One-Pot Hydrothermal Synthesis of TbIII13(GeO4)6O7(OH) and K2TbIVGe2O7: Preparation of
a Stable Terbium(4+) Complex
Posted on 2017-05-24 - 17:40
Two
terbium germanates have been synthesized via high-temperature and
high-pressure hydrothermal synthesis with 20 M KOH as a mineralizer
using Tb4O7 as a starting material. Tb13(GeO4)6O7(OH) crystallizes in trigonal
space group R3̅, is built up of isolated GeO4 units, and contains a complex arrangement of terbium oxide
polyhedra. K2TbGe2O7 is a terbium(4+)
pyrogermanate that is isostructural with K2ZrGe2O7 and displays a rare stable Tb4+ oxidation
state in the solid state.
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Fulle, Kyle; Sanjeewa, Liurukara. D.; McMillen, Colin D.; Wen, Yimei; Rajamanthrilage, Apeksha C.; Anker, Jeffrey N.; et al. (2017). One-Pot Hydrothermal Synthesis of TbIII13(GeO4)6O7(OH) and K2TbIVGe2O7: Preparation of
a Stable Terbium(4+) Complex. ACS Publications. Collection. https://doi.org/10.1021/acs.inorgchem.7b00821