Journal
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS
Volume 78, Issue -, Pages 103-+Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S2056989022000676
Keywords
crystal structure; lanthanide complexes; luminescence; antenna ligands
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Funding
- National Research Foundation of Ukraine [2020.02/0202]
- Target Program of Fundamental Research `Prospective fundamental studies and innovative developments of nanomaterials and nanotechnologies for the needs of industry, health protection and agriculture', National Academy of Sciences of Ukraine [32/20-N, 32/21-N]
- NSF-MRI program [CHE-1039027]
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The title compound, [Eu(C9H10BN6)(C19H15O2)(2)(C3H7NO)] or [TpEu(Anthracac)(2)(DMF)], was synthesized and its crystal structure was analyzed. In the compound, the Eu3+ ion is located in an octavertex square-pyramidal coordination environment and connected to neighboring molecules through intermolecular van der Waals interactions.
The title compound, [Eu(C9H10BN6)(C19H15O2)(2)(C3H7NO)] or [TpEu(Anthracac)(2)(DMF)], was synthesized by reaction of a tris(pyrazolyl)borate (Tp(-)) Eu3+ complex with 3-(anthracen-9-yl)pentane-2,4-dione (HAnthracac) in the presence of triethylamine. In the title compound, Eu3+ is located in an octavertex square-pyramidal coordination environment. In the two Anthracac ligands, the anthracene and nearly planar acetylacetonate fragments are almost orthogonal. Neighboring molecules of TpEu(Anthracac)(2)(DMF) are connected in the crystal by intermolecular van der Waals interactions, while pi-stacking interactions are limited to the edges of two anthracene rings.
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