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Cover Picture: Na 11 Hg 52 : Complexity in a Polar Metal (Angew. Chem. Int. Ed. 13/2012)
Author(s) -
Hoch Constantin,
Simon Arndt
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201200551
Subject(s) - ionic bonding , mercury (programming language) , polar , metal , transition metal , electrolyte , inorganic chemistry , chemistry , cover (algebra) , crystallography , materials science , nanotechnology , ion , physics , organic chemistry , computer science , electrode , mechanical engineering , astronomy , engineering , programming language , catalysis
The most mercury‐rich sodium amalgam, Na 11 Hg 52 , is prepared as single crystals by the combination of electrolytic and thermochemical methods. As C. Hoch and A. Simon show in their Communication on page 3262 ff. this amalgam has a close relationship to the chloralkali process and a surprisingly complex structure for a binary compound. Such mercury‐rich amalgams serve as models of polar metals in which a transition from the classical metal–metal bonding towards ionic bonding occurs.