Cover Picture: Between Elemental Match and Mismatch: From K12Ge3.5Sb6 to Salts of (Ge2Sb2)2−, (Ge4Sb12)4−, and (Ge4Sb14)4− (Angew. Chem. Int. Ed. 41/2022)

First explorations of binary Ge/Sb Zintl anions indicated a situation between a “matching” one and one that tends to element segregation owing to a mismatch in atom sizes. Extraction of the ternary solid K12Ge3.5Sb6 allowed access to the so far missing P4‐like anion (Ge2Sb2)2−, as well as to species...

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Veröffentlicht in:Angewandte Chemie International Edition 2022-10, Vol.61 (41), p.n/a
Hauptverfasser: Beuthert, Katrin, Pan, Fuxing, Guggolz, Lukas, Wilson, Robert J., Hempelmann, Jan, Dronskowski, Richard, Dehnen, Stefanie
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Sprache:eng
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Zusammenfassung:First explorations of binary Ge/Sb Zintl anions indicated a situation between a “matching” one and one that tends to element segregation owing to a mismatch in atom sizes. Extraction of the ternary solid K12Ge3.5Sb6 allowed access to the so far missing P4‐like anion (Ge2Sb2)2−, as well as to species that show tendencies for spatial separation of Ge and Sb atoms, “incomplete” (Ge4Sb12)4− and “complete” (Ge4Sb14)4−, as confirmed by DFT calculations and described by Stefanie Dehnen et al. in their Research Article (e202207232).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202212564