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Triclinic modification of di-n-butyl-bis(2-hydroxy-benzoato-?O,O)tin(IV).

ABSTRACT: The Sn atom in the title compound, [Sn(C(4)H(9))(2)(C(7)H(5)O(3))(2)], is chelated by the carboxyl-ate groups of 2-hydroxy-benzoate liagnds, and exists in a six-coordinate skew-trapezoidal bipyramidal coordination geometry [C-Sn-C = 140.1?(3)°].

SUBMITTER: Reisi R

PROVIDER: S-EPMC2960726 | biostudies-literature | 2008 Aug

REPOSITORIES: biostudies-literature

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Triclinic modification of di-n-butyl-bis(2-hydroxy-benzoato-κO,O)tin(IV).

Reisi Reza R Misran Misni M Lo Kong Mun KM Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20080820 Pt 9

The Sn atom in the title compound, [Sn(C(4)H(9))(2)(C(7)H(5)O(3))(2)], is chelated by the carboxyl-ate groups of 2-hydroxy-benzoate liagnds, and exists in a six-coordinate skew-trapezoidal bipyramidal coordination geometry [C-Sn-C = 140.1 (3)°]. ...[more]

PMID: 21201627

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Octa-butyl-bis-(?(2)-2-chloro-5-nitro-benzoato)bis-(2-chloro-5-nitro-benzoato)di-?(3)-oxido-tetra-tin(IV).

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Crystal structure of bis-(benzoato-?O)di-butyl-tin(IV), nBu2Sn(bzo)2.

Project description:The title compound, [Sn(C4H9)2(C6H5COO)2], was synthesized in order to study the inter-action between di-n-butyl-tin(IV) oxide and some carb-oxy-lic acids. Di-n-butyl-tin(IV) dibenzoate, nBu2Sn(obz)2, exhibits the same structural features as other diorganotin(IV) dibenzoates characterized by an unsymmetrical bidentate bonding mode [?(Sn-O) ? 0.4?Å] of the two benzoate groups to tin. In a first approximation, the coordination sphere at tin resulting from the two stronger bonded O atoms [2.1227?(17) and 2.1405?(16)?Å] and the two ?-C atoms of the n-butyl groups [2.125?(3) and 2.129?(2)?Å] is compressed to a tetra-gonal disphenoid [?(C-Sn-C) = 148.2?(1)° and ?(O-Sn-O) = 82.01?(6)°]. This coordination sphere is expanded by the less strongly bonded two O atoms [2.507?(2) and 2.485?(2)?Å] to a substanti-ally distorted octa-hedron and by a weak inter-molecular Sn?O inter-action [2.943?(2)?Å] to a penta-gonal bipyramid with the formation of centrosymmetric dimers. The unbranched butyl groups adopt two different conformations: anti-gauche [torsion angles: 166.0?(2)-63.9?(4)°] and gauche-gauche [65.0?(3)-56.3?(3)°]. Inter-molecular inter-actions between the dimers are restricted to O?H-C contacts (2.64?Å) and van der Waals inter-actions.

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Monoclinic modification of di-n-butyl-dichlorido(1,10-phenanthroline-?N,N')tin(IV).

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Project description:The dithio-carbamate anions in the title compound, [Sn(C(4)H(9))(2)(C(5)H(10)NS(2))(2)], chelate to the Sn(IV) atom, which is six-coordinated in a skew-trapezoidal-bipyramidal geometry. The mol-ecule lies across a twofold rotation axis. The crystal studied was a non-merohedral twin, the ratio of the twin components being 0.82 (1):0.18 (1).

| S-EPMC2983955 | biostudies-literature

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