Aqua[1-(pyrazin-2-yl)ethanone oximato-κ2 N,N′][1-(pyrazin-2-yl)ethanone oxime-κ2 N,N′](thiocyanato-κN)nickel(II)
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چکیده
In the title complex, [Ni(C₆H₆N₃O)(NCS)(C₆H₇N₃O)(H₂O)] or [Ni(mpko)(SCN)(mpkoH)(H₂O)] [where mpkoH = 1-(pyrazin-2-yl)ethanone oxime], the Ni(II) cation is in a slightly distorted octa-hedral geometry, being coordinated in the equatorial plane by four N atoms from two different mpkoH ligands, one of which is deprotonated, and by one N atom from a thio-cyanate anion and one O atom from a water mol-ecule in the axial positions. There is an intra-molecular O-H⋯O hydrogen bond involving the oxime units of the two ligands. In the crystal, a three-dimensional supra-molecular architecture is formed by O-H⋯O and O-H⋯N hydrogen bonds.
منابع مشابه
Chlorido[1-(pyridin-2-yl)ethanone oximato-κ2 N,N′][1-(2-pyridyl)ethanone oxime-κ2 N,N′]copper(II) trihydrate
In the title compound, [Cu(C(7)H(7)N(2)O)Cl(C(7)H(8)N(2)O)]·3H(2)O, the metal ion is five-coordinated by the N atoms from the 1-(pyridin-2-yl)ethanone oximate and 1-(pyridin-2-yl)ethanone oxime ligands and by the chloride anion in a distorted square-pyramidal geometry. The distortion parameter is 0.192. The two organic ligands are linked by an intra-molecular O-H⋯O hydrogen bond. In the crystal...
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