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catena-Poly­[[tri­methyl­tin(IV)]-μ-(2,5-dioxo-2,5-di­hydro-1H-pyrrol-1-yl)-3-phenyl­propionato-κ2O:O′]

✍ Scribed by Parvez, Masood ;Ahmed, Sajjad ;Ali, Saqib ;Bhatti, Moazzam H. ;Mazhar, Muhammad

Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
211 KB
Volume
60
Category
Article
ISSN
1600-5368

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catena-Poly­[[tri­methyl­tin(IV)]-μ-2-(4
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The title compound, [Sn(CH 3 ) 3 (C 16 H 12 ClO 3 )] n , forms polymeric chains incorporating both O atoms of the propenoate ligand. The coordination geometry around the Sn atom is distorted trigonal bipyramidal. The three methyl C atoms occupy the equatorial positions with almost identical SnÐC dis

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Single-crystal X-ray study T = 298 K Mean '(C±C) = 0.004 A Ê R factor = 0.055 wR factor = 0.165 Data-to-parameter ratio = 13.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.006 A Ê Disorder in main residue R factor = 0.037 wR factor = 0.094 Data-to-parameter ratio = 17.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

catena-Poly[[dichloridodimethyl­tin(IV)]
catena-Poly[[dichloridodimethyl­tin(IV)]-μ-5-methyl­pyrazine-2-carboxyl­ato-κ3O:O′,N-[dimethyl­tin(IV)]]-μ-5-methyl­pyrazine-2-carboxyl­ato-κ3O,N:O′]
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The title compound, [Sn~2~Cl~2~(CH~3~)~4~(C~6~H~5~N~2~O~2~)~2~], forms infinite one-dimensional zigzag chains that propagate in a helical fashion along the __c__ axis __via__ an Sn—O=C—O—Sn—O bridge which involves the carboxylate groups of two methylpyrazinecarboxylate ligands. These display both ch