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Bis(μ-pyridine-2,6-dicarboxyl­ato)-κ4O,N,O′:O′;κ4O:O,N,O′-bis[aqua­methyl­phen­yltin(IV)] chloro­form disolvate

✍ Scribed by Amini, Mostafa M. ;Azadmeher, Amirreza ;Ng, Seik Weng

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
155 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

The dinuclear title compound, [Sn~2~(CH~3~)~2~(C~6~H~5~)~2~(C~7~H~3~NO~4~)~2~(H~2~O)~2~]·2CHCl~3~, crystallizes as a dichloroform solvate; the centrosymmetric compound has Sn in a seven-coordinate, trans-pentagonal–bipyramidal geometry. The dicarboxylate unit is tetradentate; it binds through the N and the two O atoms (one from the dianion); one of the O atoms that is involved in coordination forms a bridge to the other Sn atom.

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The title yttrium(III) coordination polymer, {[Y~2~(C~7~H~3~NO~4~)~2~(C~2~O~4~)(H~2~O)~4~]·3H~2~O}~__n__~, has a pyridine-3,4-dicarboxylate (PDC) and oxalate (ox) bridged layer-type structure. The central yttrium ion exhibits a distorted dodecahedral configuration, coordinated by eight O atoms from