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Di-?(2)-methano-lato-bis-(?-4-methyl-5-sulfanyl-idene-4,5-dihydro-1H-1,2,4-triazolido-?N:N)di-?(3)-oxido-tetra-kis-[dibutyltin(IV)].

ABSTRACT: The asymmetric unit of the title distannoxane, [Sn(4)(C(4)H(9))(8)(C(3)H(4)N(3)S)(2)(CH(3)O)(2)O(2)], contains two mol-ecules, each of which lies about an individual center of inversion. The tetra-nuclear mol-ecule features a three-rung-staircase Sn(4)O(4) core in which two independent Sn(IV) atoms are bridged by the triazolide group. The negatively charged N atom of the triazolide group binds to the terminal Sn atom at a shorter distance [Sn-N = 2.262?(3), 2.254?(3)?Å] compared with the neutral N atom that binds to the central Sn atom[SnN = 2.617?(4); 2.830?(3)?Å]. The oxide O atom is three-coordinate whereas the methano-late O atom is two-coordinate. The terminal Sn atom is five-coordinate in a cis-C(3)SnNO trigonal-bipyramidal environment, whereas the central Sn atom is six-coordinate in a C(2)SnNO(3) skew-trapezoidal-bipyramidal geometry.

SUBMITTER: Najafi E

PROVIDER: S-EPMC3051783 | biostudies-literature | 2011 Jan

REPOSITORIES: biostudies-literature

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Di-μ(2)-methano-lato-bis-(μ-4-methyl-5-sulfanyl-idene-4,5-dihydro-1H-1,2,4-triazolido-κN:N)di-μ(3)-oxido-tetra-kis-[dibutyltin(IV)].

Najafi Ezzatollah E Amini Mostafa M MM Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20110122 Pt 2

The asymmetric unit of the title distannoxane, [Sn(4)(C(4)H(9))(8)(C(3)H(4)N(3)S)(2)(CH(3)O)(2)O(2)], contains two mol-ecules, each of which lies about an individual center of inversion. The tetra-nuclear mol-ecule features a three-rung-staircase Sn(4)O(4) core in which two independent Sn(IV) atoms are bridged by the triazolide group. The negatively charged N atom of the triazolide group binds to the terminal Sn atom at a shorter distance [Sn-N = 2.262 (3), 2.254 (3) Å] compared with the neutral ...[more]

PMID: 21522898

Similar Datasets

Di-?(2)-methano-lato-bis-(?-4-methyl-5-sulfanyl-idene-4,5-dihydro-1H-1,2,4-triazolido-?N:N)di-?(3)-oxido-tetra-kis-[dimethyl-tin(IV)].

Project description:The title distannoxane, [Sn(4)(CH(3))(8)(C(3)H(4)N(3)S)(2)(CH(3)O)(2)O(2)], lies about a center of inversion; the tetra-nuclear mol-ecule features a three-rung-staircase Sn(4)O(4) core in which the two crystallographically independent Sn(IV) atoms are bridged by the triazolide group. The negatively charged N atom of the triazolide group binds to the terminal Sn atom at a shorter distance [Sn-N = 2.239?(2)?Å] compared with the neutral N atom that binds to the central Sn atom [Sn? N = 2.757?(3)?Å]. The oxide O atom is three-coordinate whereas the methano-late O atom is two-coordinate. The terminal Sn atom is five-coordinate in a cis-C(3)SnNO trigonal-bipyramidal environment, whereas the central Sn atom is six-coordinate in a C(2)SnNO(3) skew-trapezoidal-bipyramidal geometry.

| S-EPMC3051439 | biostudies-literature

Hexa-μ(2)-chlorido-μ(4)-oxido-tetra-kis-[(3-methyl-5-phenyl-1H-pyrazole-κN)copper(II)].

Project description:The title compound, [Cu(4)Cl(6)O(C(10)H(10)N(2))(4)], contains four Cu(II) atoms which are bridged by six chloride anions. The central O atom is located on a crystallographic fourfold roto-inversion axis. Each Cu(II) atom is coordinated by an N atom of a neutral monodentate 3-methyl-5-phenyl-pyrazole ligand, three Cl(-) anions, and one O(2-) anion. The geometry at each Cu(II) atom is distorted trigonal-bipyramidal, with the three Cl(-) ions in the equatorial plane and the N and O atoms in the axial positions.

| S-EPMC3051691 | biostudies-literature

Tetrakis(mu2-4-aminobenzoato)di-mu3-oxido-tetrakis[dibutyltin(IV)].

Project description:The molecule of the title compound, [Sn(4)(C(4)H(9))(8)(C(7)H(6)NO(2))(4)O(2)], lies about an inversion centre and is a tetranuclear bis(tetrabutyldicarboxylatodistannoxane) complex containing a planar Sn(4)O(2) core in which two mu(3)-oxide O atoms connect an Sn(2)O(2) ring to two exocyclic Sn atoms. Each Sn atom has a highly distorted octahedral coordination. In the molecule, the carboxylate groups of two aminobenzoate ligands bridge the central and exocyclic Sn atoms, while two further aminobenzoate ligands have highly asymmetric bidentate chelation to the exocyclic Sn atoms plus long O...Sn interactions with the central Sn atoms. Each Sn atom is also coordinated by two pendant n-butyl ligands, which extend roughly perpendicular to the plane of the Sn(4)O(10) core. Only one of the four unique hydrogen-bond donor sites is involved in a classic N-H...O hydrogen bond, and the resulting supramolecular hydrogen-bonded structure is an extended two-dimensional network which lies parallel to the (100) plane and consists of a checkerboard pattern of four-connected molecular cores acting as nodes. The amine groups not involved in the hydrogen-bonding interactions have significant N-H...pi interactions with neighbouring aminobenzene rings.

| S-EPMC2855585 | biostudies-literature

(Methanol-κO)(methano-lato-κO)oxido{N'-[1-(2-oxidonaphthalen-1-yl-κO)ethyl-idene]nicotinohydrazidato-κN',O}vanadium(V).

Project description:The title oxovanadium(V) complex, [V(C(18)H(13)N(3)O(2))(CH(3)O)O(CH(3)OH)], was obtained by the reaction of 1-(2-hy-droxy-naphthalen-1-yl)ethanone, nicotinohydrazide and vanadyl sulfate in methanol. The V(V) atom is six-coordinated by the N,N,O-tridentate Schiff base ligand, one methano-late O atom, one methanol O atom and one oxide O atom, forming a distorted octa-hedral geometry. The methanol O atom lies trans to the V=O group. The dihedral angle between the pyridine ring and the naphthalene ring system is 31.52 (10)°. In the crystal, inversion dimers linked by pairs of O-H⋯N hydrogen bonds occur.

| S-EPMC3246913 | biostudies-literature

Tetra-?(3)-methano-lato-tetra-kis-[(2-formyl-6-meth-oxy-phenolato)methano-lnickel(II)].

Project description:The molecule of the title compound, [Ni(4)(CH(3)O)(4)(C(8)H(7)O(3))(4)(CH(3)OH)(4)], has S(4) symmetry. Each of the four Ni(II) atoms occupies every other corner of a cube, with the alternate corners occupied by ?(3)-methano-late bridging groups linking to three Ni(II) atoms. Each Ni(II) atom is in an O(6) octa-hedral coordination environment formed by three O atoms from three ?(3)-methano-late groups, one from methanol, and two others from a bidentate 2-formyl-6-meth-oxy-phenolate ligand. The Ni-O bond distances range from 2.0020?(14) to 2.0938?(14)?Å, the cis bond angles range from 81.74?(6) to 97.63°, and the trans bond angles range from 168.76?(5) to 175.22?(6)°. There are bifurcated hydrogen-bonding inter-actions between the coordinated methanol OH groups and both the phenolic and meth-oxy O atoms of an adjoining 2-formyl-6-meth-oxy-phenolate moiety. In addition, there are weak inter-molecular C-H?O inter-actions involving the meth-oxy O atoms.

| S-EPMC3009121 | biostudies-literature

Crystal structure of tetrakis-(acetyl-acetonato)di-chloridodi-μ3-methano-lato-tetra-μ2-methano-lato-tetra-iron(III).

Project description:The title complex, [Fe4(C5H7O2)4(CH3O)6Cl2] or [Fe4(acac)4(μ2-OMe)4(μ3-OMe)2Cl2] (acac = acetyl-acetonate), crystallizes in the ortho-rhom-bic Pbca space group with one half of the mol-ecule per asymmetric unit, the other half being completed by inversion symmetry. The core structure consists of a face-sharing double pseudo-cubane entity with two opposite corners missing. Weak C-H⋯Cl inter-molecular inter-actions result in a two-dimensional layered structure parallel to the ac plane.

| S-EPMC4571370 | biostudies-literature

Tetra-kis(μ-2-anilinobenzoato)bis-[methano-lcopper(II)](Cu-Cu).

Project description:The title compound, [Cu(2)(C(13)H(10)NO(2))(4)(CH(4)O)(2)], has been prepared by the reaction of 2-anilinobenzoic acid, HL, with copper(II) nitrate in methanol. This dinuclear complex is arranged around an inversion center. Each Cu atom displays a distorted trigonal-pyramidal coordination with four O atoms from the four ligands L and one axial O atom of the methanol solvent mol-ecule. Each carboxyl-ate group of the ligands L links two Cu atoms, building a dinuclear complex with a Cu-Cu distance of 2.5774 (10) Å. There are intra-molecular N-H⋯O hydrogen bonds, and the H atom of the methanol mol-ecule is involved in weak bifurcated hydrogen-bonding inter-actions with two carboxyl-ate O atoms of related mol-ecules, forming a chain developing parallel to the a axis.

| S-EPMC2960117 | biostudies-literature

Di-aqua-bis-[5-(pyrazin-2-yl-κN (1))-3-(pyridin-3-yl)-1,2,4-triazolido-κN (1)]zinc.

Project description:In the title compound, [Zn(C11H7N6)2(H2O)2], the Zn(II) cation, located on an inversion center, is N,N'-chelated by two 5-(pyrazin-2-yl)-3-(pyridin-3-yl)-1,2,4-triazolide anions and is further coordinated by two water mol-ecules in a distorted N4O2 octa-hedral geometry. In the anionic ligand, the pyrazine and pyridine rings are twisted with respect to the central triazole ring by 5.77 (10) and 11.54 (10)°, respectively. In the crystal, classical O-H⋯N and weak C-H⋯O hydrogen bonds and π-π stacking inter-actions between aromatic rings [the centroid-centroid distances between triazole and pyrazine rings, and between triazole and pyridine rings are 3.623 (2) and 3.852 (2) Å, respectively] connect the mol-ecules into a three-dimensional supra-molecular architecture.

| S-EPMC3998535 | biostudies-literature

Dibromidodi-μ-hydroxido-di-μ(3)-oxido-octa-phenyl-tetra-tin(IV).

Project description:In the centrosymmetric title compound, [Sn(4)Br(2)(C(6)H(5))(8)O(2)(OH)(2)], the four tin(IV) atoms are bridged by the hydroxo and oxo ligands, forming a ladder-like array of three edge-connected Sn(2)O(2) squares. The two independent tin atoms show distorted trigonal-bipyramidal SnC(2)O(3) and SnC(2)O(2)Br coordination geometries.

| S-EPMC2980054 | biostudies-literature

A monoclinic polymorph of di-μ-oxido-bis-({2-[2-(methyl-amino)ethyl-imino-methyl]phenolato-κN,N',O}oxidovanadium(V)).

Project description:A new monoclinic polymorph of the title compound, [V(2)(C(10)H(13)N(2)O)(2)O(4)], which is a centrosymmetric dimer, crystallizes in space group P2(1)/c, whereas the previously known polymorph crystallizes in the ortho-rhom-bic space group Pbca [Mokry & Carrano (1993 ▶). Inorg. Chem.32, 6119-6121]. Each V(V) atom is six-coordinated by one oxide group, two N atoms and one O atom from the Schiff base ligand, and by two additional bridging O atoms. The two methyl-ene groups are each disordered over two sites, with occupancy factors of 0.776 (14) and 0.224 (14). In the crystal structure, there are C-H⋯O hydrogen bonds and C-H⋯π inter-actions between the dimers.

| S-EPMC2959960 | biostudies-literature

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