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Redetermination of the crystal structure of dimethylbis[2,4-pentanedionato(1-)- j 2 O 2 , O 4 ]- tin(IV)

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dc.creatorReuter, Hans
dc.creatorReichelt, Martin
dc.date.accessioned2017-06-14T10:32:44Z
dc.date.available2017-06-14T10:32:44Z
dc.date.issued2017-06-14T10:32:44Z
dc.identifier.citationActa Crystallographica. (2017). E73, 472-475
dc.identifier.urihttps://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2017061415944-
dc.description.abstractThe redetermination of the title compound, [Sn(CH3)2(C5H7O2)2] or SnMe2(acac)2, from CCD data recorded at 100 K basically confirms the previous study based on integrated film data recorded at room temperature [Miller & Schlemper (1972). Inorg. Chem. 12, 677–681], but reveals a remarkable shrinkage of the a axis [7.12 (1) > 6.7694 (4) A ° ]. The molecule belongs to point group Ci with the SnIV atom on a centre of inversion. The SnIV atom shows a slightly distorted octahedral coordination sphere with the methyl groups in trans positions and a Sn—C bond length of 2.115 (2) A ° which may serve as a standard value for an Sn—CH3 bond of an octahedrally coordinated SnIV atom. The Sn—O bonds involving the two carbonyl groups of the acetylacetonate ligand are of equal length [2.180 (1) and 2.183 (1) A ° ], as are the C O [1.273 (1) and 1.274 (1) A ° ] and C—C bond lengths [1.393 (2) and 1.400 (2) A ° ]. The acetylacetonate ligand deviates considerably from planarity, with a dihedral angle of 5.57 (9) between the least-squares planes of the two acetone moieties. The four O atoms of the two symmetry-related acetylacetonate ligands are arranged in a nearly quadratic rectangle. Weak C—H . . . O interactions consolidate the crystal packing.eng
dc.relationhttp://journals.iucr.org/e/issues/2017/04/00/wm5370/wm5370.pdf
dc.rightsNamensnennung 4.0 International-
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/-
dc.subjectcrystal structureeng
dc.subjectredeterminationeng
dc.subjectorganotin compoundeng
dc.subjectacetylacetonateeng
dc.subject.ddc530 - Physik
dc.titleRedetermination of the crystal structure of dimethylbis[2,4-pentanedionato(1-)- j 2 O 2 , O 4 ]- tin(IV)eng
dc.typeEinzelbeitrag in einer wissenschaftlichen Zeitschrift [article]
dc.identifier.doi10.1107/S2056989017003206
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