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Di-?-thio-cyanato-bis-[bis-(tri-p-tolyl-phosphine)silver(I)] 0.35-hydrate.

ABSTRACT: In the binuclear centrosymmetric title compound, [Ag(2)(NCS)(2)(C(21)H(21)P)(4)]·0.35H(2)O, a pseudo-polymorph of [Ag(2)(NCS)(2)(C(21)H(21)P)(4)]·2CH(3)CN, the Ag atom is coordinated by two phosphine ligands and two bridging thio-cyanate ligands in a distorted tetra-hedral configuration. The crystal structure exhibits inter-molecular C-H?? inter-actions.

SUBMITTER: Khumalo NM

PROVIDER: S-EPMC2984055 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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Di-μ-thio-cyanato-bis-[bis-(tri-p-tolyl-phosphine)silver(I)] 0.35-hydrate.

Khumalo Nozipho M NM Meijboom Reinout R Muller Alfred A Omondi Bernard B

Acta crystallographica. Section E, Structure reports online 20100327 Pt 4

In the binuclear centrosymmetric title compound, [Ag(2)(NCS)(2)(C(21)H(21)P)(4)]·0.35H(2)O, a pseudo-polymorph of [Ag(2)(NCS)(2)(C(21)H(21)P)(4)]·2CH(3)CN, the Ag atom is coordinated by two phosphine ligands and two bridging thio-cyanate ligands in a distorted tetra-hedral configuration. The crystal structure exhibits inter-molecular C-H⋯π inter-actions. ...[more]

PMID: 21580539

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Tri-p-tolyl-phosphine.

Project description:In the title compound C(21)H(21)P, the P atom is situated on a crystallographic threefold rotatory-inversion axis, resulting in threefold rotation symmetry of the title compound. The dihedral angles between the symmetry-related benzene rings are 87.40?(18)°.

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Di-?-thio-cyanato-bis-{[1,2-bis-(diiso-propyl-phosphan-yl)-1,2-dicarba-closo-dodeca-borane]silver(I)}.

Project description:The title compound, [Ag(2)(NCS)(2)(C(14)H(38)B(10)P(2))(2)], was synthesized by the reaction of 1,2-bis-(diiso-propyl-phos-phan-yl)-1,2-dicarba-closo-dodeca-borane with AgSCN. The diisopropyl-phosphanyl-closo-carborane ligand is coordinated in a bidentate manner to the Ag(I) atom through the two P atoms. The coordination of the Ag(I) atom is distorted tetra-hedral, in which two vertices are formed by the P atoms of the chelating diphosphine ligand, and the other two are occupied by the S and N atoms of the two bridging thio-cyanate anions, leading to a centrosymmetric binuclear complex. The distance between the two C atoms in the carborane skeleton is 1.851?(6)?Å.

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Di-?-thio-cyanato-?N:S;?S:N-bis-[bis-(2-methyl-1H-benzimidazole-?N)(thio-cyanato-?N)cadmium(II)].

Project description:The title compound, [Cd(2)(NCS)(4)(C(8)H(8)N(2))(4)], is a centrosymmetric dinuclear cadmium(II) complex in which each two metal ions are linked by a pair of thio-cyanate N:S-bridges. Two 2-methyl-benzimidazole N-atom donors and one terminal thio-cyanate N atom complete a highly distorted square-pyramidal geometry around the Cd atom. In the crystal structure, two N-H?S hydrogen-bonding inter-actions occur, resulting in a three-dimensional polymeric structure. The apical 2-methyl-benzimidazole ring and its symmetry-related counterpart are arranged in an anti-parallel manner with a centroid-centroid separation of 3.6050?(14)?Å, indicative of a ?-? inter-action.

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Poly[bis(μ(3)-thio-cyanato-κN:S:S')(μ(2)-thio-cyanato-κN:S)(4'-p-tolyl-2,2':6',2''-terpyridine-κN,N',N'')cadmium(II)silver(I)].

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catena-Poly[silver(I)-bis-[μ-bis-(diphenyl-phosphino)methane-κP:P']-μ-thio-cyanato-κS:S-silver(I)-μ-thio-cyanato-κS:N].

Project description:The title compound, [Ag(NCS)(C(25)H(22)P(2))](n), contains two Ag(+) ions, two thio-cyanate ions and two bis-(diphenyl-phosphino)methane (dppm) ligands in the asymmetric unit. One of the thiocyanate ions bridges the two Ag(+) ions in a μ(2)-mode from its S atom and the two dppm ligands bridge the silver ions in a μ(1),μ(1) mode. The remaining SCN(-) ion bridges the binuclear units via its N and S atoms, generating a one-dimensional polymer propagating in [01]: the resulting AgP(2)SN and AgP(2)S(2) coordination geometries could be described as distorted tetra-hedral.

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[(Z)-N-Isopropyl-O-methyl-thio-carbamato-?S](tri-p-tolyl-phosphine-?P)gold(I).

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Di-?-hydroxido-bis-[dimeth-yl(thio-cyanato-?N)tin(IV)].

Project description:The Sn(IV) atom in the centrosymmetric title complex, [Sn2(CH3)4(NCS)2(OH)2], adopts a distorted trigonal-bipyramidal coordination environment defined by two methyl C atoms and one bridging hydroxide group in the equatorial plane while the other bridging hydroxide group and the N atom of the thio-cyanate anion are in the apical >positions. The dinuclear species are linked through O-H?S and C-H? S hydrogen-bonding inter-actions into 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.

| S-EPMC2983361 | biostudies-literature

Bis(di-2-pyridyl-amine-?N,N')bis-(thio-cyanato-?N)nickel(II).

Project description:The mononuclear neutral title complex, [Ni(NCS)(2)(C(10)H(9)N(3))(2)], shows a cis-octa-hedral geometry around the Ni(II) ion, formed by two chelating di-2-pyridyl-amine (Hdpa) ligands and two thio-cyanate anions. Both amine H atoms are involved in N-H?S hydrogen bonding, resulting in the formation of layers of inter-linked mol-ecules parallel to the ab plane, which are further held together by weak ?-? inter-actions between adjacent complexes, involving one ring of each dipyridyl-amine unit [centroid-centroid distance = 3.777?(4)?Å], forming a three-dimensional assembly.

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