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Pursuing the excision of carbon-centred hexanuclear scandium clusters {CSc6} from solid {CSc6}I12Sc
Department für Chemie, Mathematisch-Naturwissenschaftliche Fakultät, Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, Köln, D-50939, Germany; Department of Chemistry, Michigan State University, 578 S, East Lansing, 48824, MI, United States.
Department für Chemie, Mathematisch-Naturwissenschaftliche Fakultät, Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, Köln, D-50939, Germany.
Department für Chemie, Mathematisch-Naturwissenschaftliche Fakultät, Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, Köln, D-50939, Germany.
Department für Chemie, Mathematisch-Naturwissenschaftliche Fakultät, Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, Köln, D-50939, Germany.
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2022 (English)In: Australian journal of chemistry (Print), ISSN 0004-9425, E-ISSN 1445-0038, Vol. 75, no 9, p. 523-531Article in journal (Refereed) Published
Abstract [en]

A multi-gram synthetic route to black solid {CSc6}I12Sc (1) was developed which comprises the reaction of scandium triiodide, ScI3, with graphite and scandium metal at 850°C. Compound 1 dissolved in N,N-dimethylacetamide (DMA) to form a red solution. Results derived from 45Sc NMR and EPR spectroscopy indicated that a scandium cluster species exists in this solution along with a complex cation [Sc(DMA)6]3+. From these solutions crystals of [Sc(DMA)6]I3 (2) and a red oily product was isolated. Compound 2 was also prepared independently by dissolving ScI3 in DMA and two polymorphs, orthorhombic 2O and monoclinic 2M were crystallised. {CSc6}I12Sc (1) also dissolved in THF yielding a red solution which contains [ScI6]3− and a scandium cluster species, as analysed by 45Sc NMR and EPR spectroscopy.

Place, publisher, year, edition, pages
CSIRO Publishing , 2022. Vol. 75, no 9, p. 523-531
Keywords [en]
45Sc NMR, cluster compounds, complexes, crystal structure, endohedral C, EPR, iodide ligands, polymorphs, Scandium, Dissolution, Electron spin resonance spectroscopy, Paramagnetic resonance, Scandium compounds, Complex, Crystals structures, Dimethylacetamide, Endohedrals, EPR spectroscopy, Iodide ligand, NMR-spectroscopy
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Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-322044DOI: 10.1071/CH21267ISI: 000759395600001Scopus ID: 2-s2.0-85126526604OAI: oai:DiVA.org:kth-322044DiVA, id: diva2:1714236
Note

QC 20221129

Available from: 2022-11-29 Created: 2022-11-29 Last updated: 2022-11-29Bibliographically approved

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Meyer, Gerd

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