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The title compound [ n -Pr 2 NH 2 ] 2 [(C 2 O 4 ) 2 SnPh 2 ] ( 1 ) has been synthesized by allowing Ph 2 SnCl 2  to react with [ n -Pr 2 NH 2 ] 2 C 2 O 4 . In  1 , characterized using X-ray crystallography, the Sn atom is six-coordinated by two phenyl groups and four oxygen atoms belonging to two asymmetrically chelating oxalate ligands. The geometry is  cis  octahedral about tin. In the structure of  1 , there are two [(C 2 O 4 ) 2 SnPh 2 ] 2-  moieties differentiated by their ∠C-Sn-C angles [105.07° (15°) and 107.43° (16°)]. These similar, but distinct, anions are connected by [ n -Pr 2 NH 2 ] +  cations through N-H···O hydrogen bonds leading to two infinite alternating chains (1) and (2), which loosely assemble  via  π-π stacking between phenyl groups of adjacent molecules to generate an overall layered structure.

Crystal and molecular structure of bis(di- n -propylammonium) dioxalatodiphenylstannate, [ n -Pr 2 NH 2 ] 2 [(C 2 O 4 ) 2 SnPh 2 ]