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On Mono(dithiocarbamato)‐silver(I), AgS 2 CNH 2
Author(s) -
Teske Christoph Ludwig,
Bensch Wolfgang
Publication year - 2015
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201500086
Subject(s) - tetragonal crystal system , crystallography , thermal decomposition , tetrahedron , chemistry , crystal structure , aqueous solution , cristobalite , structure type , decomposition , bar (unit) , stereochemistry , materials science , physics , organic chemistry , meteorology , composite material , quartz
The title compound AgS 2 CN R 2 was prepared from an aqueous alcoholic solution by reaction of dicyanoargentate [Ag(CN) 2 ] – with excess ammoniumdithiocarbamate. It crystallizes in the tetragonal space group I $\bar{4}$ 2 d (No. 122) with a = 7.9898(4) and c = 12.1072(7) Å, V = 772.89(7) Å 3 , Z = 8. The crystal structure comprises a 3D tetrahedral network of distorted AgS 4 units connected via all vertices thus forming the β‐cristobalite structure type. The dithiocarbaramate ligands extend into the hollow space of the framework. Thermal decomposition starts above 125 °C and proceeds with a complex reaction to give finally Ag 2 S (acanthite).
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