Zintlphasen mit binären Anionen: Zur Kenntnis von BaGe2P2 und BaGe2As2 / Zintl Phases with Binary Anions: BaGe2P2 and BaGe2As2
Open Access
- 1 April 1981
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 36 (4) , 415-419
- https://doi.org/10.1515/znb-1981-0403
Abstract
The new isotypic compounds BaGe2P2 and BaGe2As2 crystallize in the tetragonal system (P42mc) with the following lattice constants: BaGe2P2: a = 761.8 ± 0.5 pm, c = 850.0 ± 0.5 pm, c/a = 1.12, BaGe2As2: a = 778.6 ± 0.5 pm, c = 866.4 ± 0.5 pm, c/a = 1.11. Fourbonded Ge atoms and twobonded P (As) atoms form a three-dimensional network. The Ba atoms are located in tubelike holes.Keywords
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