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Short-Bite PNP Ligand-Supported Rare Tetranuclear [Cu4I4] Clusters: Structural and Photoluminescence Studies

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Title Short-Bite PNP Ligand-Supported Rare Tetranuclear [Cu4I4] Clusters: Structural and Photoluminescence Studies
 
Creator NAIK, S
MAGUE, JT
BALAKRISHNA, MS
 
Subject MONONUCLEAR COPPER(I) COMPLEXES
GROUP-11 METAL-COMPLEXES
COORDINATION POLYMERS
CRYSTAL-STRUCTURES
M4X4 CORE
MOLECULAR-STRUCTURE
THERMOCHROMIC-LUMINESCENCE
CATALYTIC INVESTIGATIONS
PHOTOPHYSICAL PROPERTIES
GOLD(I) COMPLEXES
 
Description The group 11 metal complexes of two short-bite PNP ligands, C6H5N{P(OC6H3(OMe-o)(C3H5-p))(2)}(2) (1) and C6H5N{P(OC6H4C3H5-o)(2)}(2) (2), are described. Ligands 1 and 2 on treatment with copper(I) halides (CuX, X = Cl, Br, or I) yielded dimeric, tetranuclear complexes of the type [(CuX)(4){C6H5N(PR2)(2)}] (R = OC6H3(OMe-o)(C3H5-p), X = Cl (3), Br (5), 1(7); R = OC6H3(C3H5-o), X = Cl (4), Br (6), I (8)). The chloro-derivative 3 adopts the common "stair-step" geometry, whereas the bromo- and iodo-derivatives form Cu-4 square planes with two tetracoordinating mu(4)-halides capping the axial positions to give octahedral geometry with two other mu(2)-halides being in the plane. The iodo-derivative 8 with a very short Cu-Cu distance of 2.568 angstrom shows photoluminescence in the solid state.
 
Publisher AMER CHEMICAL SOC
 
Date 2014-12-28T12:26:13Z
2014-12-28T12:26:13Z
2014
 
Type Article
 
Identifier INORGANIC CHEMISTRY, 53(7)3864-3873
0020-1669
1520-510X
http://dx.doi.org/10.1021/ic500240j
http://dspace.library.iitb.ac.in/jspui/handle/100/16515
 
Language English