked by the 3-(amino-meth-yl)pyridine coligands into layers parallel to the ac plane. These layers are further linked by inter-molecular N-H⋯S hydrogen bonding into a three-dimensional network. The purity of the title compound was determined by X-ray powder diffraction and its thermal behavior was investigated by differential scanning calorimetry and thermogravimetry.

| S-EPMC8025872 | biostudies-literature

A triclinic polymorph of poly[[bis-[μ-1,2-bis-(pyridin-4-yl)ethene-κ(2)N:N']bis-(thio-cyanato-κN)cobalt(II)] 1,2-bis-(pyridin-4-yl)ethene monosolvate].

Project description:In the crystal structure of the title compound, [Co(NCS)(2)(C(12)H(10)N(2))(2)]·C(12)H(10)N(2), the Co(II) cations are octa-hedrally coordinated by two terminally N-bonded thio-cyanate anions and four 1,2-bis-(pyridin-4-yl)ethene (bpe) ligands. The asymmetric unit consists of three crystallographically independent Co(II) cations, six thio-cyanate anions and six coordinating bpe ligands in general positions. Additionally, three non-coordin-ating bpe ligands are present in the asymmetric unit with two of them located on a center of inversion. The Co(II) cations are connected by the bpe ligands into layers parallel to the bc plane. The crystal investigated was non-merohedrically twinned, with a fractional contribution of 0.261 (2) for the minor domain.

| S-EPMC3379076 | biostudies-literature

catena-Poly[[[di-aqua-bis-[1,2-bis-(pyridin-4-yl)diazene]copper(II)]-μ-1,2-bis-(pyridin-4-yl)diazene] bis-(perchlorate)].

Project description:In the title compound, {[Cu(C10H8N4)3(H2O)2](ClO4)2} n , the coordination environment of the cationic Cu(II) atom is distorted octa-hedral, formed by pairs of symmetry-equivalent 1,2-bis-(pyridin-4-yl)diazene ligands, bridging 1,2-bis-(pyridin-4-yl)diazene ligands and two non-equivalent water mol-ecules. The 1,2-bis-(pyridin-4-yl)diazene mol-ecules form polymeric chains parallel to [-101] via azo bonds which are situated about inversion centres. Since the Cu(II) atom is situated on a twofold rotation axis, the monomeric unit has point symmetry 2. The perchlorate anions are disordered in a 0.536 (9):0.464 (9) ratio and are acceptors of water H atoms in medium-strong O-H⋯O hydrogen bonds with graph set R 4 (4)(12). The water mol-ecules, which are coordinated to the Cu(II) atom and are hydrogen-bonded to the perchlorate anions, form columns parallel to [010]. A π-π inter-action [centroid-centroid distance = 3.913 (2) Å] occurs between pyridine rings, and weak C-H⋯O inter-actions also occur.

| S-EPMC3684881 | biostudies-literature

Poly[[μ-1,3-bis-(pyridin-3-yl)urea]bis-(μ4-glutarato)dicopper(II)].

Project description:The title compound, [Cu2(C5H6O4)2(C11H10N4O)]n, contains square-pyramidally coordinated CuII ions linked by anti-gauche conformation glutarate (glu) ligands into [Cu2(glu)2]n di-periodic coordination polymer layers with embedded [Cu2(OCO)4] paddlewheel clusters. In turn, the layer motifs are connected by 1,3-di(pyridin-3-yl)urea (3-dpu) linkers to form a [Cu2(glu)2(3-dpu)]n tri-periodic coordination polymer network. Treating the [Cu2(OCO)4] clusters as 6-connected nodes reveals an underlying 41263 pcu topology according to TOPOSPRO software [Blatov et al. (2014 ▸). Cryst. Growth Des. 14, 3576-3586].

| S-EPMC10561227 | biostudies-literature

Crystal structure of ammonium bis-[(pyridin-2-yl)meth-yl]ammonium dichloride.

Project description:In the title molecular salt, C12H14N3 (+)·NH4 (+)·2Cl(-), the central, secondary-amine, N atom is protonated. The bis-[(pyridin-2-yl)meth-yl]ammonium and ammonium cations both lie across a twofold rotation axis. The dihedral angles between the planes of the pyridine rings is 68.43 (8)°. In the crystal, N-H⋯N and N-H⋯Cl hydrogen bonds link the components of the structure, forming a two-dimensional network parallel to (010). In addition, weak C-H⋯Cl hydrogen bonds exist within the two-dimensional network.

| S-EPMC4555372 | biostudies-literature

Hexaaqua-cobalt(II) bis-[4-(pyridin-2-yl-meth-oxy)benzoate] dihydrate.

Project description:The Co(II) atom in the title salt, [Co(H(2)O)(6)](C(13)H(10)NO(3))(2)·2H(2)O, lies on a center of inversion in an octa-hedron of water mol-ecules. The cations, anions and uncoordinated water mol-ecules are linked by O-H⋯O and O-H⋯N hydrogen bonds into a three-dimensional network. The anion is essentially planar, with an r.m.s. deviation of all non-H atoms of 0.066 Å.

| S-EPMC3246947 | biostudies-literature

Crystal structure of catena-poly[[(μ-6-{[bis-(pyridin-2-ylmeth-yl)amino]-meth-yl}pyridine-2-carboxyl-ato)copper(II)] perchlorate aceto-nitrile monosolvate].

Project description:The crystal structure of the title compound, {[Cu(C19H17N4O2)]ClO4·C2H3N} n , is reported and compared to similar structures in the literature. The compound crystallizes in the monoclinic space group P21. The unit cell contains one complex mol-ecule in addition to perchlorate as the counter-ion and solvent (aceto-nitrile). The crystal packing evinces extended chains whereby the carboxyl-ate moiety on the 6-carboxyl-ato-2-(pyridyl-meth-yl)bis-(pyridin-2-ylmeth-yl)amine ligand bridges between two different copper centers in adjacent mol-ecules. This packing arrangement for the title compound appears to be unique when compared to allied structures in the literature. The perchlorate anion showed signs of disorder and its oxygen atoms were modelled over two sets of partially occupied sites, the occupancy of which was competitively refined to 0.564 (12)/0.436 (12). The crystal studied was refined as a two-component inversion twin.

| S-EPMC6658946 | biostudies-literature

Poly[μ₂-aqua-μ₄-(2-{3-[(6-chloro-pyridin-3-yl)meth-yl]-2-oxoimidazolidin-1-yl}acetato)-sodium].

Project description:In the title compound, [Na(C₁₁H₁₁ClN₃O₃)(H₂O)](n), there are two independent Na(I) ions, one of which lies on an inversion center and is coordinated in a slightly distorted octa-hedral environment. The other Na(I) ion lies on a twofold rotation axis and is cooordinated in a slightly distorted trigonal-bipyramidal coordination environment. In the organic ligand, the imidazolidine ring adopts a half-chair conformation. The Na(I) ions bridge organic ligands and water mol-ecules, forming a two-dimensional structure parallel to (100). There are inter-molecular O-H⋯O and weak C-H⋯O hydrogen bonds within the two-dimensional structure.

| S-EPMC3393166 | biostudies-literature

Poly[diaqua-μ(4)-oxalato-di-μ(6)-phosphato-tetra-cobalt(II)].

Project description:In the structure of the title compound, [Co(4)(C(2)O(4))(PO(4))(2)(H(2)O)(2)](n), there are layers composed of the phosphate anions and two independent Co(II) cations. These layers are parallel to (001) and are bridged by the oxalate anions that are situated in special positions on centres of symmetry. One independent Co atom has an octa-hedral coordination, while the second independent Co atom is coordinated in a trigonal-bipyramidal coordination that includes the water mol-ecule. The crystal packing is stabilized by O-H⋯O hydrogen bonds between the coordinated water mol-ecules and oxalate O atoms.

| S-EPMC2960387 | biostudies-literature

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