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Bis(2,4-dioxo-pentan-3-ido-κ2 O,O')dioxidomolyb-denum(VI): a redetermination
Dean H Johnston1, Calvin King1, Aileen Seitz1
1Department of Chemistry, Otterbein University, Westerville, OH 43081, USA.
Abstract:
The title compound, [Mo(C5H7O2)2O2] or cis-[MoO2(acac)2] (acac is acetyl-acetonate), contains a molybdenum(VI) atom coordinated by two acetyl-acetonate ligands and two doubly bonded oxido ligands in a distorted octa-hedral shape. The mol-ecule is chiral and the asymmetric unit contains two independent mol-ecules (one Δ, one Λ). Extensive C-H⋯O contacts are present throughout the structure. Data were collected at 100 K, providing higher precision of unit-cell parameters and atomic positions than previous determinations [Kamenar et al. (1973 ▸). Cryst. Struct. Commun. 2, 41-44.; Krasochka et al. (1975). Zh. Strukt. Khim. 16, 696-698].
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