In their recent ZAAC contribution Jan Langwald, Antonio Frontera, and Mathias S. Wickleder tackled “Wyckoff's Phantom”, an elusive orthorhombic crystal polymorph of caesium dichloroiodate (Cs[ICl₂]-II) that evaded selective isolation and verification for roughly a century.
The research group of Professor Klein hosted on Monday, Aug. 03 2026, the 9th Ligand-Design-Workshop at the University of Cologne focusing mainly on coordination chemistry of 3d and 4f metal compounds.
The study by Jan Langwald, Luisa Ebels, Marios Symeonidis, Jörn Bruns, Antonio Frontera, Mathias S. Wickleder (published in "ZAAC") reports the synthesis and characterization of two novel classes of pnictogen polysulfate compounds.
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