Journalartikel

Autorenliste: Sedykh, AE; Bissert, R; Kurth, DG; Müller-Buschbaum, K

Jahr der Veröffentlichung: 2020

Seiten: 353-363

Zeitschrift: Zeitschrift für Kristallographie. Crystalline Materials

Bandnummer: 235

Heftnummer: 8-9

ISSN: 2194-4946

eISSN: 2196-7105

DOI Link: https://doi.org/10.1515/zkri-2020-0053

Verlag: De Gruyter Brill

Abstract: 
Three salts of the common composition [EuCl2(X-tpy)(2)][EuCl4(X-tpy)]center dot nMeCN were obtained from EuCl3 center dot 6H(2)O and the respective organic ligands (X-tpy = 4'-phenyl-2,2':6',2 ''-terpyridine ptpy, 4'-(pyridin-4-yl)-2,2':6',2 ''-terpyridine 4-pytpy, and 4'-(pyridin-3-yl)-2,2':6',2 ''-terpyridine 3-pytpy). These ionic complexes are examples of salts, in which both cation and anion contain Eu3+ with the same organic ligands and chlorine atoms coordinated. As side reaction, acetonitrile transforms into acetamide resulting in the crystallization of the complex [EuCl3(ptpy)(acetamide)] (4). Salts [EuCl2(ptpy)(2)] [EuCl4(ptpy)]center dot 2.34MeCN (1), [EuCl2(4-ptpy)(2)] [EuCl4(4-ptpy)]center dot 0.11MeCN (2), and [EuCl2(3-pytpy)(2)] [EuCl4(3-ptpy)]center dot MeCN (3) crystallize in different structures (varying in space group and crystal packing) due to variation of the rear atom of the ligand to a coordinative site. Additionally, we show and compare structural variability through the dimeric complexes [Eu2Cl6(ptpy)(2)(N,N'-spacer)]-N,N'-spacer (5, 6, 7) obtained from [EuCl3(ptpy)(py)] by exchanging the end-on ligand pyridine with several bipyridines (4,4'-bipyridine bipy, 1,2-bis(4-pyridybethane bpa, and 1,2-bis(2-pyridyl)ethylene bpe). In addition, photophysical (photoluminescence) and thermal properties are presented.

Harvard-Zitierstil: Sedykh, A., Bissert, R., Kurth, D. and Müller-Buschbaum, K. (2020) Structural diversity of salts of terpyridine derivatives with europium(III) located in both, cation and anion, in comparison to molecular complexes, Zeitschrift für Kristallographie. Crystalline Materials, 235(8-9), pp. 353-363. https://doi.org/10.1515/zkri-2020-0053

APA-Zitierstil: Sedykh, A., Bissert, R., Kurth, D., & Müller-Buschbaum, K. (2020). Structural diversity of salts of terpyridine derivatives with europium(III) located in both, cation and anion, in comparison to molecular complexes. Zeitschrift für Kristallographie. Crystalline Materials. 235(8-9), 353-363. https://doi.org/10.1515/zkri-2020-0053