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Journal article
The crystal structures of {LnCu(5)}(3+) (Ln = Gd, Dy and Ho) 15-metallacrown-5 complexes and a reevaluation of the isotypic Eu-III analogue
Acta crystallographica. Section E, Crystallographic communications, v 75, p1215
01 Aug 2019
PMID: 31417795
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Abstract
Three new isotypic heteropolynuclear complexes, namely pentaaquacarbonatopentakis(glycinehydroxamato)nitratopentacopper(II)lanthanide(III) x-hydrate, [LnCu(5)(GlyHA)(5)(CO3)(NO )(H2O)(5)]center dot xH(2)O (GlyHA(2-) is glycine-hydroxamate, N-hydroxyglycinamidate or amino acetohydroxamate, C2H4N2O22-), with lanthanide(III) (Ln(III)) = gadolinium (Gd, 1, x = 3.5), dysprosium (Dy, 2, x = 3.28) and holmium (Ho, 3, x = 3.445), within a 15-metallacrown-5 class were obtained on reaction of lanthanide(III) nitrate, copper(II) acetate and sodium glycinehydroxamate. Complexes 1-3 contain five copper(II) ions and five bridging GlyHA(2-) anions, forming a [CuGlyHA](5) metallamacrocyclic core. The Ln(III) ions are coordinated to the metallamacrocycle through five O-donor hydroxamates. The electroneutrality of complexes 1-3 is achieved by a bidentate carbonate anion coordinated to the Ln(III) ion and a monodentate nitrate anion coordinated apically to one of the copper(II) ions of the metallamacrocycle. The lattice parameters of complexes 1-3 are similar to those previously reported for an Eu-III-Cu-II 15-metallacrown-5 complex with glycinehydroxamate of proposed composition [EuCu5(GlyHA)(5)(OH)(NO3)(2-)(H2O)(4)]center dot 3.5H(2)O [Stemmler et al. (1999). Inorg. Chem. 38, 2807-2817]. High-quality X-ray data obtained for 1-3 have allowed a re-evaluation of the X-ray data solution proposed earlier for the EuCu5 complex and suggest that the formula is actually [EuCu5(GlyHA)(5)(CO3)(NO3)(H2O)(5)]center dot 3.5H(2)O.
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Details
- Title
- The crystal structures of {LnCu(5)}(3+) (Ln = Gd, Dy and Ho) 15-metallacrown-5 complexes and a reevaluation of the isotypic Eu-III analogue
- Creators
- Anna Pavlishchuk - Taras Shevchenko National University of KyivDina Naumova - Taras Shevchenko National University of KyivMatthias Zeller - Purdue University West LafayetteSebastian Calderon Cazorla - Purdue University West LafayetteAnthony W. Addison - Drexel University
- Publication Details
- Acta crystallographica. Section E, Crystallographic communications, v 75, p1215
- Publisher
- Int Union Crystallography
- Number of pages
- 40
- Grant note
- 90343 / Foundation Volkswagen Stiftung Fulbright Foundation Drexel University 1625543 / National Science Foundation, Division of Chemistry; National Science Foundation (NSF)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000480512800026
- Scopus ID
- 2-s2.0-85071422020
- Other Identifier
- 991019168964104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Crystallography