Abstract
The title compound, Ni(C5H7O2)2· (C2H5OH)2, crystallizes in the triclinic system with unit cell dimensionsa = 8·923,b = 5·283,c = 9·522 A, α = 81·4, β = 106·1 and γ = 103·3 °;Z= 1, space groupP¯1. The structure was solved by Fourier methods, and the 1557 three-dimensional counter diffraction intensity data (CuKα) were used in a least-squares refinement to a conventional unweightedR of 0·053. The nickel atom is surrounded by the four oxygen atoms of the two acetylacetone ligands and the two oxygen atoms of the ethanol molecules, forming a tetragonally-distorted octahedron with acetylacetone oxygen atoms at 1·997 and 2·026 A and ethanol oxygen atoms at 2·140 A. Parallel molecules are linked into columns along theb-axis by hydrogen bonds between the ethanol oxygen atom of one molecule and an acetylacetone oxygen atom of a neighboring molecule.
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