Two terbium germanates have been synthesized via high-temperature and high-pressure hydrothermal synthesis with 20 M KOH as a mineralizer using TbO as a starting material. Tb(GeO)O(OH) crystallizes in trigonal space group R3̅, is built up of isolated GeO units, and contains a complex arrangement of terbium oxide polyhedra. KTbGeO is a terbium(4+) pyrogermanate that is isostructural with KZrGeO and displays a rare stable Tb oxidation state in the solid state.
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| http://dx.doi.org/10.1021/acs.inorgchem.7b00821 | DOI Listing |
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