Back Cover: Detection of the Elusive Highly Charged Zintl Ions Si 4  4−  and Sn 4  4−  in Liquid Ammonia by NMR Spectroscopy (Angew. Chem. Int. Ed. 16/2013) | Zendy

Neumeier Maria | Zendy; Fendt Franziska | Zendy; Gärtner Stefanie | Zendy; Koch Carina | Zendy; Gärtner Tobias | Zendy; Korber Nikolaus | Zendy; Gschwind Ruth M. | Zendy

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Back Cover: Detection of the Elusive Highly Charged Zintl Ions Si 4 4− and Sn 4 4− in Liquid Ammonia by NMR Spectroscopy (Angew. Chem. Int. Ed. 16/2013)

Author(s) -

Neumeier Maria,

Fendt Franziska,

Gärtner Stefanie,

Koch Carina,

Gärtner Tobias,

Korber Nikolaus,

Gschwind Ruth M.

Publication year - 2013

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201302288

Subject(s) - tin , chemistry , ion , nuclear magnetic resonance spectroscopy , spectroscopy , ammonia , silicon , analytical chemistry (journal) , liquid ammonia , mass spectrometry , inorganic chemistry , crystallography , stereochemistry , organic chemistry , chromatography , physics , quantum mechanics

Tetrahedral cages of tin and silicon are well‐established in solid compounds of these elements with electropositive metals, but for a long time, doubt remained as to whether the classic Zintl formulation of a complete charge transfer would lead to stable anions if extracted by solvents. In their Communication on page 4483 ff. , N. Korber, R. M. Gschwind, and co‐workers present the detection by NMR spectroscopy of Sn 4 4− and Si 4 4− dissolved in liquid ammonia.

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