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Aquabis(1,1,1,5,5,5-hexafluoroacetylacetonato)[4′-(4-pyridyl)-2,2′:6′,2′′-terpyridine]ytterbium(III) chloride methanol monosolvate monohydrate

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Author(s): Toru Okawara | Jiang Feng | Masaaki Abe | Yoshio Hisaeda

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 1;
Start page: m29;
Date: 2012;
Original page

ABSTRACT
The title compound, [Yb(C5HF6O2)2(C20H14N4)(H2O)]Cl·CH3OH·H2O, adopts an eight-coordinated geometry around the YbIII atom consisting of a 4′-(4-pyridyl)-2,2′:6′,2′′-terpyridine (pytpy) ligand, two 1,1,1,5,5,5-hexafluoroacetylacetonate (hfac) anions and an aqua ligand. In the solid state, the compound forms supramolecular chains running along the b-axis via intermolecular hydrogen bonds between the Yb—OH2 unit and the N-atom donor of the 4-pyridyl pendant of pytpy, with an O...N distance of 2.686 (4) Å. A chloride counter-anion and lattice methanol and water solvent molecules occupy a hydrophilic columnar space along the coordination chains. O—H...Cl hydrogen bonds occur. The two water molecules and the four trifluoromethyl groups are disordered over two sets of sites, each with different occupancy ratios.
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Tangokurs Rapperswil-Jona