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One-Pot Hydrothermal Synthesis of Tb III13(GeO 4) 6 O 7(OH) and K 2 Tb IV Ge 2 O 7: Preparation of a Stable Terbium(4+) Complex

One-Pot Hydrothermal Synthesis of Tb III13(GeO 4) 6 O 7(OH) and K 2 Tb IV Ge 2 O 7: Preparation of a Stable Terbium(4+) Complex

Kyle Fulle, Liurukara D Sanjeewa, Colin D McMillen, Yimei Wen, Apeksha C Rajamanthrilage, Jeffrey N Anker, George Chumanov, Joseph W Kolis

Inorg Chem. 2017 Jun 5;56(11):6044-6047.

PMID: 28537716

Abstract:

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.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP12037013	Terbium(III,IV) oxide		12037-01-3	Price

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