Netzsch, Philip ORCID: 0000-0003-2537-2292, Haemmer, Matthias, Gross, Peter ORCID: 0000-0002-3139-3236, Bariss, Harijs, Block, Theresa, Heletta, Lukas, Poettgen, Rainer, Bruns, Joern, Huppertz, Hubert ORCID: 0000-0002-2098-6087 and Hoeppe, Henning A. (2019). RE2[B-2(SO4)(6)] (RE = Y, La-Nd, Sm, Eu, Tb-Lu): a silicate-analogous host structure with weak coordination behaviour. Dalton Trans., 48 (13). S. 4387 - 4398. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1477-9234

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Abstract

The rare earth borosulfates RE2[B-2(SO4)(6)] with RE = Y, La-Nd, Sm, Eu and Tb-Lu were synthesised under solvothermal conditions starting from the metal chlorides (Pr, Nd, Eu), the metal oxides (Y, La, Ce, Sm, Tb, Dy, Er, Tm, Lu), or the metal powders (Ho, Yb). They crystallize isotypically with Gd-2[B-2(SO4)(6)] in space group C2/c (Z = 4, a = 1346.9(3)-1379.24(17) pm, b = 1136.4(3)-1158.87(14) pm, c = 1079.9(3)-1139.54(14) pm, = 93.369(8)-93.611(4)degrees). The anionic structure consists of an open-branched vierer single ring {oB, 1r}[B2S2O12(SO3)(4)](6-), similar to the mineral eakerite (Ca2Al2Sn[Si6O18](OH)(2)2H(2)O) which contains {oB, 1r}[Si4O12(SiO3)(2)](12-) moieties. The fluorescence spectroscopy of the samples with RE = Ce, Eu and Tb features emissions in the deep UV, the red, and the green part of the spectrum and furthermore revealed a weak coordination behaviour of the borosulfate anion. Thermal analysis of Eu-2[B-2(SO4)(6)] showed the highest thermal stability observed for borosulfates so far; respective trends within the borosulfate family are discussed. Additionally, the compounds were characterised by magnetic measurements, vibrational and Eu-151 Mo ss bauer spectroscopy.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Netzsch, PhilipUNSPECIFIEDorcid.org/0000-0003-2537-2292UNSPECIFIED
Haemmer, MatthiasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gross, PeterUNSPECIFIEDorcid.org/0000-0002-3139-3236UNSPECIFIED
Bariss, HarijsUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Block, TheresaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Heletta, LukasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Poettgen, RainerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruns, JoernUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Huppertz, HubertUNSPECIFIEDorcid.org/0000-0002-2098-6087UNSPECIFIED
Hoeppe, Henning A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-150924
DOI: 10.1039/c9dt00445a
Journal or Publication Title: Dalton Trans.
Volume: 48
Number: 13
Page Range: S. 4387 - 4398
Date: 2019
Publisher: ROYAL SOC CHEMISTRY
Place of Publication: CAMBRIDGE
ISSN: 1477-9234
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
ELECTRONIC-ENERGY LEVELS; LANTHANIDE AQUO IONS; CRYSTAL-STRUCTURE; FIELD; PHOSPHORSMultiple languages
Chemistry, Inorganic & NuclearMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15092

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