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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-[dimethyl-tin(IV)].

ABSTRACT: 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.

SUBMITTER: Najafi E

PROVIDER: S-EPMC3051439 | 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-[dimethyl-tin(IV)].

Najafi Ezzatollah E Amini Mostafa M MM Ng Seik Weng SW

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

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] ...[more]

PMID: 21522897

Similar Datasets

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)].

Project description: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.

| S-EPMC3051783 | biostudies-literature

Di-μ(3)-oxido-bis-(μ(2)-quinaldato-κO:O)-bis-(quinaldato-κN,O)tetra-kis[di-n-butyl-tin(IV)].

Project description:The title tetra-nuclear Sn(IV) complex, [Sn(4)(C(4)H(9))(8)(C(10)H(6)NO(2))(4)O(2)], is a cluster built up by inversion symmetry around the central Sn(2)O(2) ring. The coordination geometries of the Sn atoms involved can be classified into two types: the five-coordinate Sn atoms of the central Sn(2)O(2) core have a trigonal-bipyramidal geometry, with axial positions occupied by a μ(3)-O atom and a μ(2)-O atom belonging to the nonchelating quinaldate ligand. The peripheral Sn atoms are six-coordinate, with a distorted octa-hedral geometry. The methyl group of an n-butyl ligand is disordered over two sites, with occupancies of 0.643 (12) and 0.357 (12).

| S-EPMC2915128 | biostudies-literature

Dichloridoocta-kis(4-chloro-benz-yl)di-μ(2)-hydroxido-di-μ(3)-oxido-tetra-tin(IV) toluene solvate.

Project description:The title stannoxane is a toluene-solvated dimer, [Sn(4)(C(7)H(6)Cl)(8)Cl(2)O(2)(OH)(2)]·C(7)H(8), the tetra-nuclear mol-ecule lying across a center of inversion. The Sn(4)O(4) framework, whose two independent Sn atoms show trigonal bipyramidal coordination, is essentially planar (r.m.s deviation = 0.02 Å). One of the two chloro-benzyl groups of the chloridodiorganyltin unit is disordered over two positions with the chloro-phenyl residue refined over two positions in a 50:50 ratio. The solvent mol-ecule is disordered about a twofold axis.

| S-EPMC2977629 | biostudies-literature

Tetra-μ(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 μ(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 μ(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

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

(2,2'-Bipyridine-κN,N'){[(3-meth-oxy-2-oxidobenzyl-idene-κO)hydrazono]methano-lato-κN,O}dimethyl-tin(IV).

Project description:In the crystal structure of the title compound, [Sn(CH(3))(2)(C(9)H(8)N(2)O(3))(C(10)H(8)N(2))], the Sn atom exhibits a penta-gonal bipyramidal coordination geometry defined by two C, three N and two O atoms. The bond distances for Sn-C, Sn-N and Sn-O are in the ranges 2.097 (3)-2.098 (3), 2.298 (2)-2.623 (2) and 2.157 (2)-2.266 (2) Å, respectively. The mol-ecular structure of the monomeric compound is stabilized by three intra-molecular C-H⋯O hydrogen bonds, all involving bipyridine C-H groups.

| S-EPMC2961040 | biostudies-literature

Dichloridoocta-kis(2-chloro-benz-yl)di-?(2)-hydroxido-di-?(3)-oxido-tetra-tin(IV).

Project description:The title tetra-nuclear Sn(IV) compound, [Sn(4)(C(7)H(6)Cl)(8)Cl(2)O(2)(OH)(2)], has site symmetry . Two O(2-) and two OH(-) anions bridge four Sn(IV) cations to form the tetra-nuclear compound. The two independent Sn(IV) cations assume SnO(3)C(2) and SnO(2)C(2)Cl distorted trigonal-bipyramidal coordination geometries. Intra-molecular O-H?Cl hydrogen bonding is present in the structure. One Cl atom of a chloro-benzyl ligand is disordered over two sites with an occupancy ratio of 0.693?(2):0.307?(2).

| S-EPMC2971409 | biostudies-literature

cyclo-Hexa-μ(2)-diphenyl-acetato-κO:O'-hexa-μ(3)-oxido-hexa-kis[phenyl-tin(IV)].

Project description:In the cyclo-hexa-meric centrosymmetric title compound, [Sn(6)(C(6)H(5))(6)(C(14)H(11)O(2))(6)O(6)], each bridging oxide O atom is connected to three Sn atoms and each carboxyl-ate group bridges a pair of Sn atoms so that the three independent Sn atoms all adopt SnCO(5) distorted octa-hedral geometries, resulting in a drum-shaped Sn(6)O(6) core.

| S-EPMC2960123 | 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

Di-?2-ethano-lato-octa-methyl-bis-(?-4-methyl-5-sulfanyl-idene-4,5-dihydro-1H-1,2,4-triazol-1-ido-?(2) N (1):N (2))di-?3-oxido-tetra-tin(IV).

Project description:The tetra-nuclear title compound, [Sn4(CH3)8(C2H5O)2O2(C3H4N3S)2], lies about a center of inversion; the mol-ecule features a three-rung-staircase Sn4O4 core in which two Sn(IV) atoms are bridged by the 4-methyl-5-sulfanyl-idene-4,5-dihydro-1H-1,2,4-triazol-1-ide group. The negatively charged N atom of the group binds to the terminal Sn(IV) atom at a shorter distance [Sn-N = 2.240?(3)?Å] compared with the neutral N atom that binds to the central Sn(IV) atom [Sn? N = 2.641?(3)?Å]. The terminal Sn(IV) atom is five-coordinate in a cis-C2SnNO2 trigonal-bipyramidal geometry [C-Sn-C = 127.5?(2)°], whereas the central Sn(IV) atom is six-coordinate in a C2SnNO3 skew-trazepoidal bipyramidal geometry [C-Sn-C = 145.0?(2)°].

| S-EPMC3588786 | biostudies-literature

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