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Use of Thio and Seleno Germanones as Ligands: Silver(I) Halide Complexes with Ge=E -> Ag-I (E = S, Se) Moieties and Chalcogen-Dependent Argentophilic Interaction

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Title Use of Thio and Seleno Germanones as Ligands: Silver(I) Halide Complexes with Ge=E -> Ag-I (E = S, Se) Moieties and Chalcogen-Dependent Argentophilic Interaction
 
Creator YADAV, D
SIWATCH, RK
MUKHERJEE, G
RAJARAMAN, G
NAGENDRAN, S
 
Subject HETEROCYCLIC CARBENE COMPLEXES
COORDINATION CHEMISTRY
METAL-COMPLEXES
AUROPHILIC INTERACTIONS
STABILIZED GERMYLENE
DOUBLE-BOND
AR=2,6-IPR(2)C(6)H(3)
GERMANIUM
AG
PHOSPHINE
 
Description The potential of thio and seleno germanones [LPhGe=E] (L = aminotroponiminate (ATI) ligand, E = S 3, Se 4) to function as ligands has been demonstrated through the isolation of their silver(I) iodide complexes [{(t-Bu)(2)ATIGe(E)-Ph)(2)(Ag2I2)] (E = S 5, Se 6) with a planar and discrete Ag2I2 core. Compounds 5 and 6 possess the hitherto unknown Ge=E -> Ag-I moieties and the crystallographic data reveals the presence of a strong argentophilic interaction (2.950(1) angstrom) in complex 6, but is inconclusive in complex 5 (3.470(1) angstrom). Using theoretical studies, proof for the presence and absence of argentophilic interactions in complexes 6 and 5 was obtained, respectively. Further, it is disclosed that the donor ability of the chalcogen atoms in the Ge=E -> Ag-I moieties dictate the Ag center dot center dot center dot Ag interaction in these complexes.
 
Publisher AMER CHEMICAL SOC
 
Date 2014-12-28T12:32:20Z
2014-12-28T12:32:20Z
2014
 
Type Article
 
Identifier INORGANIC CHEMISTRY, 53(19)10054-10059
0020-1669
1520-510X
http://dx.doi.org/10.1021/ic5008389
http://dspace.library.iitb.ac.in/jspui/handle/100/16538
 
Language English