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Electrochemical Synthesis of Ba 2 Ag 8 S 7 , a Quasi‐One‐Dimensional Barium Silver( I ) Sulfide Containing Mixed S 2− /S 2 2− Ligands
Author(s) -
Li He,
Hwu ShiouJyh
Publication year - 1999
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/(sici)1521-3773(19991018)38:20<3067::aid-anie3067>3.0.co;2-b
Subject(s) - barium , ethylenediamine , electrochemistry , decomposition , sulfide , electrode , chemistry , silver sulfide , crystallography , materials science , inorganic chemistry , organic chemistry
A stingray pattern is adopted by Ba 2 Ag 8 S 7 . Crystals of this compound were grown in a two‐electrode chemical cell from a BaS 3 /ethylenediamine solution. In the pseudo‐one‐dimensional structure columns of 1 ∞ [Ag 8 S 7 ] (shown in the picture) are stacked head‐to‐tail to create voids where the barium atoms reside. The coexistence of S 2− and S 2 2− indicates a reductive decomposition [Eq. (1)].