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The title compound, [Ni(C 11 H 16 O 2 PS 2 ) 2 ], is a neutral four-coordinate mononuclear complex with a square-planar geometry. The complex lies on an inversion center. The metal atom is surrounded by two chelating isobidentate  O -propan-2-yl (4-eth­oxy­phen­yl)dithio­phospho­nate ligands in a  trans  configuration binding through the S-donor atoms. The Ni—S bond lengths are 2.2328 (5) and 2.2369 (5) Å, an insignificant difference to be considered anisobidentate. The Ni⋯P separation is 2.8224 (5) Å and the S—P bond lengths are 2.0035 (7) and 2.0053 (7) Å. The S—Ni—S (chelating) and S—Ni—S ( trans ) bond angles are 88.321 (18) and 180°. The Ni—S—P bond angles are 83.26 (2) and 83.33 (2)°, indicating a very minor distortion from ideal square-planar geometry for the Ni atom. The P atom, however, is distorted quite significantly from an ideal tetra­hedral geometry, as reflected by the S—P—S and O—P—C bond angles of 101.93 (3) and 100.70 (7)°, respectively.

Bis[O-propan-2-yl (4-ethoxyphenyl)dithiophosphonato-κ2S,S′]nickel(II)

Bis[O-propan-2-yl (4-ethoxyphenyl)dithiophosphonato-κ²S,S′]nickel(II)