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Poly[[diaqua-deca-?-cyanido-hexa-cyanidobis-(4-cyano-pyridine)di-?-pyrimidine-tricopper(II)ditungsten(V)] dihydrate].

ABSTRACT: In the polymeric title compound, {[Cu(3)W(2)(CN)(16)(C(4)H(4)N(2))(2)(C(6)H(4)N(2))(2)(H(2)O)(2)]·2H(2)O}(n), the coordination geometry of W is an eight-coordinated bicapped trigonal prism. Five of the CN groups of [W(CN)(8)] are bridged to Cu ions. The coordination geometries of the Cu atoms are each pseudo-octa-hedral; one Cu atom is located on a centre of inversion. The cyano-bridged W-Cu layers are linked by Cu-containing pillars, to form a three-dimensional network with cavities occupied by noncoordinated water and 4-cyano-pyridine mol-ecules.

SUBMITTER: Kaneko S

PROVIDER: S-EPMC2959564 | biostudies-literature | 2008 Oct

REPOSITORIES: biostudies-literature

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Poly[[diaqua-deca-μ-cyanido-hexa-cyanidobis-(4-cyano-pyridine)di-μ-pyrimidine-tricopper(II)ditungsten(V)] dihydrate].

Kaneko Souhei S Tsunobuchi Yoshihide Y Nakabayashi Koji K Ohkoshi Shin-Ichi S

Acta crystallographica. Section E, Structure reports online 20081018 Pt 11

In the polymeric title compound, {[Cu(3)W(2)(CN)(16)(C(4)H(4)N(2))(2)(C(6)H(4)N(2))(2)(H(2)O)(2)]·2H(2)O}(n), the coordination geometry of W is an eight-coordinated bicapped trigonal prism. Five of the CN groups of [W(CN)(8)] are bridged to Cu ions. The coordination geometries of the Cu atoms are each pseudo-octa-hedral; one Cu atom is located on a centre of inversion. The cyano-bridged W-Cu layers are linked by Cu-containing pillars, to form a three-dimensional network with cavities occupied by ...[more]

PMID: 21580882

Similar Datasets

Poly[[di-aqua-deca-μ2-cyanido-κ(20) C:N-hexa-cyanido-κ(6) C-bis-(μ2-5-methyl-pyrimidine-κ(2) N:N')bis-(5-methyl-pyrimidine-κN)tricopper(II)ditungstate(V)] dihydrate].

Project description:In the title complex, {[Cu3[W(CN)8]2(C5H6N2)4(H2O)2]·2H2O} n , the coordination polyhedron of the eight-coordinated W(V) atom is a bicapped trigonal prism, in which five CN groups are bridged to Cu(II) ions, and the other three CN groups are terminally bound. Two of the Cu(II) ions lie on a centre of inversion and each of the three independent Cu(II) cations is pseudo-octahedrally coordinated. In the crystal structure, cyanido-bridged-Cu-W-Cu layers are linked by pillars involving the third independent Cu(II) ion, generating a three-dimensional network with non-coordinating water mol-ecules and 5-methyl-pyrimidine mol-ecules. O-H⋯O and O-H⋯N hydrogen bonds involve the coordinating and non-coordin-ating water mol-ecules, the CN groups and the 5-methyl-pyrimidine mol-ecules.

| S-EPMC3998256 | biostudies-literature

Poly[[diaqua-hexa-?-cyanido-cerium(III)ferrate(III)] dihydrate].

Project description:In the structure of the title complex, {[CeFe(CN)(6)(H(2)O)(2)]·2H(2)O}(n), the Ce(III) and Fe(III) atoms exhibit square anti-prismatic [CeN(6)(H(2)O)(2)] (site symmetry m2m) and octahedral [FeC(6)] (site symmetry 2/m) coordination geometries, respectively. The metal atoms are linked alternately through the cyanide groups, forming a three-dimensional framework in which the {Ce(2)Fe(2)(CN)(4)} puckered square unit is the basic building block. The crystal packing is enforced by O-H?O and O-H?N hydrogen bonds, including the uncoordinated water molecule which is located on a mirror plane.

| S-EPMC3344291 | biostudies-literature

catena-Poly[[[diaqua-thulium(III)]-μ-6-carboxy-nicotinato-μ-pyridine-2,5-di-carboxyl-ato] dihydrate].

Project description:The title compound, {[Tm(C(7)H(3)NO(4))(C(7)H(4)NO(4))(H(2)O)(2)]·2H(2)O}(n), is isotypic with the analogous Tb(III) compound [Li et al. (2009 ▶). Acta Cryst. E65, m410]. All interatomic distances and angles and the hydrogen-bond geometries are very similar for the two structures. The refined Flack parameter of 0.49 (2) suggests inversion twinning.

| S-EPMC2968913 | biostudies-literature

catena-Poly[[[diaqua-terbium(III)]-μ-6-carboxy-nicotinato-μ-pyridine-2,5-di-carboxyl-ato] dihydrate].

Project description:The title compound, {[Tb(C(7)H(3)NO(4))(C(7)H(4)NO(4))(H(2)O)(2)]·2H(2)O}(n), is isotypic with the analogous Tm(III) compound [Li, Zhang, Wang & Bai (2009). Acta Cryst. E65, m411]. The Tb(III) atom is octa-coordinated by two water mol-ecules and by four carboxyl-ate O atoms and two pyridyl N atoms from two pyridine-2,5-dicarboxyl-ate (2,5-pydc) and two 6-carboxy-nicotinate (2,5-Hpydc) ligands. The 2,5-pydc and 2,5-Hpydc ligands bridge Tb(III) atoms, generating helical coordination polymers along [001]. An extensive network of O-H⋯O hydrogen bonds is formed between the coordination polymers and the uncoordinated water mol-ecules. The refined Flack parameter of 0.54 (2) suggests inversion twinning.

| S-EPMC2968984 | biostudies-literature

Poly[hexa-aqua-hexa-kis-(?-pyridine-2,4-dicarboxyl-ato)tricopper(II)dieuropium(III)].

Project description:The asymmetric unit of the title heterometallic coordination polymer, [Cu(3)Eu(2)(C(7)H(3)NO(4))(6)(H(2)O)(6)](n), contains one Eu(III) and two Cu(II) atoms, three pyridine-2,4-dicarboxylate (pdc)(2-) anions and three water molecules. One Cu(II) atom is located on an inversion center and is N,O-chelated by two pdc(2-) anions in the equatorial plane and further coordinated by two carboxyl-ate O atoms from another two pdc anions in the axial positions, with an elongated octa-hedral geometry [Cu-O = 2.409?(3)?Å in the axial direction]; the other Cu atom is N,O-chelated by two pdc anions in the coordination basal plane and coordinated by a carboxyl O atom at the apical position with a distorted square-pyramidal geometry [Cu-O = 2.359?(3)?Å in the apical direction]. The Eu atom is eight-coordinated with a distorted square-anti-prismatic geometry formed by five carboxyl-ate O atoms from five pdc anions and three water mol-ecules. The carboxyl-ate anions bridge adjacent Eu and Cu atoms, forming the coordination polymer. Inter- and intra-molecular O-H?O hydrogen bonding occurs in the structure. ?-? stacking further consolidates the crystal structure, the centroid-centroid distance between parallel pyridine rings being 3.367?(2)?Å.

| S-EPMC3011568 | biostudies-literature

Poly[[dodeca-aqua-hexa-kis-(?(2)-pyridine-2,5-dicarboxyl-ato)tricopper(II)diytterbium(III)] dihydrate].

Project description:The asymmetric unit of the title heterometallic coordination polymer, {[Cu(3)Yb(2)(C(7)H(3)NO(4))(6)(H(2)O)(12)]·2H(2)O}(n), contains one Yb(III) and two Cu(II) atoms. The Cu(II) atom that is located on an inversion center is N,O-chelated by two pyridine-2,5-dicarboxyl-ate (pdc) anions in a square-planar geometry; the Cu atom located on a general position is N,O-chelated by two pdc anions in the basal plane and is further coordinated by a water O atom at the apical position in a distorted square-pyramidal geometry. The Yb(III) atom is eight coordinated in a distorted square-anti-prismatic geometry formed by three carboxyl-ate O atoms from three pdc anions and five water mol-ecules. The pdc anions bridge adjacent Yb(III) and Cu(III) atoms, forming a three-dimensional polymeric structure. The crystal structure contains extensive O-H?O hydrogen bonds. ?-? stacking is present in the crystal structure, the shortest centroid-centroid distance between parallel pyridine rings of adjacent mol-ecules being 3.646?(3)?Å.

| S-EPMC3099879 | biostudies-other

Poly[tetra-μ(1,1)-azido-bis-(μ(2)-pyrimidine-2-carboxyl-ato)tricopper(II)].

Project description:In the title compound, [Cu(3)(C(5)H(3)N(2)O(2))(2)(N(3))(4)](n), one of the Cu(II) atoms lies on an inversion centre and is octa-hedrally coordinated by two bidentate chelating pyrimidine-2-carboxyl-ate ligands and two azide anions, each of which gives an N:N-bridge to the second inversion-related Cu(II) centre in the formula unit. The second Cu(II) atom is five-coordinated with a distorted square-pyramidal coordination sphere comprising a single bidentate chelating pyrimidine-2-carboxyl-ate anion and three azide N anions, two of which doubly bridge centrosymmetric Cu(II) centres, giving a two-dimensional network structure extending parallel to (010).

| S-EPMC3007223 | biostudies-literature

Poly[bis[3,10-bis(2-hydroxyethyl)-1,3,5,8,10,12-hexa-azacyclo-tetra-deca-ne]tetra-μ-cyanido-tetracyanidodicopper(II)molybdenum(IV)] tetra-hydrate].

Project description:In the title complex, {[Cu(2)Mo(CN)(8)(C(12)H(30)N(6)O(2))(2)]·4H(2)O}(n), the polyhedron around Mo has site symmetry with a distorted square-antiprismatic shape, while the Cu atom (2 symmetry) is in a distorted axially elongated octa-hedral coordination environment. The uncoordinated water molecule is disordered over three sites with occupancies of 0.445 (7), 0.340 (7) and 0.215 (7). Mo and Cu atoms acting as basic components are connected by an Mo-CN-Cu-NC-Mo- linkage to form a distorted diamond-like network. Additional hydrogen bonding between the N-H groups and the water molecules stabilizes this arrangement.

| S-EPMC2959912 | biostudies-literature

Poly[[diaqua-μ(4)-tartrato-μ(2)-tartrato-dimanganese(II)] dihydrate].

Project description:In the title compound, {[Mn(C(4)H(4)O(6))(H(2)O)]·H(2)O}(n), the Mn(2+) ion is connected to three different tartrate anions and a water mol-ecule, resulting in a distorted MnO(6) octa-hedral geometry. There are two tartrate half-anions in the asymmetric unit, both of which are completed by crystallographic twofold rotation symmetry. The tartrate dianions bridge the Mn(2+) ions to form a wave-like infinite layer. A series of O-H⋯O hydrogen bonds link the layers into a three-dimensional network.

| S-EPMC2960245 | biostudies-literature

Poly[[tri-μ-cyanido-cyanido(1,4,10,13-tetra-oxa-7,16-diaza-cyclo-octa-deca-ne)barium(II)platinum(II)] hemihydrate].

Project description:The title compound, {[BaPt(CN)(4)(C(12)H(26)N(2)O(4))]·0.5H(2)O}(n), is a two-dimensional coordination polymer in which the sheets are oriented approximately parallel to the (01) set of crystal planes. In the crystal structure, disordered water mol-ecules (half occupancy) connect the sheets into a three-dimensional network via inter-molecular O-H⋯O hydrogen bonds. An N-H⋯N inter-action is also present. The shortest Pt⋯Pt contacts are 7.5969 (4) Å by an inversion relationship and 7.6781 (4) Å by translation along the a axis.

| S-EPMC2968926 | biostudies-literature

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