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The title tetranuclear stannoxane, [Sn 4 (C 6 H 5 ) 8 (C 6 H 4 NO 3 ) 4 O 2 ]·1.5CHCl 3 ·solvent, crystallized with two independent complex molecules,  A  and  B , in the asymmetric unit together with 1.5 molecules of chloroform. There is also a region of disordered electron density, which was corrected for using the SQUEEZE routine [Spek (2015).  Acta Cryst . C 71 , 9–18]. The oxo-tin core of each complex is in a planar `ladder' arrangement and each Sn atom is fivefold SnO 3 C 2  coordinated, with one tin centre having an almost perfect square-pyramidal coordination geometry, while the other three Sn centres have distorted shapes. In the crystal, the complex molecules are arranged in layers, composed of  A  or  B  complexes, lying parallel to the  bc  plane. The complex molecules are linked by a number of C—H...O hydrogen bonds within the layers and between the layers, forming a supramolecular three-dimensional structure.

iucrdata

Bis(μ<sub>2</sub>-4-nitrophenolato)bis(4-nitrophenolato)di-μ<sub>3</sub>-oxido-octaphenyltetratin chloroform sesquisolvate [+ solvate]: a tetranuclear stannoxane

Bis(μ2-4-nitrophenolato)bis(4-nitrophenolato)di-μ3-oxido-octaphenyltetratin chloroform sesquisolvate [+ solvate]: a tetranuclear stannoxane

Bis(μ₂-4-nitrophenolato)bis(4-nitrophenolato)di-μ₃-oxido-octaphenyltetratin chloroform sesquisolvate [+ solvate]: a tetranuclear stannoxane