Hydroflux syntheses and crystal structures of hydrogarnets Ba3[RE(OH)6]2(RE = Sc, Y, Ho-Lu)
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Contributors
Abstract
Colorless crystals of the barium rare earth hydrogarnets Ba3[RE(OH)6]2 (RE = Sc, Y, Ho-Lu) were synthesized under hydroflux conditions with KOH at about T = 200 °C starting from the respective RE 2O3 and Ba (NO3)2. Single-crystal X-ray diffraction analysis on these distorted rhombic dodecahedra revealed the cubic space group Ia 3 - $ {3}$ d (no. 230). The crystal structures of the hydrogarnets Ba3[RE(OH)6]2 are discussed and compared with those of other hydrogarnets. The occurrence of additional reflections, which do not fulfill the reflection conditions of Ia 3 -e;{3}$ d, is analyzed and described by Renninger or λ/2 effects. A correlation is established between the space group adopted by a hydrogarnet and characteristic interatomic distances. In addition, single-crystal structure data of the strontium indium hydrogarnet Sr3[In(OH)6]2 are provided.
Details
Original language | English |
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Pages (from-to) | 951-957 |
Number of pages | 7 |
Journal | Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences |
Volume | 75 |
Issue number | 11 |
Publication status | Published - 2020 |
Peer-reviewed | Yes |
External IDs
Scopus | 85096485545 |
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ORCID | /0000-0001-7523-9313/work/142238568 |
ORCID | /0000-0002-2391-6025/work/142250187 |