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Bridgman Crystal Growth and Structure Refinement of YbPdGe and YbPtGe – Two Different Superstructures of the KHg~2~ Type by Kenichi Katoh; Birgit Heying; Rolf-Dieter Hoffmann; Ute Ch. Rodewald; Rainer Pöttgen is a Chemistry article available to read on EtoBox.
What is Bridgman Crystal Growth and Structure Refinement of YbPdGe and YbPtGe – Two Different Superstructures of the KHg~2~ Type about?
## Abstract Well shaped single crystals of the equiatomic germanides YbPdGe and YbPtGe were synthesized from the elements using the Bridgman technique. The samples were investigated by X‐ray powder and single crystal diffraction: YbAuSn type, __Imm__2, __a__ = 433.4(2), __b__ = 2050.6(6), __c__ = 752.6(2) pm, wR2 = 0.0723, 1551 F^2^ values, 58 variables for YbPdGe and TiNiSi type, __Pnma__, __a__ = 686.32(9), __b__ = 430.47(9), __c__ = 751.02(8) pm, wR2 = 0.0543, 379 F^2^ values, 20 variables for YbPtGe. Both germanides crystallize with different superstructure variants of the KHg~2~ type, resulting from different stacking of the puckered Pd~3~Ge~3~ and Pt~3~Ge~3~ hexagons. While only Pt–Ge interactions occur in the [PtGe] polyanionic network of YbPtGe, weak interlayer Pd–Pd (297 pm) and Ge–Ge (275 pm) interactions occur in YbPdGe. The crystal chemical peculiarities are discussed in the light of the different superstructure formed.
Who reads Bridgman Crystal Growth and Structure Refinement of YbPdGe and YbPtGe – Two Different Superstructures of the KHg~2~ Type?
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- Author
- Kenichi Katoh; Birgit Heying; Rolf-Dieter Hoffmann; Ute Ch. Rodewald; Rainer Pöttgen
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 0372-7874)
- Published
- 2008
- Language
- EN
- Field
- Chemistry (Physical Sciences)