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[?-1,2,3,4-Tetra-kis(pyridin-4-yl)butane-?(2) N (1):N (4)]bis-[trimeth-yl(thio-cyanato-?N)tin(IV)].

ABSTRACT: In the title compound, [Sn2(CH3)6(NCS)2(C24H22N4)], the 1,2,3,4-tetra-kis-(pyridin-4-yl)butane ligand uses the pyridine N atoms at the ends of the butyl chain to coordinate to two trimethylthiocyanatotin(IV) units, forming a dinuclear structure. The Sn(IV) atom in the mol-ecule shows a distorted trans-trigonal-bipyramidal coordination with the methyl groups in equatorial positions. The mol-ecule lies on a center of inversion, with the mid-point of the butyl chain coinciding with this symmetry element. In the crystal, weak C-H?? inter-actions occur between pyridine rings of adjacent mol-ecules.

SUBMITTER: Najafi E

PROVIDER: S-EPMC3588790 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis[tetra-kis-(pyridin-2-yl)methane-κ(3) N,N',N'']cobalt(II) tetra-kis-(thio-cyanato-κN)cobaltate(II) methanol monosolvate.

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Pyridinium bis-(pyridine-κN)tetra-kis-(thio-cyanato-κN)ferrate(III).

Project description:In the title compound, (C5H6N)[Fe(NCS)4(C5H5N)2], the Fe(III) ion is coordinated by four thio-cyanate N atoms and two pyridine N atoms in a trans arrangement, forming an FeN6 polyhedron with a slightly distorted octa-hedral geometry. Charge balance is achieved by one pyridinium cation bound to the complex anion via N-H⋯S hydrogen bonding. The asymmetric unit consists of one Fe(III) cation, four thio-cyanate anions, two coordinated pyridine mol-ecules and one pyridinium cation. The structure exhibits π-π inter-actions between pyridine rings [centroid-centroid distances = 3.7267 (2), 3.7811 (2) and 3.8924 (2) Å]. The N atom and a neighboring C atom of the pyridinium cation are statistically disordered with an occupancy ratio of 0.58 (2):0.42 (2).

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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.

| S-EPMC3588706 | biostudies-literature

Tetra-kis(pyridazine-?N)bis-(thio-cyanato-?N)nickel(II) pyridazine disolvate.

Project description:The reaction of nickel(II) thio-cyanate with an excess of pyridazine leads to single crystals of the title compound, [Ni(NCS)(2)(C(4)H(4)N(2))(4)]·2C(4)H(4)N(2). The Ni(II) cations are coordinated by two terminal N-bonded thio-cyanate anions (trans) and four pyridazine ligands in a slightly distorted octa-hedral geometry. The discrete complexes are arranged into layers parallel to the ab plane which are separated by additional non-coordinated pyridazine ligands.

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Tetra-kis(4-methyl-2-thien-yl)tin(IV).

Project description:The mol-ecule of the title compound, [Sn(C(5)H(5)S)(4)], lies on a special position of site symmetry. The Sn(IV) atom shows a slightly distorted tetra-hedral coordination.

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Project description:The title compound, (C(16)H(36)N)(3)[Th(NCS)(4)(NO(3))(3)], was obtained from the reaction of Th(NO(3))(4)·5H(2)O with (Bu(4)N)(NCS). The Th(IV) atom is in a ten-coordinate environment of irregular geometry, being bound to the N atoms of the four thio-cyanate ions and to three bidentate nitrate ions. The average Th-N and Th-O bond lengths are 2.481?(10) and 2.57?(3)?Å, respectively.

| S-EPMC3100005 | biostudies-literature

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Project description:The title complex, [Li4(C17H14N4)2(C4H8O)4], bears a novel tetra-dentate di-amido ligand. In the tetra-nuclear centrosymmetric complex mol-ecule, the metal atoms exhibit two kinds of coordination modes. The middle two Li(+) cations are coord-inated by four N (ligand) and one O (tetra-hydro-furan, THF) atoms, resulting in a distorted square-pyramidal geometry. The outer two Li(+) cations are in distorted tetra-hedral environments consisting of three N (ligand) and one O (THF) atoms. The Li-N bond lengths vary from 2.020 (7) to 2.441 (6)Å.

| S-EPMC3885009 | biostudies-literature

Diacridinium tetra-kis(thio-cyanato-?S)platinate(II).

Project description:The asymmetric unit of the title compound, (C(13)H(10)N)(2)[Pt(NCS)(4)], contains a protonated acridine molecule and one half of a [Pt(NCS)(4)](2-) anion. In the complex anion, the Pt(II) ion is located on an inversion centre and is four-coordinated in a slightly distorted square-planar environment by four S atoms from four thio-cyanate ligands. The compound displays numerous inter-molecular ?-? inter-actions between six-membered rings, with a shortest centroid-centroid distance of 3.682?(3)?Å. The component ions inter-act by means of inter-molecular N-H?N hydrogen bonds.

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Tetra-kis(1-allyl-1H-imidazole-?N)bis-(thio-cyanato-?N)manganese(II).

Project description:The structure of the title compound, [Mn(NCS)(2)(C(6)H(8)N(2))(4)], consists of isolated mol-ecules of [Mn(NCS)(2)(Aim)(4)] (Aim = 1-allyl-imidazole), which contain a compressed octa-hedral MnN(6) chromophore (site symmetry [Formula: see text]). The NCS(-) anions are trans and four N atoms from the Aim ligands define the equatorial plane. The mean Mn-N(Aim) and Mn-N(NCS) distances are 2.270 and 2.229?Å, respectively. Weak C-H?N inter-actions contribute to the crystal packing stability.

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Tetra-kis(1-ethyl-1H-imidazole-?N)bis-(thio-cyanato-?N)cadmium(II).

Project description:The structure of the title compound, [Cd(NCS)(2)(C(5)H(8)N(2))(4)], consists of isolated mol-ecules of [Cd(NCS)(2)(Eim)(4)] (Eim = 1-ethyl-imidazole), which contain a compressed octa-hedral CdN(6) chromophore. The NCS(-) anions are trans and four N atoms from the 1-ethyl-imidazole ligands define the equatorial plane. The mean Cd-N(Eim) and Cd-N(NCS) distances are 2.334?(4) and 2.379?(5)?Å, respectively. Weak C-H?N inter-actions contribute to the crystal packing stability.

| S-EPMC2983676 | biostudies-literature

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