On page 1045 (DOI: 10.1002/jcc.23560), Marc Raupach, Stefanie Dehnen, and Ralf Tonner use energy- and density-based analysis methods for a quantitative picture of chemical bonding in ternary Sn/(Sb,Bi)/Zn Zintl anions. They outline the importance of π-bonding contributions, polarized σ-bonding, and significant electrostatic effects. This leads to a quantitative description of the metal-ligand interaction in this interesting compound class and has implications on ligand design for the stabilization of Zintl cages. The cover picture is designed by Marc Raupach.
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