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Monoclinic polymorph of chlorido-(dimethyl sulfoxide-κO)tri-phenyl-tin(IV).

ABSTRACT: The crystal structure of the title tin complex, [Sn(C6H5)3Cl(C2H6OS)], (I), has been reported with one mol-ecule in the asymmetric unit in an ortho-rhom-bic cell [Kumar et al. (2009 ▸). Acta Cryst. E65, m1602-m1603]. While using SnPh3Cl as a starting material for a reaction for which the products were recrystallized over a very long time (six months) from dimethyl sulfoxide (DMSO), a new polymorph was obtained for (I), with two independent mol-ecules in the asymmetric unit of a monoclinic cell. The coordination geometry of the Sn centres remains unchanged, with the Cl- ion and the DMSO mol-ecule in the apical positions and the phenyl C atoms in the equatorial positions of a trigonal bipyramid. The main difference between the polymorphs is the relative orientation of the phenyl rings in the equatorial plane, reflecting a degree of free rotation of these groups about their Sn-C bonds. In the crystal, mol-ecules are linked into [010] chains mediated by weak C-H⋯O inter-actions.

SUBMITTER: Pouye SF 

PROVIDER: S-EPMC5956328 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Monoclinic polymorph of chlorido-(dimethyl sulfoxide-κ<i>O</i>)tri-phenyl-tin(IV).

Pouye Serigne Fallou SF   Cissé Ibrahima I   Diop Libasse L   Ríos-Merino Francisco Javier FJ   Bernès Sylvain S  

Acta crystallographica. Section E, Crystallographic communications 20180112 Pt 2

The crystal structure of the title tin complex, [Sn(C<sub>6</sub>H<sub>5</sub>)<sub>3</sub>Cl(C<sub>2</sub>H<sub>6</sub>OS)], (I), has been reported with one mol-ecule in the asymmetric unit in an ortho-rhom-bic cell [Kumar <i>et al.</i> (2009 ▸). <i>Acta Cryst.</i> E<b>65</b>, m1602-m1603]. While using SnPh<sub>3</sub>Cl as a starting material for a reaction for which the products were recrystallized over a very long time (six months) from dimethyl sulfoxide (DMSO), a new polymorph was obtained  ...[more]

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