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Journal article
Crystal structure of a Tb-III-Cu-II glycinehydroxamate 15-metallacrown-5 sulfate complex
Acta crystallographica. Section E, Crystallographic communications, v 77(12), pp 1197-1202
01 Dec 2021
PMID: 34925881
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Abstract
The core of the title complex, bis[hexaaquahemiaquapentakis(mu(3)-glycine-hydroxamato)sulfatopentacopper(II)terbium(III)] sulfate hexahydrate, [TbCu5(SO4)(GlyHA)(5)(H2O)(6.5)](2)(SO4)-6H(2)O (1), which belongs to the 15-metallacrown-5 family, consists of five glycinehydroxamate dianions (GlyHA(2): C2H4N2O2) and five copper(II) ions linked together forming a metallamacrocyclic moiety. The terbium(III) ion is connected to the centre of the metallamacrocycle through five hydroxamate oxygen atoms. The coordination environment of the Tb3+ ion is completed to an octacoordination level by oxygen atoms of a bidentate sulfate and an apically coordinated water molecule, while the copper(II) atoms are square-planar, penta- or hexacoordinate due to the apical coordination of water molecules. Continuous shape calculations indicate that the coordination polyhedron of the Tb3+ ion in 1 is best described as square antiprismatic. The positive charge of each pair of [TbCu5(GlyHA)(5)(H2O)(6.5)(SO4)](2)(2+) fragments is compensated by a non-coordinated sulfate anion, which is located on an inversion center with 1:1 disordered oxygen atoms. Complex 1 is isomorphous with the previously reported compounds [LnCu(5)(GlyHA)(5)(SO4)(H2O)(6.5)](2)(SO4), where Ln(III) = Pr, Nd, Sm, Eu, Gd, Dy and Ho.
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Details
- Title
- Crystal structure of a Tb-III-Cu-II glycinehydroxamate 15-metallacrown-5 sulfate complex
- Creators
- Anna Pavlishchuk - Taras Shevchenko National University of KyivInna V. Vasylenko - L.V. Pisarzhevskii Institute of Physical ChemistryMatthias Zeller - Purdue University West LafayetteAnthony W. Addison - Drexel University
- Publication Details
- Acta crystallographica. Section E, Crystallographic communications, v 77(12), pp 1197-1202
- Publisher
- Int Union Crystallography
- Number of pages
- 17
- Grant note
- CHE 1625543 / National Science Foundation, Division of Materials Research; National Science Foundation (NSF) 2020.02/0202 / National Research Foundation of Ukraine
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000727765000002
- Scopus ID
- 2-s2.0-85121450216
- Other Identifier
- 991019169084704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Crystallography