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Catena-Poly[[(2-amino-pyrimidine-?N(1))(thio-cyanato-?S)mercury(II)]-?-thio-cyanato-?(2)S:N].

ABSTRACT: In the title coordination polymer, [Hg(NCS)(2)(C(4)H(5)N(3))], the Hg(II) atom is four-coordinated by one aromatic N atom from a 2-amino-pyrimidine ligand, one S atom from a terminal thio-cyanate ligand, and one S atom and one N atom from a bridging thio-cyanate ligand. The crystal structure features polymeric chains running along the b axis which are stabilized by N-H?N hydrogen bonds.

SUBMITTER: Hoseinzadeh F

PROVIDER: S-EPMC3344369 | biostudies-literature | 2012 May

REPOSITORIES: biostudies-literature

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catena-Poly[[(2-amino-pyrimidine-κN(1))(thio-cyanato-κS)mercury(II)]-μ-thio-cyanato-κ(2)S:N].

Hoseinzadeh Fatemeh F Shirvan Sadif A SA Haydari Dezfuli Sara S

Acta crystallographica. Section E, Structure reports online 20120421 Pt 5

In the title coordination polymer, [Hg(NCS)(2)(C(4)H(5)N(3))], the Hg(II) atom is four-coordinated by one aromatic N atom from a 2-amino-pyrimidine ligand, one S atom from a terminal thio-cyanate ligand, and one S atom and one N atom from a bridging thio-cyanate ligand. The crystal structure features polymeric chains running along the b axis which are stabilized by N-H⋯N hydrogen bonds. ...[more]

PMID: 22590135

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catena-Poly[[bis-(thio-cyanato-?N)cobalt(II)]-di-?-thio-urea-?(4)S:S].

Project description:In the title polymeric complex, [Co(NCS)(2){SC(NH(2))(2)}(2)](n), the asymmetric unit comprises a Co(II) ion, which is situated on an inversion centre, an N-bound thio-cyanate anion and a ?(2)-bridging thio-urea mol-ecule. The Co(II) atom is coordinated in a distorted octa-hedral fashion within an N(2)S(4) donor set. The bridging thio-urea ligands link Co(II) ions into a polymeric chain extending along [100]. The mol-ecular conformation is stabilized by intra-molecular N-H?N hydrogen bonds, which generate S(6) ring motifs. The crystal packing is stabilized by N-H?S inter-actions, which connect the chains into a three-dimensional architecture.

| S-EPMC3414167 | biostudies-literature

(Thio-cyanato-κS)-tris-(thio-urea-κS)mercury(II) chloride.

Project description:In the title salt, [Hg(NCS)(CH4N2S)3]Cl, the Hg(2+) ion is coordinated in a severely distorted tetra-hedral manner by three thio-urea groups and one thio-cyanate anion through their S atoms. The S-Hg-S angles vary widely from 87.39 (5) to 128.02 (4)°. Weak intra-molecular N-H⋯S hydrogen bonds are observed, which form S(6) ring motifs. In the crystal, the ions are linked by N-H⋯N and weak N-H⋯Cl inter-actions, generating a three-dimensional network.

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catena-Poly[(E)-4,4'-(ethene-1,2-di-yl)dipyridinium [[bis-(thio-cyanato-?N)ferrate(II)]-di-?-thio-cyanato-?N:S;?S:N]].

Project description:In the title compound, {(C(12)H(12)N(2))[Fe(NCS)(4)]}(n), each Fe(II) cation is coordinated by four N-bonded and two S-bonded thio-cyanate anions in an octa-hedral coordination mode. The asymmetric unit consists of one Fe(II) cation, located on a center of inversion, as well as one protonated (E)-4,4'-(ethene-1,2-di-yl)dipyridinium dication and two thio-cyanate anions in general positions. The crystal structure consists of Fe-(NCS)(2)-Fe chains extending along the a axis, in which two further thio-cyanate anions are only terminally bonded via nitro-gen. Non-coordinating (E)-4,4'-(ethene-1,2-di-yl)dipyrid-inium cations are found between the chains.

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catena-Poly[bis-[cis-dipyrimidine-trans-dithio-cyanato-iron(II)]-di-?-pyrimidine-[trans-dithio-cyanato-iron(II)]-di-?-pyrimidine].

Project description:In the crystal structure of the title compound, [Fe(3)(NCS)(6)(C(4)H(4)N(2))(8)](n), each iron(II) cation is coordinated by four N-bonded pyrimidine ligands and two N-bonded thio-cyanate anions in a distorted octa-hedral environment. The asymmetric unit consists of one iron cation located on a crystallographic center of inversion, as well as one iron cation, three thio-cyanate anions and four pyrimidine ligands occupying general positions. The structure consists of square secondary building units (SBUs) with an Fe atom at each corner, which are ?-N(1):N(3)-bridged by the pyrimidine ligands. The SBUs are linked into infinite chains running in the c-axis direction via common opposite corners.

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catena-Poly[(E)-4,4'-(ethane-1,2-di-yl)dipyridinium [[bis-(thio-cyanato-κN)ferrate(II)]-di-μ-thio-cyanato-κN:S;κS:N]].

Project description:In the crystal structure of the title compound, {(C(12)H(14)N(2))[Fe(NCS)(4)]}(n), the iron(II) cation is coordinated by four N-bonded and two S-bonded thio-cyanate anions in a distorted octa-hedral coordination mode. The asymmetric unit consists of half an iron(II) cation and half a protonated (E)-4,4'-(ethane-1,2-di-yl)dipyridinium dication, each located on a centre of inversion. In addition, there are two thio-cyanate anions in general positions. The crystal structure consists of Fe-(NCS)(2)-Fe chains in which each iron(II) cation is additionally coordinated by two terminal N-bonded thio-cyanate anions. Non-coordinating dipyridinium dications are present between the thiocyanatoferrate(II) chains and are connected to the anions via N-H⋯N and N-H⋯S hydrogen-bond interactions.

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catena-Poly[[diaqua-bis(thio-cyanato-?N)cobalt(II)]-?-4,4'-bipyridine-?N:N'] 4,4'-bipyridine solvate].

Project description:In the title complex, {[Co(NCS)(2)(C(10)H(8)N(2))(H(2)O)(2)]·C(10)H(8)N(2)}(n), the Co(II) ion is located on an inversion centre and is coordinated by two N atoms from the two 4,4'-bipyridine ligands, two O atoms from the water mol-ecule, and two N atoms from two isothio-cyanate ions in a distorted octa-hedral environment. In the crystal, the coordinated water mol-ecules, isothio-cyanate ions and solvent 4,4'-bipyridine mol-ecules are linked by O-H?S and O-H?N hydrogen bonds into layers parallel to the ab plane.

| S-EPMC2969491 | biostudies-literature

catena-Poly[[bis-(pyridine-?N)nickel(II)]-di-?-thio-cyanato-?(2) N:S;?(2) S:N].

Project description:In the title compound, [Ni(NCS)2(C5H5N)2] n , the Ni(2+) cation is coordinated by four thio-cyanate anions (?-1,3) and two pyridine ligands within a slightly distorted octa-hedral configuration. The Ni-N bond lengths to the pyridine rings are 2.1189?(17) and 2.1241?(17)?Å, whereas those to the thiocyanate anions are 2.0299?(18) and 2.0359?Å. The Ni-S bond lengths are 2.5357?(6) and 2.5568?(6)?Å. The Ni(2+) cations are linked by N:S-bridging thio-cyanate ligands into chains extending along [010]. The Ni?Ni distance within the chains is 5.5820?(5)?Å. The asymmetric unit contains two Ni(2+) cations of which one is located on a centre of inversion, whereas the second is located on a general position.

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Poly[bis-(methanol-κO)tris-(μ-pyrimidine-κN:N')tetra-kis(thio-cyanato-κN)dinickel(II)].

Project description:In the crystal structure of the title compound, [Ni(2)(NCS)(4)(C(4)H(4)N(2))(3)(CH(3)OH)(2)](n), each nickel(II) cation is coordinated by three N-bonded pyrimidine ligands, two N-bonded thio-cyanate anions and one O-bonded methanol mol-ecule in a distorted octa-hedral environment. The asymmetric unit consists of one nickel cation, two thio-cyanate anions and one methanol mol-ecule in general positions, as well as one pyrimidine ligand located around a twofold rotation axis. The crystal structure consists of μ-N:N' pyrimidine-bridged zigzag-like nickel thio-cyanate chains; these are further linked by μ-N:N-bridging pyrimidine ligands into layers which are stacked perpendicular to the b axis. The layers are connected via weak O-H⋯S hydrogen bonding.

| S-EPMC2968860 | biostudies-literature

Crystal structure of bis-(thio-cyanato-?S)bis-(thio-urea-?S)mercury(II).

Project description:In the title complex, [Hg(NCS)2(CH4N2S)2], the Hg(II) atom is four-coordinated having an irregular four-coordinate geometry composed of four thione S atoms of two thio-cyanate groups and two thio-urea groups. The S-Hg-S angles are 172.02?(9)° for the trans-thio-cyanate S atoms and 90.14?(5)° for the cis-thio-urea S atoms. The mol-ecular structure is stabilized by an intra-molecular N-H?S hydrogen bond, which forms an S(6) ring motif. In the crystal, mol-ecules are linked by a number of N-H?N and N-H?S hydrogen bonds, forming a three-dimensional framework. The first report of the crystal structure of this compound appeared in 1966 [Korczynski (1966 ?). Rocz. Chem. 40, 547-569] with an extremely high R factor of 17.2%, and no mention of how the data were collected.

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catena-Poly[[(2-{[2-(dimethyl-ammonio)-eth-yl]imino-meth-yl}pyridine-?(2)N,N')bis-(thio-cyanato-?N)manganese(II)]-?-thio-cyanato-?(2)N:S].

Project description:In the title one-dimensional coordination polymer, [Mn(NCS)(3)(C(10)H(16)N(3))](n), the Mn(II) atom is coordinated by an N,N'-bidentate Schiff base and four thio-cyanate ligands in a distorted octa-hedral N(5)S geometry. Bridging thio-cyanate ligands inter-connect adjacent [Mn(NCS)(2)(C(10)H(16)N(3))] units, giving rise to helical chains extending along the b axis. The chains are further linked through N-H?S hydrogen bonds, leading to a three-dimensional supra-molecular network.

| S-EPMC3414171 | biostudies-literature

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