Synthesis and crystal structures of the polygermanide ammoniates K(4)Ge(9)(center dot)9NH(3), Rb(4)Ge(9)(center dot)5NH(3) and CS(6)Ge(18)(center dot)4NH(3)

Suchentrunk, Christof and Daniels, J. and Somer, M. and Carrillo-Cabrera, W. and Korber, Nikolaus (2005) Synthesis and crystal structures of the polygermanide ammoniates K(4)Ge(9)(center dot)9NH(3), Rb(4)Ge(9)(center dot)5NH(3) and CS(6)Ge(18)(center dot)4NH(3). ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 60 (3). pp. 277-283. ISSN 0932-0776, 1865-7117

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Abstract

The new compounds K4Ge9 center dot 9 NH3 and Rb4Ge9 center dot 5 NH3 were prepared by the extraction of K4Ge9 and Rb4Ge9 with liquid ammonia and characterized by low temperature X-ray structure analysis. They both contain monocapped square antiprismatic Ge-9(4-) anions. Cs6Ge18 center dot 4 NH3 was prepared by the extraction of K2Cs2Ge9 with liquid ammonia in the presence of [(Bu)(3)MeN](Br2I) as an oxidizing agent, and contains a [Ge-9-Ge-9](6-) dimer in which two Ge-9(4-) anions are linked by a single Ge-Ge bond.

Item Type: Article
Uncontrolled Keywords: ZINTL ION; Zintl anion; germanide; low-temperature crystal structure analysis; liquid ammonia; solvate crystal
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Prof. Dr. Nikolaus Korber
Depositing User: Dr. Gernot Deinzer
Date Deposited: 28 May 2021 08:12
Last Modified: 28 May 2021 08:12
URI: https://pred.uni-regensburg.de/id/eprint/36471

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