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Catena-Poly[[diiodidocadmium(II)]-?-4,4'-di-4-pyridyl-2,2'-disulfanediyldipyrimidine].

ABSTRACT: In the title compound, [CdI(2)(C(18)H(12)N(6)S(2))](n), the 4,4'-di-4-pyridyl-2,2'-disulfanediyldipyrimidine (L) ligand bridges two Cd(II) centers, forming polymeric zigzag chains extending along the b axis. The Cd(II) ions are coordinated by two N atoms from two L ligands and two iodide anions in a distorted tetra-hedral geometry.

SUBMITTER: Zhu HB

PROVIDER: S-EPMC2980057 | biostudies-literature | 2009 Dec

REPOSITORIES: biostudies-literature

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catena-Poly[[diiodidocadmium(II)]-μ-4,4'-di-4-pyridyl-2,2'-disulfanediyldipyrimidine].

Zhu Hai-Bin HB

Acta crystallographica. Section E, Structure reports online 20091204 Pt 1

In the title compound, [CdI(2)(C(18)H(12)N(6)S(2))](n), the 4,4'-di-4-pyridyl-2,2'-disulfanediyldipyrimidine (L) ligand bridges two Cd(II) centers, forming polymeric zigzag chains extending along the b axis. The Cd(II) ions are coordinated by two N atoms from two L ligands and two iodide anions in a distorted tetra-hedral geometry. ...[more]

PMID: 21579907

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catena-Poly[[di-?-iodido-dicopper(I)(Cu-Cu)]bis-(?-4,4'-di-3-pyridyl-2,2'-disulfanediyldipyrimidine)].

Project description:The title complex, [Cu(2)I(2)(C(18)H(12)N(6)S(2))(2)](n), contains a Cu(2)I(2) core with a Cu-Cu distance of 2.6935?(14)?Å. The Cu(I) atom is coordinated by two bridging 4,4'-di-3-pyridyl-2,2'-disulfanediyldipyrimidine ligands and two bridging I atoms, forming a double chain.

| S-EPMC2980262 | biostudies-literature

catena-Poly[[(2,2'-bipyridine)-manganese(II)]-?(3)-4,4'-sulfonyl-dibenzoato].

Project description:In the title compound, [Mn(C(14)H(8)O(6)S)(C(10)H(8)N(2))](n), the Mn(II) ion is coordinated by four O atoms from three 4,4'-sulfonyl-dibenzoate (sdba) ligands and two N atoms from one 2,2'-bipyridine (2,2'-bipy) ligand in a distorted octa-hedral geometry. The manganese atoms are alternately bridged either by two sdba ligands, with an Mn?Mn separation of 12.284?(1)?Å, or by two carboxyl-ate groups from two sdba ligands, with an Mn?Mn separation of 4.064?(1)?Å, thus producing polymeric chains propagated in [101]. Weak inter-molecular C-H?O hydrogen bonds and ?-? inter-actions [centroid-centroid distance of 3.730?(3)?Å between the aromatic rings of neighbouring polymeric chains] further stabilize the crystal packing.

| S-EPMC3120441 | biostudies-literature

catena-Poly[[(4,4'-dimethyl-2,2'-bipyridine-?(2) N,N')cadmium]-di-?-bromido].

Project description:In the crystal of the title polymeric compound, [CdBr2(C12H12N2)] n , the Cd(II) cation is located on a twofold rotation axis and is six-coordinated in a distorted octa-hedral geometry formed by two N atoms from the 4,4'-dimethyl-2,2'-bipyridine ligand and by four bridging Br(-) anions. The bridging function of the Br(-) anions leads to a polymeric chain running along the c axis. Weak C-H?? inter-actions observed between adjacent chains are effective in the stabilization of the three-dimensional packing.

| S-EPMC3588747 | biostudies-literature

4,4'-Di-3-pyridyl-2,2'-dithio-dipyrimidine.

Project description:The asymmetric unit of the title compound, C(18)H(12)N(6)S(2), contains one half-mol-ecule situated on a twofold rotational axis that passes through the mid-point of the S-S bond. In the mol-ecule, the C-S-S-C torsion angle is 81.33?(7)°. The crystal packing exhibits no significantly short inter-molecular contacts.

| S-EPMC2969656 | biostudies-literature

(4,4'-Dimethyl-2,2'-bipyridine-?N,N')(dimethyl sulfoxide-?O)diiodidocadmium(II).

Project description:In the title compound, [CdI(2)(C(12)H(12)N(2))(C(2)H(6)OS)], the Cd(II) cation is coordinated by two N atoms from a dimethyl-bipyridine ligand, one O atom from a dimethyl sulfoxide mol-ecule and two I(-) anions in a distorted trigonal-bipyramidal geometry. Intra-molecular C-H?O hydrogen bonding and inter-molecular ?-? stacking between parallel pyridine rings [centroid-centroid distance = 3.658?(3)?Å] are present in the crystal structure.

| S-EPMC2979279 | biostudies-literature

catena-Poly[[(2,2'-bipyrimidine-κN,N)diperchloratocopper(II)]-μ-4,4'-bipyridine-κN:N'].

Project description:The central CuN(4)O(2) motif of the title compound, [Cu(ClO(4))(2)(C(8)H(6)N(4))(C(10)H(8)N(2))](n), exhibits a Jahn-Teller-distorted octa-hedral geometry around the metal centre, showing a considerably long Cu-O bond distance of 2.634 (4) Å towards the second perchlorate group occupying the sixth coordination site, giving a (4+1+1)-type coordination mode. The 4,4'-bipyridine (bipy) ligands are highly twisted with respect to each other, the dihedral angle between the two pyridyl ring planes being 38.9 (2)°. The bipy ligands act as bridging ligands between [Cu(ClO(4))(2)(2,2'-bpym)] (2,2'-bpym is 2,2'-bipyrimidine) units, generating an infinite one-dimensional zigzag chain along [010]. Intra- and intermolecular C-H⋯O hydrogen bonds are present in the crystal structure.

| S-EPMC2961952 | biostudies-literature

catena-Poly[[(5,5'-dimethyl- 2,2'-bipyridine-?N,N')cadmium(II)]-di-?-chlorido].

Project description:The asymmetric unit of the title compound, [CdCl(2)(C(12)H(12)N(2))](n), contains one half-mol-ecule; a twofold rotation axis passes through the Cd atom. The Cd(II) atom is six-coordinated in a distorted octa-hedral configuration by two N atoms from 2,2'-bipyridine-5,5'-dimethyl and four bridging Cl atoms. The bridging function of the chloro atoms leads to a one-dimensional chain structure. There is a ?-? contact between the pyridine rings [centroid-centroid distance = 3.9807?(9)?Å].

| S-EPMC2959444 | biostudies-literature

catena-Poly[[dichloridozinc(II)]-μ-2,5-di-4-pyridyl-1,3,4-thia-diazole-κN:N].

Project description:The title compound, [ZnCl(2)(C(12)H(8)N(4)S)](n), was obtained by crystallization of 2,5-di-4-pyridyl-1,3,4-thia-diazole with ZnCl(2) in an MeOH/CHCl(3) solvent system. The structure contains infinite chains of ZnCl(2) units connected by the bifunctional thia-diazole ligands, with Zn(II) adopting a distorted tetra-hedral coordination geometry. The dihedral angle between the two pyridyl rings in each ligand is 34.3 (1)°, and the dihedral angles between the thia-diazole ring and the two pyridyl rings are 18.3 (2) and 16.1 (2)°. The shortest Zn⋯Zn distance within each polymeric chain is 11.862 (3) Å, while the shortest inter-chain Zn⋯Zn distance is 7.057 (3) Å.

| S-EPMC2960333 | biostudies-literature

4,4'-Di-4-pyridyl-2,2'-dithio-dipyrimidine.

Project description:In the title mol-ecule, C(18)H(12)N(6)S(2), the C-S-S-C torsion angle is 96.12?(9)°. The dihedral angles between the pyridyl and pyrimidinyl rings are 16.7?(1) and 1.27?(9)°. In the crystal, inter-molecular ?-? inter-actions between the aromatic rings [centroid-centroid distances = 3.888?(2) and 3.572?(1)?Å] link mol-ecules into chains propagating in [011].

| S-EPMC2969497 | biostudies-other

catena-Poly[[(5,5'-dimethyl-2,2'-bi-pyridine-?N,N')cadmium(II)]-di-?-iodido].

Project description:In the title coordination polymer, [CdI(2)(C(12)H(12)N(2))](n), the Cd(2+) ion lies on a twofold rotation axis: it is six-coordinated in a distorted cis-CdN(2)I(4) octa-hedral geometry by two N atoms from a chelating 5,5'-dimethyl-2,2'-bipyridine ligands and four bridging iodide anions. The bridging function of the iodide ions leads to a chain structure propagating in [001].

| S-EPMC2979037 | biostudies-literature

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